This document specifies two methods of measuring the level of acoustic pressure at the outlet of an exhaust silencer: — the first method, called "steady-state mode", is intended to evaluate the noise level under steady state flow, i.e. constant upstream pressure (steady-state test according to ISO 6358‑1); and — the second method, called "discharge", is intended to measure the noise level during the decrease of the pneumatic pressure (discharge test according to ISO 6358‑2). This document is applicable to pneumatic exhaust silencers and devices designed to reduce the sound produced by discharges of compressed air, entering in the scope of application of ISO 6358‑1 and ISO 6358‑2.

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This document specifies the types and selection of hydraulic ports of gas-loaded accumulators with separator, which are used in hydraulic fluid power systems.

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This document specifies tests, procedures and a method of presenting the results concerning the parameters that define the main characteristics to be included in the supplier's literature of lubricators conforming to ISO 6301‑1. This document can be applied: — to facilitate the comparison of lubricators by standardizing test methods and presentation of test data; — to assist in the proper application of lubricators in compressed-air systems. The tests specified are intended to allow comparison between the different types of lubricators; they are not production tests to be carried out on each lubricator manufactured.

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ISO 6301-1 specifies which characteristics of compressed-air lubricators are to be included in the supplier's literature. It also specifies product-marking requirements for lubricators. ISO 6301-1 is applicable to compressed-air lubricators constructed from light alloys (e.g. aluminium), zinc die-cast alloys, brass, steel and plastic, with a maximum rated pressure of 1 600 kPa (16 bar ) or less and a maximum rated temperature of 80 °C or less.

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1.1 This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see 1.2). 1.2 This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators: - bladder type; - diaphragm type; - piston type; - transfer type; - gas bottles used to provide additional gas capacity. They consist of one or several parts joined together by a variety of mechanical means and by welding. 1.3 This European Standard applies to gas-loaded accumulators which operate with the following conditions: - subject to an internal gauge pressure greater than 0,5 bar; - working temperature of not lower than -50 °C and not higher than +200 °C; - containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC. It does not apply to: - accumulators for use with dangerous fluids (see NOTE 1). NOTE 1 Fluid power applications utilize non-dangerous fluids as categorized in ISO 6743-4 in addition to an inert gas (e.g. nitrogen) which is used as the pre-charging medium. NOTE 2 There are no design limits to the volume of the accumulator.

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1.1   This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety equipment configuration and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and pressure vessels used to provide additional gas capacity for fluid power applications (see 1.2).
1.2   This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators:
-   bladder type;
-   diaphragm type;
-   piston type;
-   transfer type;
-   pressure vessels used to provide additional gas capacity.
They consist of one or several parts joined together by a variety of mechanical means and by welding.
1.3   This European Standard applies to gas-loaded accumulators which operate with the following conditions:
-   subject to an internal gauge pressure greater than 0,5 bar;
-   working temperature not lower than -50 °C and not higher than +200 °C;
-   containing all liquids and gases as defined in the Pressure Equipment Directive 2014/68/EU,
see Note.
NOTE   When the accumulator contains Group 1 liquids or gases, consideration relating to risks other than those required by Pressure Equipment Directive 2014/68/EU are not covered by this European Standard and must be assessed separately.

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This part of ISO 10771 specifies a method of fatigue testing the pressure-containing envelopes of
components used in hydraulic fluid power systems under sustained steady cyclic internal pressure loads.
This part of ISO 10771 is only applicable to component pressure-containing envelopes that
— are manufactured from metals,
— are operated at temperatures that exclude creep and low-temperature embrittlement,
— are only subjected to pressure-induced stresses,
— are not subjected to loss of strength due to corrosion or other chemical action, and
— might include gaskets, seals, and other non-metallic components; however, these are not considered
part of the pressure-containing envelope being tested (see 5.7).
This part of ISO 10771 does not apply to piping as defined in ISO 4413 (i.e. connectors, hose, tubing,
pipe). See ISO 6803 and ISO 6605 for methods of fatigue testing of piping devices.
This part of ISO 10771 establishes a general test method that is applicable for many hydraulic fluid
power components, but additional requirements or more specific methods that can be required for
particular components are contained in the annexes or other standards.
Test pressure is to be determined by the user. See ISO/TR 10771-2 for a possible rating method.

