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23.100.40 - Piping and couplings

ICS 23.100.40 Details

Piping and couplings

Rohre. Rohrleitungen. Kupplungen

Tuyauterie et raccords

Cevna napeljava in sklopke

General Information

Parent
23.100 - Fluid power systems

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Standardization Organization
Technical Committee
Directive
Mandate
50
ISO
ISO/TS 11686:2023(Main)
Connectors for fluid power and general use — Assembly instructions for connectors with adjustable stud ends and O-ring sealing

This document provides common installation instructions for all connectors that have adjustable stud ends and O-ring sealing. Conformance with the requirements of this document will result in a considerable reduction of leaks in hydraulic systems.

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ISO
ISO 7241:2023(Main)
Hydraulic fluid power — Dimensions and requirements of quick-action couplings

This document specifies the interface dimensions and basic performance requirements for two series of hydraulic quick-action couplings. Both series are in widespread use and have similar technological advantages: — Series A is used predominantly in Europe and is preferred worldwide for agricultural and forestry machinery. This document specifies additional requirements for Series A for use in the agricultural machinery applications given in ISO 5675. — Series B is used predominantly in North America and in the chemical industry.

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ISO
ISO 16028:2023(Main)
Hydraulic fluid power — Dimensions and requirements of quick-action couplings, flush-face type

This document specifies the interface dimensions for interchangeability and specifies the performance requirements for hydraulic quick-action couplings, flush-face type, for use at pressures of 10 MPa (100 bar) to 31,5 MPa (315 bar), depending upon the coupling size. Couplings in accordance with this document are not designed to connect or disconnect under pressure. Couplings in accordance with this document provide for automatic sealing of the fluid pressure on the upstream side and on the downstream side when the coupling is disconnected.

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SIST
SIST ISO 12151-2:2023(Main)
Connections for hydraulic fluid power and general use - Hose fittings - Part 2: Hose fittings with ISO 8434-1 24° cone connector ends with O-rings
ISO 12151-2:2022

This document specifies the general and dimensional requirements for the design and performance of hose fittings with 24° cone connector ends with O-rings according to ISO 8434‑1. These hose fittings are made of carbon steel and are intended for use with hoses with nominal inside diameters from 5 mm through 38 mm (inclusive).
NOTE For hose fittings used in hydraulic and pneumatic braking systems on road vehicles, see ISO 4038, ISO 4039‑1 and ISO 4039‑2.
These hose fittings are for use in hydraulic fluid power systems with hoses that meet the requirements of respective hose standards and in general applications with suitable hoses.

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SIST
SIST ISO 16030:2023(Main)
Pneumatic fluid power - Connections - Ports and stud ends
ISO 16030:2022

This document specifies dimensions and performance requirements for ports and stud ends with parallel threads (G series thread) for pneumatic fluid power applications.
It specifies reusable, positively retained seals for leak-free connections, for use at pressures from −0,09 MPa (−0,9 bar) up to 1,6 MPa (16 bar).
This document is applicable for threaded ports and stud ends specified in new designs in pneumatic fluid power applications.
WARNING — Ports and stud ends conforming to this document are not intended to connect with ports and stud ends that conform to ISO 1179 (all parts) or threads that conform to ISO 7-1.
As shown in Figure 1, significant differences in thread depth exists between ISO 16030 requirement and ISO 1179-1 (Δ1 and Δ2) that makes ports and stud ends conforming to ISO 7-1 unsuitable.

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CEN
EN ISO 6149-1:2022(Main)
Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 1: Ports with truncated housing for O-ring seal (ISO 6149-1:2022)
SIST EN ISO 6149-1:2022

This document specifies dimensions for metric ports for use with the adjustable and non-adjustable stud ends as described in ISO 6149‑2 and ISO 6149‑3.
Ports in accordance with this document can be used at working pressures up to 63 MPa (630 bar[1]) for non-adjustable stud ends and 40 MPa (400 bar) for adjustable stud ends. The permissible working pressure depends upon port size, materials, design, working conditions, application, etc. See ISO 6149‑2 and ISO 6149‑3 for pressure ratings.
NOTE      The Introduction of this document gives recommendations for ports and stud ends to be used for new designs in hydraulic fluid power applications.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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SIST
SIST EN ISO 1179-2:2023(Main)
Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E) (ISO 1179-2:2022)
EN ISO 1179-2:2022