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ISO 10771-1:2015 specifies a method of fatigue testing the pressure-containing envelopes of components used in hydraulic fluid power systems under sustained steady cyclic internal pressure loads. This part of ISO 10771 is only applicable to component pressure-containing envelopes that - are manufactured from metals, - are operated at temperatures that exclude creep and low-temperature embrittlement, - are only subjected to pressure-induced stresses, - are not subjected to loss of strength due to corrosion or other chemical action, and - might include gaskets, seals, and other non-metallic components; however, these are not considered part of the pressure-containing envelope being tested (see 5.7). ISO 10771-1:2015 does not apply to piping as defined in ISO 4413 (i.e. connectors, hose, tubing, pipe). See ISO 6803 and ISO 6605 for methods of fatigue testing of piping devices. ISO 10771-1:2015 establishes a general test method that is applicable for many hydraulic fluid power components, but additional requirements or more specific methods that can be required for particular components are contained in the annexes or other standards. Test pressure is to be determined by the user. See ISO/TR 10771‑2 for a possible rating method.

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Cancels and replaces the second edition (1985). Specifies the following characteristics and requirements for a general purpose three-pin electrical plug connector with earth contact for use with a single solenoid: the electrical characteristics of the connector; the dimensions of the pins and earth contact; the means for fixing the socket to the plug; the sealing procedure between the plug and the socket; usage requirements. The electrical plug connector specified herein is intended to be used under working conditions where the connector cannot be damaged by external action.

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ISO/TR 10771-2:2008 specifies a test method for fatigue rating of the pressure-containing envelopes of components used in hydraulic fluid power systems, as tested under steady internal cyclic pressure loads in accordance with ISO 10771-1.

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This International Standard specifies the following characteristics and requirements for a general-purpose,
electrical-plug connector with two or three contacts plus earth, for use with solenoids:
_ the electrical characteristics of the connector;
_ the dimensions of the contacts;
_ the means of fixing the plug to the socket;
_ the sealing procedure between the plug and the socket;
_ usage requirements.
The electrical-plug connector specified in this International Standard is intended to be used under working
conditions such that the connector cannot be damaged by external action (for example, shock or excessive
loading).

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This International Standard specifies the following characteristics and requirements for a general-purpose, electrical-plug connector with two or three contacts plus earth, for use with solenoids: _ the electrical characteristics of the connector; _ the dimensions of the contacts; _ the means of fixing the plug to the socket; _ the sealing procedure between the plug and the socket; _ usage requirements. The electrical-plug connector specified in this International Standard is intended to be used under working conditions such that the connector cannot be damaged by external action (for example, shock or excessive loading).

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Cancels and replaces the first edition (1989). Specifies the following characteristics and requirements for a general purpose two-pin electrical plug connector with earth contact for use with a single solenoid: the electrical characteristics of the connector; the dimensions of the pins and earth contact; the means for fixing the socket to the plug; the sealing procedure between the plug and the socket; usage requirements. The electrical plug connector specified herein is intended to be used under working conditions where the connector cannot be damaged by external action.

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Specifies a method, and establishes a means for ensuring that the accuracy of particulate contamination analyses in hydraulic systems is not degraded by a lack of sample container cleanliness. Gives definitions and tabulates the inspection ratios together with the AQQL values of concern.

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Cancels and replaces the second edition (1985). Specifies the following characteristics and requirements for a general purpose three-pin electrical plug connector with earth contact for use with a single solenoid: the electrical characteristics of the connector; the dimensions of the pins and earth contact; the means for fixing the socket to the plug; the sealing procedure between the plug and the socket; usage requirements. The electrical plug connector specified herein is intended to be used under working conditions where the connector cannot be damaged by external action.