This document specifies the dimensions, performance requirements and test procedures for heavyduty (S series) and light-duty (L series) stud ends with threads, and the elastomeric sealing (type E)
that is used with them as defined in ISO 228-1.
Heavy-duty (S series) stud ends with type E sealing in accordance with this document can be used
at working pressures up to 63 MPa (630 bar). Light-duty (L series) stud ends with type E sealing
in accordance with this document can be used at working pressures up to 25 MPa (250 bar). The
permissible working pressure depends upon size, materials, design, working conditions, application,
etc.
This document is applicable to connectors detailed in ISO 8434-1, ISO 8434-2 and ISO 8434-6.
NOTE The Introduction gives recommendations for ports and stud ends to be used for new designs in
hydraulic and pneumatic fluid power applications

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CEN
EN ISO 1179-2:2022(Main)
Connections for general use and fluid power - Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing - Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E) (ISO 1179-2:2022)
SIST EN ISO 1179-2:2023

This document specifies the dimensions, performance requirements and test procedures for heavy-duty (S series) and light-duty (L series) stud ends with threads, and the elastomeric sealing (type E) that is used with them as defined in ISO 228-1.
Heavy-duty (S series) stud ends with type E sealing in accordance with this document can be used at working pressures up to 63 MPa (630 bar). Light-duty (L series) stud ends with type E sealing in accordance with this document can be used at working pressures up to 25 MPa (250 bar). The permissible working pressure depends upon size, materials, design, working conditions, application, etc.
This document is applicable to connectors detailed in ISO 8434-1, ISO 8434-2 and ISO 8434-6.
NOTE      The Introduction gives recommendations for ports and stud ends to be used for new designs in hydraulic and pneumatic fluid power applications.

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ISO
ISO 1179-2:2022(Main)
Connections for general use and fluid power — Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing — Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E)

This document specifies the dimensions, performance requirements and test procedures for heavy-duty (S series) and light-duty (L series) stud ends with threads, and the elastomeric sealing (type E) that is used with them as defined in ISO 228-1. Heavy-duty (S series) stud ends with type E sealing in accordance with this document can be used at working pressures up to 63 MPa (630 bar). Light-duty (L series) stud ends with type E sealing in accordance with this document can be used at working pressures up to 25 MPa (250 bar). The permissible working pressure depends upon size, materials, design, working conditions, application, etc. This document is applicable to connectors detailed in ISO 8434-1, ISO 8434-2 and ISO 8434-6. NOTE The Introduction gives recommendations for ports and stud ends to be used for new designs in hydraulic and pneumatic fluid power applications.

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ISO
ISO 12151-2:2022(Main)
Connections for hydraulic fluid power and general use — Hose fittings — Part 2: Hose fittings with ISO 8434-1 24° cone connector ends with O-rings
SIST ISO 12151-2:2023

This document specifies the general and dimensional requirements for the design and performance of hose fittings with 24° cone connector ends with O-rings according to ISO 8434‑1. These hose fittings are made of carbon steel and are intended for use with hoses with nominal inside diameters from 5 mm through 38 mm (inclusive). NOTE For hose fittings used in hydraulic and pneumatic braking systems on road vehicles, see ISO 4038, ISO 4039‑1 and ISO 4039‑2. These hose fittings are for use in hydraulic fluid power systems with hoses that meet the requirements of respective hose standards and in general applications with suitable hoses.

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ISO
ISO 16030:2022(Main)
Pneumatic fluid power — Connections — Ports and stud ends
SIST ISO 16030:2023

This document specifies dimensions and performance requirements for ports and stud ends with parallel threads (G series thread) for pneumatic fluid power applications. It specifies reusable, positively retained seals for leak-free connections, for use at pressures from −0,09 MPa (−0,9 bar) up to 1,6 MPa (16 bar). This document is applicable for threaded ports and stud ends specified in new designs in pneumatic fluid power applications. WARNING — Ports and stud ends conforming to this document are not intended to connect with ports and stud ends that conform to ISO 1179 (all parts) or threads that conform to ISO 7-1. As shown in Figure 1, significant differences in thread depth exists between ISO 16030 requirement and ISO 1179-1 (Δ1 and Δ2) that makes ports and stud ends conforming to ISO 7-1 unsuitable.

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SIST
SIST EN ISO 6149-1:2022(Main)
Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 1: Ports with truncated housing for O-ring seal (ISO 6149-1:2022)
EN ISO 6149-1:2022

This document specifies dimensions for metric ports for use with the adjustable and non-adjustable stud ends as described in ISO 6149‑2 and ISO 6149‑3.
Ports in accordance with this document can be used at working pressures up to 63 MPa [630 bar[1]] for non-adjustable stud ends and 40 MPa (400 bar) for adjustable stud ends. The permissible working pressure depends upon port size, materials, design, working conditions, application, etc. See ISO 6149‑2 and ISO 6149‑3 for pressure ratings.
NOTE The Introduction of this document gives recommendations for ports and stud ends to be used for new designs in hydraulic fluid power applications.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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ISO
ISO 6149-1:2022(Main)
Connections for hydraulic fluid power and general use — Ports and stud ends with ISO 261 metric threads and O-ring sealing — Part 1: Ports with truncated housing for O-ring seal

This document specifies dimensions for metric ports for use with the adjustable and non-adjustable stud ends as described in ISO 6149‑2 and ISO 6149‑3. Ports in accordance with this document can be used at working pressures up to 63 MPa (630 bar[1]) for non-adjustable stud ends and 40 MPa (400 bar) for adjustable stud ends. The permissible working pressure depends upon port size, materials, design, working conditions, application, etc. See ISO 6149‑2 and ISO 6149‑3 for pressure ratings. NOTE The Introduction of this document gives recommendations for ports and stud ends to be used for new designs in hydraulic fluid power applications. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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SIST
SIST ISO 4079:2022(Main)
Rubber hoses and hose assemblies - Textile-reinforced hydraulic types for oil-based or water-based fluids - Specification
ISO 4079:2020

This document specifies requirements for five types of textile-reinforced hydraulic hoses and hose assemblies of nominal size from 5 to 100.
They are suitable for use with:
— oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +100 °C;
— water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +70 °C;
— water at temperatures ranging from 0 °C to +70 °C.
This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies.
NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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SIST
SIST ISO 12151-3:2022(Main)
Connections for hydraulic fluid power and general use - Hose fittings
ISO 12151-3:2021

This document specifies the general and dimensional requirements for the design and performance
of flange hose fittings, made of carbon steel, for nominal hose inside diameters of 12,5 mm to 76 mm
inclusive, in accordance with ISO 4397, for use with ports and clamps in accordance with ISO 6162-1
and ISO 6162-2.
Note 1 Materials other than carbon steel can be supplied as agreed between the manufacturer and user.
Note 2 For hose fittings used in hydraulic and pneumatic braking systems on road vehicles (as defined in the
scope of ISO/TC 22/SC 2, Road vehicles), see ISO 4038, ISO 4039-1 and ISO 4039-2.
These hose fittings (see Figure 1 for a typical example) are for use in hydraulic fluid power systems
with a hose that meets the requirements of the respective hose standards and in general applications
with suitable hoses.

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ISO
ISO 12151-3:2021(Main)
Connections for hydraulic fluid power and general use — Hose fittings — Part 3: Hose fittings with ISO 6162-1 or ISO 6162-2 flange ends
SIST ISO 12151-3:2022

This document specifies the general and dimensional requirements for the design and performance of flange hose fittings, made of carbon steel, for nominal hose inside diameters of 12,5 mm to 76 mm inclusive, in accordance with ISO 4397, for use with ports and clamps in accordance with ISO 6162‑1 and ISO 6162‑2. Note 1 Materials other than carbon steel can be supplied as agreed between the manufacturer and user. Note 2 For hose fittings used in hydraulic and pneumatic braking systems on road vehicles (as defined in the scope of ISO/TC 22/SC 2, Road vehicles), see ISO 4038, ISO 4039‑1 and ISO 4039‑2. These hose fittings are for use in hydraulic fluid power systems with a hose that meets the requirements of the respective hose standards and in general applications with suitable hoses.

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CEN
EN ISO 19879:2021(Main)
Metallic tube connections for fluid power and general use - Test methods for hydraulic fluid power connections (ISO 19879:2021)
SIST EN ISO 19879:2021

This document specifies uniform methods for the testing and performance evaluation of metallic tube connections, stud ends for ports and flange connections for use in hydraulic fluid power applications. This document does not apply to the testing of hydraulic quick-action couplings, which is covered by ISO 18869.
Tests outlined in this document are independent of each other and document the method to follow for each test. See the appropriate component International Standard for indications of which tests to conduct and for performance criteria.
For qualification of the connector, the minimum number of samples specified in this document is tested, unless otherwise specified in the relevant connector standard or as agreed upon by the manufacturer and the user.

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SIST
SIST ISO 4399:2021(Main)
Fluid power systems and components -- Connectors and associated components -- Nominal pressures
ISO 4399:2019

This document specifies a selection of nominal pressures for hydraulic and pneumatic fluid power connectors and associated components.
NOTE There can be a need to provide a selection of nominal pressures for connectors and associated components used in applications where the external pressure on the components is greater than the internal pressure, for example vacuum service. A document that deals with this subject will be established in due course.