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Cancels and replaces the first edition (1989). Specifies the following characteristics and requirements for a general purpose two-pin electrical plug connector with earth contact for use with a single solenoid: the electrical characteristics of the connector; the dimensions of the pins and earth contact; the means for fixing the socket to the plug; the sealing procedure between the plug and the socket; usage requirements. The electrical plug connector specified herein is intended to be used under working conditions where the connector cannot be damaged by external action.

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Specifies methods for measuring sealing devices having more than one seal in the set. Specifies methods for measuring stack height in order to determine that the sets are to an acceptable dimensional standard. Does not specify the dimensions for packing sets or their components. Describes three acceptable methods, and figure 1 shows a typical measuring device for the methods 1 and 2, the figures 3 and 4 show a typical setup for the methods 2 and 3, and figure 2 shows a typical device for the method 2.

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Specifies a method, and establishes a means for ensuring that the accuracy of particulate contamination analyses in hydraulic systems is not degraded by a lack of sample container cleanliness. Gives definitions and tabulates the inspection ratios together with the AQQL values of concern.

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This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see 1.2).
1.2   This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators:
-   bladder type;
-   diaphragm type;
-   piston type;
-   transfer type;
-   gas bottles used to provide additional gas capacity.
They consist of one or several parts joined together by a variety of mechanical means and by welding.
1.3   This European Standard applies to gas-loaded accumulators which operate with the following conditions:
-   subject to an internal gauge pressure greater than 0,5 bar;
-   working temperature of not lower than 50 °C and not higher than +200 °C;
-   containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC.
It does not apply to:
-   accumulators for use with dangerous fluids (see NOTE 1).
NOTE 1   Fluid power applications utilize non-dangerous fluids as categorized in ISO 6743-4 in addition to an inert gas (e.g. nitrogen) which is used as the pre-charging medium.
NOTE 2   There are no design limits to the volume of the accumulator.

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This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see 1.2).
1.2   This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators:
-   bladder type;
-   diaphragm type;
-   piston type;
-   transfer type;
-   gas bottles used to provide additional gas capacity.
They consist of one or several parts joined together by a variety of mechanical means and by welding.
1.3   This European Standard applies to gas-loaded accumulators which operate with the following conditions:
-   subject to an internal gauge pressure greater than 0,5 bar;
-   working temperature of not lower than 50 °C and not higher than +200 °C;
-   containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC.
It does not apply to:
-   accumulators for use with dangerous fluids (see NOTE 1).
NOTE 1   Fluid power applications utilize non-dangerous fluids as categorized in ISO 6743-4 in addition to an inert gas (e.g. nitrogen) which is used as the pre-charging medium.
NOTE 2   There are no design limits to the volume of the accumulator.

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This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see This European Standard applies to the following types of components, defined as the pressurecontaining envelope of gas-loaded accumulators: - bladder type; - diaphragm type; - piston type; - transfer type; - gas bottles used to provide additional gas capacity. They consist of one or several parts joined together by a variety of mechanical means and by welding. This European Standard applies to gas-loaded accumulators which operate with the following conditions: - subject to an internal gauge pressure greater than 0,5 bar; - working temperature of not lower than -50 °C and not higher than +200 °C; - containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC.

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1.1 This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see 1.2).
1.2   This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators:
-   bladder type;
-   diaphragm type;
-   piston type;
-   transfer type;
-   gas bottles used to provide additional gas capacity.
They consist of one or several parts joined together by a variety of mechanical means and by welding.
1.3   This European Standard applies to gas-loaded accumulators which operate with the following conditions:
-   subject to an internal gauge pressure greater than 0,5 bar;
-   working temperature of not lower than -50 °C and not higher than +200 °C;
-   containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC.
It does not apply to:
-   accumulators for use with dangerous fluids (see NOTE 1).
NOTE 1   Fluid power applications utilize non-dangerous fluids as categorized in ISO 6743-4 in addition to an inert gas (e.g. nitrogen) which is used as the pre-charging medium.
NOTE 2   There are no design limits to the volume of the accumulator.