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SIST
SIST ISO 14743:2021(Main)
Pneumatic fluid power -- Push-in connectors for thermoplastic tubes
ISO 14743:2020

This document specifies the general requirements and test methods for the design and performance of push-in connectors for use with thermoplastic tubes with outside diameters (OD) from 3 mm to 16 mm including dimensions in inches.
This document is intended to establish uniform methods of testing complete push-in connector assemblies as used in pneumatic fluid power applications. It is not applicable to air braking systems.

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SIST
SIST ISO 6150:2021(Main)
Pneumatic fluid power -- Cylindrical quick-action couplings for maximum working pressures of 1 MPa, 1,6 Mpa, and 2,5 MPa (10 bar, 16 bar and 25 bar) -- Plug connecting dimensions, specifications, application guidelines and testing
ISO 6150:2018

This document specifies the dimensions and tolerances so as to ensure the interchangeability of pneumatic quick-action coupling plugs. It also provides specifications and application guidelines, and specifies the tests to be applied to the plugs together with sockets.
NOTE 1 The construction and dimensions of sockets are left to the manufacturer's option.
This document applies to cylindrical quick-action couplings for maximum working pressures of 1 MPa, 1,6 MPa and 2,5 MPa (10 bar, 16 bar and 25 bar) for use in pneumatic fluid power systems.
NOTE 2 Quick-action couplings with shut-off valves for equipment for welding, cutting and related processes are covered by ISO 7289.
This document applies only to the dimensional criteria of products manufactured in accordance with this document. It does not apply to their functional characteristics.

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SIST
SIST ISO 6605:2021(Main)
Hydraulic fluid power -- Test methods for hoses and hose assemblies
ISO 6605:2017

ISO 6605:2017 specifies uniform test methods for evaluating the performance of hoses and hose assemblies (hoses and attached hose fittings) used in hydraulic fluid power systems.
Specific tests and performance criteria for evaluating hoses and hose assemblies used in hydraulic applications are in accordance with the requirements of the respective product (hoses or hose fitting) specifications.

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SIST
SIST ISO 6164:2021(Main)
Hydraulic fluid power -- Four-screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25 to 80
ISO 6164:2018

This document gives general and dimensional specifications for flanged heads, flange clamps, ports and mounting surfaces applicable to four-screw, one-piece square flange clamp type tube connectors and hose fittings for use at a pressure of 42 MPa [420 bar[1]]. It also specifies the dimensions of the seals to be used, as well as the grooves that house the seals.
These connections are intended for application in hydraulic systems on industrial and commercial products where it is desired to avoid the use of threaded connectors.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 Pa = 1 N/m2.

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SIST
SIST ISO 10763:2021(Main)
Hydraulic fluid power -- Plain-end, seamless and welded precision steel tubes -- Dimensions and nominal working pressures
ISO 10763:2020

This document specifies sizes and nominal working pressures for seamless and welded precision steel tubes with outside diameters in accordance with ISO 4397, and wall thicknesses and mechanical properties in accordance with ISO 3305. The nominal working pressures included in this document reflect a design factor ratio of 4 to 1 applied to the calculated burst pressures.

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SIST
SIST EN ISO 19879:2021(Main)
Metallic tube connections for fluid power and general use - Test methods for hydraulic fluid power connections (ISO 19879:2021)
EN ISO 19879:2021

This document specifies uniform methods for the testing and performance evaluation of metallic tube
connections, stud ends for ports and flange connections for use in hydraulic fluid power applications.
This document does not apply to the testing of hydraulic quick-action couplings, which is covered by
ISO 18869.
Tests outlined in this document are independent of each other and document the method to follow
for each test. See the appropriate component International Standard for indications of which tests to
conduct and for performance criteria.
For qualification of the connector, the minimum number of samples specified in this document is tested,
unless otherwise specified in the relevant connector standard or as agreed upon by the manufacturer
and the user.

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ISO
ISO 19879:2021(Main)
Metallic tube connections for fluid power and general use — Test methods for hydraulic fluid power connections

This document specifies uniform methods for the testing and performance evaluation of metallic tube connections, stud ends for ports and flange connections for use in hydraulic fluid power applications. This document does not apply to the testing of hydraulic quick-action couplings, which is covered by ISO 18869. Tests outlined in this document are independent of each other and document the method to follow for each test. See the appropriate component International Standard for indications of which tests to conduct and for performance criteria. For qualification of the connector, the minimum number of samples specified in this document is tested, unless otherwise specified in the relevant connector standard or as agreed upon by the manufacturer and the user.

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CEN
EN ISO 3949:2020(Main)
Plastics hoses and hose assemblies - Textile-reinforced types for hydraulic applications - Specification (ISO 3949:2020, Corrected version 2020-12)
SIST EN ISO 3949:2020

This document specifies requirements for three types of textile-reinforced thermoplastics hoses and hose assemblies of nominal size from 3,2 to 25. Each type is divided into two classes dependent on electrical conductivity requirements.
They are suitable for use with:
—     oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +93 °C;
—     water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743‑4 at temperatures ranging from 0 °C to +60 °C
—     water at temperatures ranging from 0 °C to +60 °C.
This document does not include any requirements for end fittings. It is limited to the performance of hoses and hose assemblies.
NOTE    It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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ISO
ISO 3949:2020(Main)
Plastics hoses and hose assemblies — Textile-reinforced types for hydraulic applications — Specification

This document specifies requirements for three types of textile-reinforced thermoplastics hoses and hose assemblies of nominal size from 3,2 to 25. Each type is divided into two classes dependent on electrical conductivity requirements. They are suitable for use with: — oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +93 °C; — water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743‑4 at temperatures ranging from 0 °C to +60 °C — water at temperatures ranging from 0 °C to +60 °C. This document does not include any requirements for end fittings. It is limited to the performance of hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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ISO
ISO 10763:2020(Main)
Hydraulic fluid power — Plain-end, seamless and welded precision steel tubes — Dimensions and nominal working pressures
SIST ISO 10763:2021

This document specifies sizes and nominal working pressures for seamless and welded precision steel tubes with outside diameters in accordance with ISO 4397, and wall thicknesses and mechanical properties in accordance with ISO 3305. The nominal working pressures included in this document reflect a design factor ratio of 4 to 1 applied to the calculated burst pressures.

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ISO
ISO 4079:2020(Main)
Rubber hoses and hose assemblies — Textile-reinforced hydraulic types for oil-based or water-based fluids — Specification
SIST ISO 4079:2022

This document specifies requirements for five types of textile-reinforced hydraulic hoses and hose assemblies of nominal size from 5 to 100. They are suitable for use with: — oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +100 °C; — water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +70 °C; — water at temperatures ranging from 0 °C to +70 °C. This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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SIST
SIST ISO 3862:2020(Main)
Rubber hoses and hose assemblies - Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids - Specification
ISO 3862:2020

This document specifies requirements for five types of spiral-wire-reinforced hydraulic hoses and hose assemblies of nominal size from 6,3 to 51.
They are suitable for use with:
— oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from −40 °C to +100 °C for types 4SP and 4SH hoses and from −40 °C to +120 °C for types R12, R13 and R15 hoses;
— water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from −40 °C to +70 °C;
— water at temperatures ranging from 0 °C to +70 °C.
This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies.
NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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ISO
ISO 1436:2020(Main)
Rubber hoses and hose assemblies — Wire-braid-reinforced hydraulic types for oil-based or water-based fluids — Specification

This document specifies requirements for six types of wire-braid-reinforced hoses and hose assemblies of nominal size from 5 to 51. This document also specifies the hose of nominal size 63 for types 2SN and R2AT, and the hose of nominal size 76 for type 2SN. They are suitable for use with: — oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +100 °C; — water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +70 °C; — water at temperatures ranging from 0 °C to +70 °C. This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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ISO
ISO 23309:2020(Main)
Hydraulic fluid power systems — Assembled systems — Methods of cleaning lines by flushing
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ISO
ISO 3862:2020(Main)
Rubber hoses and hose assemblies — Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids — Specification
SIST ISO 3862:2020

This document specifies requirements for five types of spiral-wire-reinforced hydraulic hoses and hose assemblies of nominal size from 6,3 to 51. They are suitable for use with: — oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from −40 °C to +100 °C for types 4SP and 4SH hoses and from −40 °C to +120 °C for types R12, R13 and R15 hoses; — water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from −40 °C to +70 °C; — water at temperatures ranging from 0 °C to +70 °C. This document does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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ISO
ISO 14743:2020(Main)
Pneumatic fluid power — Push-in connectors for thermoplastic tubes
SIST ISO 14743:2021

This document specifies the general requirements and test methods for the design and performance of push-in connectors for use with thermoplastic tubes with outside diameters (OD) from 3 mm to 16 mm including dimensions in inches. This document is intended to establish uniform methods of testing complete push-in connector assemblies as used in pneumatic fluid power applications. It is not applicable to air braking systems.

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ISO
ISO 4399:2019(Main)
Fluid power systems and components — Connectors and associated components — Nominal pressures
SIST ISO 4399:2021

This document specifies a selection of nominal pressures for hydraulic and pneumatic fluid power connectors and associated components. NOTE There can be a need to provide a selection of nominal pressures for connectors and associated components used in applications where the external pressure on the components is greater than the internal pressure, for example vacuum service. A document that deals with this subject will be established in due course.

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CEN
EN ISO 6802:2018(Main)
Rubber or plastics hoses and hose assemblies - Hydraulic impulse test with flexing (ISO 6802:2018)
SIST EN ISO 6802:2019

This document describes hose impulse testing, with flexing, of rubber or plastics hydraulic hose assemblies at both high and low impulse pressures. The high-pressure testing is carried out at pressures greater than 3 MPa and the low-pressure testing at pressures from 1,5 MPa to 3 MPa. The test procedure is applicable to hydraulic hose assemblies that are subject to pulsating pressures in service which are included in the product requirements.
NOTE       Impulse test procedures without flexing can be found in ISO 6803.

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CEN
EN ISO 8434-1:2018(Main)
Metallic tube connections for fluid power and general use - Part 1: 24° cone connectors (ISO 8434-1:2018, Corrected version 2018-10)
SIST EN ISO 8434-1:2018

This document specifies the general and dimensional requirements for 24° cone connectors using cutting ring and O‑ring seal cone (referred to as DKO) suitable for use with ferrous and non‑ferrous tubes with outside diameters from 4 mm to 42 mm inclusive. These connectors are for use in fluid power and general applications within the limits of pressure and temperature specified in this document.
They are intended for the connection of plain end tubes and hose fittings to ports in accordance with ISO 6149‑1, ISO 1179‑1 and ISO 9974‑1. (See ISO 12151‑2 for a related hose fitting specification.)
These connectors provide full-flow connections in hydraulic systems operating to the working pressures shown in Table 1. Because many factors influence the pressure at which a system performs satisfactorily, these values are not intended to be understood as guaranteed minimums. For every application, sufficient testing is meant to be conducted and reviewed by both the user and manufacturer to ensure that required performance levels are met.
NOTE 1    For new designs in hydraulic fluid power applications, see the requirements given in 9.6. Where the requirements of the application allow for the use of elastomeric seals, connector designs that conform to International Standards and incorporate elastomeric sealing are preferred.
NOTE 2    For use under conditions outside the pressure and/or temperature limits specified, see 5.4.
This document also specifies a performance and qualification test for these connectors.

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ISO
ISO 6150:2018(Main)
Pneumatic fluid power — Cylindrical quick-action couplings for maximum working pressures of 1 MPa, 1,6 MPa, and 2,5 MPa (10 bar, 16 bar and 25 bar) — Plug connecting dimensions, specifications, application guidelines and testing
SIST ISO 6150:2021

This document specifies the dimensions and tolerances so as to ensure the interchangeability of pneumatic quick-action coupling plugs. It also provides specifications and application guidelines, and specifies the tests to be applied to the plugs together with sockets. NOTE 1 The construction and dimensions of sockets are left to the manufacturer's option. This document applies to cylindrical quick-action couplings for maximum working pressures of 1 MPa, 1,6 MPa and 2,5 MPa (10 bar, 16 bar and 25 bar) for use in pneumatic fluid power systems. NOTE 2 Quick-action couplings with shut-off valves for equipment for welding, cutting and related processes are covered by ISO 7289. This document applies only to the dimensional criteria of products manufactured in accordance with this document. It does not apply to their functional characteristics.

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SIST
SIST EN ISO 8434-1:2018(Main)
Metallic tube connections for fluid power and general use - Part 1: 24° cone connectors (ISO 8434-1:2018, Corrected version 2018-10)
EN ISO 8434-1:2018

This document specifies the general and dimensional requirements for 24° cone connectors using
cutting ring and O‑ring seal cone (referred to as DKO) suitable for use with ferrous and non‑ferrous
tubes with outside diameters from 4 mm to 42 mm inclusive. These connectors are for use in fluid power
and general applications within the limits of pressure and temperature specified in this document.
They are intended for the connection of plain end tubes and hose fittings to ports in accordance with
ISO 6149-1, ISO 1179-1 and ISO 9974-1. (See ISO 12151-2 for a related hose fitting specification.)
These connectors provide full-flow connections in hydraulic systems operating to the working
pressures shown in Table 1. Because many factors influence the pressure at which a system performs
satisfactorily, these values are not intended to be understood as guaranteed minimums. For every
application, sufficient testing is meant to be conducted and reviewed by both the user and manufacturer
to ensure that required performance levels are met.
NOTE 1 For new designs in hydraulic fluid power applications, see the requirements given in 9.6. Where
the requirements of the application allow for the use of elastomeric seals, connector designs that conform to
International Standards and incorporate elastomeric sealing are preferred.
NOTE 2 For use under conditions outside the pressure and/or temperature limits specified, see 5.4.
This document also specifies a performance and qualification test for these connectors.

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ISO
ISO 8434-1:2018(Main)
Metallic tube connections for fluid power and general use — Part 1: 24° cone connectors

This document specifies the general and dimensional requirements for 24° cone connectors using cutting ring and O‑ring seal cone (referred to as DKO) suitable for use with ferrous and non‑ferrous tubes with outside diameters from 4 mm to 42 mm inclusive. These connectors are for use in fluid power and general applications within the limits of pressure and temperature specified in this document. They are intended for the connection of plain end tubes and hose fittings to ports in accordance with ISO 6149‑1, ISO 1179‑1 and ISO 9974‑1. (See ISO 12151‑2 for a related hose fitting specification.) These connectors provide full-flow connections in hydraulic systems operating to the working pressures shown in Table 1. Because many factors influence the pressure at which a system performs satisfactorily, these values are not intended to be understood as guaranteed minimums. For every application, sufficient testing is meant to be conducted and reviewed by both the user and manufacturer to ensure that required performance levels are met. NOTE 1 For new designs in hydraulic fluid power applications, see the requirements given in 9.6. Where the requirements of the application allow for the use of elastomeric seals, connector designs that conform to International Standards and incorporate elastomeric sealing are preferred. NOTE 2 For use under conditions outside the pressure and/or temperature limits specified, see 5.4. This document also specifies a performance and qualification test for these connectors.

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ISO
ISO 6164:2018(Main)
Hydraulic fluid power — Four-screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25 to 80
SIST ISO 6164:2021

This document gives general and dimensional specifications for flanged heads, flange clamps, ports and mounting surfaces applicable to four-screw, one-piece square flange clamp type tube connectors and hose fittings for use at a pressure of 42 MPa [420 bar[1]]. It also specifies the dimensions of the seals to be used, as well as the grooves that house the seals. These connections are intended for application in hydraulic systems on industrial and commercial products where it is desired to avoid the use of threaded connectors. [1] 1 bar = 0,1 MPa = 105 Pa; 1 Pa = 1 N/m2.

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ISO
ISO/TS 18409:2018(Main)
Hydraulic fluid power — Hose and hose assemblies — Method of collecting a fluid sample for analyzing the cleanliness of a hose or hose assembly

ISO/TS 18409:2018 specifies two methods for collecting a fluid sample to be used to analyse the cleanliness of hydraulic fluid power hoses or hose assemblies within a certain inside diameter and length range (this range includes the majority of hose assemblies of real fluid power applications). The two methods described in this document are intended for collecting only solid particulate contamination; they may not be appropriate for collecting contamination in liquid or grease form. ISO/TS 18409:2018 is a specific application of ISO 18413:2015, specifically Annexes A and B. The scope of ISO/TS 18409:2018 does not include providing efficient and effective cleaning methods for hose assemblies. These methods are recommended for statistical validation of other hose cleaning methods, which are more suitable for systematic processing of large production batches. Contamination analysis is excluded from the scope of this document.

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CEN
EN ISO 6149-4:2017(Main)
Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs (ISO 6149-4:2017)
SIST EN ISO 6149-4:2017

ISO 6149-4:2017 specifies dimensions and performance requirements for external hex and internal hex port plugs for use with ISO 6149‑1 ports.
Port plugs in accordance with this document can be used at working pressures up to 63 MPa (630 bar[1]). The permissible working pressure depends upon the plug end size, materials, design, working conditions, application, etc.
Conformance to the dimensional information in this document does not guarantee rated performance. Each manufacturer is expected to perform testing according to the specification contained in this document to assure that components comply with the performance ratings.
WARNING: The use of stud ends conforming to this document with ports conforming to the relevant parts of ISO 1179, ISO 9974 and ISO 11926 could lead to a hazardous situation.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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ISO
ISO 6162-2:2018(Main)
Hydraulic fluid power — Flange connections with split or one-piece flange clamps and metric or inch screws — Part 2: Flange connectors, ports and mounting surfaces for use at a pressure of 42 MPa (420 bar), DN 13 to DN 76

ISO 6162-2:2018 gives general and dimensional specifications for flanged heads, split flange clamps (FCS and FCSM), one-piece flange clamps (FC and FCM), ports and mounting surfaces applicable to four-screw, split and one-piece flange clamp type tube connectors and hose fittings for use at a pressure of 42 MPa (420 bar[1]). It also specifies the dimensions of the seals to be used, as well as the grooves that house the seals. ISO 6162-2:2018 also recognizes the need to accommodate metric screw fasteners (type 1) (for DN 13 to DN 76), as well as to provide a means to use existing inch screw fasteners (type 2) (for DN 13 to DN 51). These connections are intended for application in hydraulic systems on industrial and commercial products where it is desired to avoid the use of threaded connectors. [1] 1 bar = 0,1 MPa = 105 Pa; 1 Pa = 1 N/m2.

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ISO
ISO 23297:2017(Main)
Thermoplastic hoses and hose assemblies — Wire or synthetic yarn reinforced single-pressure types for hydraulic applications — Specification

ISO 23297:2017 specifies requirements for eight classes and two types (construction with adhesive bond between layers and construction without adhesive bond between layers) of wire or synthetic yarn reinforced hydraulic hoses and hose assemblies of nominal size from 3,2 to 31,5. Each class has a single maximum working pressure for all sizes. Such hoses are suitable for use with hydraulic fluids HH, HL, HM, HR, and HV as defined in ISO 6743‑4 at temperatures ranging from −40 °C to +100 °C for grades A and B and −40 °C to +120 °C for grades C and D. ISO 23297:2017 does not include requirements for end fittings. It is limited to the performance of hoses and hose assemblies. The hose assembly maximum working pressure is governed by the lowest maximum working pressure of the components. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish compatibility of the hose with the fluid to be used.

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ISO
ISO 11237:2017(Main)
Rubber hoses and hose assemblies — Compact wire-braid-reinforced hydraulic types for oil-based or water-based fluids — Specification

ISO 11237 specifies requirements for five types of compact, wire-braid-reinforced hose and hose assembly of nominal size from 5 to 31,5. They are suitable for use with - oil-based hydraulic fluids HH, HL, HM, HR and HV as defined in ISO 6743-4 at temperatures ranging from −40 °C to +100 °C; - water-based fluids HFC, HFAE, HFAS and HFB as defined in ISO 6743-4 at temperatures ranging from 0 °C to +60 °C; - water at temperatures ranging from 0 °C to +60 °C. ISO 11237 does not include requirements for end fittings. It is limited to requirements for hoses and hose assemblies. NOTE It is the responsibility of the user, in consultation with the hose manufacturer, to establish the compatibility of the hose with the fluid to be used.

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CEN
EN ISO 6803:2017(Main)
Rubber or plastics hoses and hose assemblies - Hydraulic-pressure impulse test without flexing (ISO 6803:2017)
SIST EN ISO 6803:2017

ISO 6803:2017 describes hose impulse testing, without flexing, of rubber or plastics hydraulic hose assemblies at both high and low impulse pressures. The high-pressure testing is carried out at pressures greater than 3 MPa and the low-pressure testing at pressures from 1,5 MPa to 3 MPa. The test procedure is applicable to hydraulic hose assemblies that are subject to pulsating pressures in service which are included in the product requirements.
NOTE          Impulse test procedures with flexing can be found in ISO 6802.

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SIST
SIST EN ISO 6149-4:2017(Main)
Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs (ISO 6149-4:2017)
EN ISO 6149-4:2017

This document specifies dimensions and performance requirements for external hex and internal hex
port plugs for use with ISO 6149-1 ports.
Port plugs in accordance with this document can be used at working pressures up to 63 MPa (630 bar1)).
The permissible working pressure depends upon the plug end size, materials, design, working
conditions, application, etc.
Conformance to the dimensional information in this document does not guarantee rated performance.
Each manufacturer is expected to perform testing according to the specification contained in this
document to assure that components comply with the performance ratings.
WARNING — The use of stud ends conforming to this document with ports conforming to the
relevant parts of ISO 1179, ISO 9974 and ISO 11926 could lead to a hazardous situation.

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ISO
ISO 6149-4:2017(Main)
Connections for fluid power and general use — Ports and stud ends with ISO 261 metric threads and O-ring sealing — Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs

ISO 6149-4:2017 specifies dimensions and performance requirements for external hex and internal hex port plugs for use with ISO 6149‑1 ports. Port plugs in accordance with this document can be used at working pressures up to 63 MPa (630 bar[1]). The permissible working pressure depends upon the plug end size, materials, design, working conditions, application, etc. Conformance to the dimensional information in this document does not guarantee rated performance. Each manufacturer is expected to perform testing according to the specification contained in this document to assure that components comply with the performance ratings. WARNING: The use of stud ends conforming to this document with ports conforming to the relevant parts of ISO 1179, ISO 9974 and ISO 11926 could lead to a hazardous situation. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

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ISO
ISO 6605:2017(Main)
Hydraulic fluid power — Test methods for hoses and hose assemblies
SIST ISO 6605:2021

ISO 6605:2017 specifies uniform test methods for evaluating the performance of hoses and hose assemblies (hoses and attached hose fittings) used in hydraulic fluid power systems. Specific tests and performance criteria for evaluating hoses and hose assemblies used in hydraulic applications are in accordance with the requirements of the respective product (hoses or hose fitting) specifications.

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