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ISO 10771 specifies a method of fatigue testing the pressure-containing envelopes of components used in hydraulic fluid power systems under sustained steady cyclic internal pressure loads.
ISO 10771 is only applicable to component pressure-containing envelopes that are manufactured from metals, are operated at temperatures that exclude creep and low-temperature embrittlement, are only subjected to pressure-induced stresses, are not subjected to loss of strength due to corrosion or other chemical action and may include gaskets, seals and other non-metallic components; however, these are not considered part of the pressure-containing envelope being tested.

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Specifies the types and the dimensions of the gas filling ports of gas-loaded accumulators used in hydraulic fluid power systems. Describes two male ports for filling the gas side of a gas-loaded accumulator. These ports are designated by the following: male port with M 16 × 2 thread in accordance with ISO 261 and ISO 724, which is preferred for new designs; male port with 8V1 thread in accordance with ISO 4570-1.

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1.1   This European Standard specifies the requirements for materials, design, manufacture, testing inspection, safety systems and documentation (including instructions for first operation), for commonly-used types of gas-loaded accumulators and gas bottles for fluid power applications (see 1.2).
1.2   This European Standard applies to the following types of components, defined as the pressure-containing envelope of gas-loaded accumulators:
   bladder type;
   diaphragm type;
   piston type;
   transfer type;
   gas bottles used to provide additional gas capacity.
They consist of one or several parts joined together by a variety of mechanical means and by welding.
1.3   This European Standard applies to gas-loaded accumulators which operate with the following conditions:
   subject to an internal gauge pressure greater than 0,5 bar;
   working temperature of not lower than –50 °C and not higher than +200 °C;
   containing Group 2 liquids and gases as defined in the Pressure Equipment Directive 97/23/EC.
It does not apply to:
   accumulators for use with dangerous fluids (see NOTE 1).
NOTE 1   Fluid power applications utilize non-dangerous fluids as categorized in ISO 6743-4 in addition to an inert gas (e.g. nitrogen) which is used as the pre-charging medium.
NOTE 2   There are no design limits to the volume of the accumulator.

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ISO 6301-1:2009 specifies which characteristics of compressed-air lubricators are to be included in the supplier's literature. ISO 6301-1:2009 also specifies product-marking requirements for lubricators.

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This part of ISO 6301:2006 specifies tests, procedures and a method of presenting the results concerning the parameters that define the main characteristics to be included in the supplier's literature of lubricators conforming to ISO 6301-1. This part of ISO 6301:2006 can be applied to facilitate the comparison of lubricators by standardizing test methods and presentation of test data; to assist in the proper application of lubricators in compressed air systems. The tests specified are intended to allow comparison between the different types of lubricators; they are not production tests to be carried out on each lubricator manufactured.

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ISO 10771 specifies a method of fatigue testing the pressure-containing envelopes of components used in hydraulic fluid power systems under sustained steady cyclic internal pressure loads. ISO 10771 is only applicable to component pressure-containing envelopes that are manufactured from metals, are operated at temperatures that exclude creep and low-temperature embrittlement, are only subjected to pressure-induced stresses, are not subjected to loss of strength due to corrosion or other chemical action and may include gaskets, seals and other non-metallic components; however, these are not considered part of the pressure-containing envelope being tested.

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Specifies the types and the dimensions of the gas filling ports of gas-loaded accumulators used in hydraulic fluid power systems. Describes two male ports for filling the gas side of a gas-loaded accumulator. These ports are designated by the following: male port with M 16 × 2 thread in accordance with ISO 261 and ISO 724, which is preferred for new designs; male port with 8V1 thread in accordance with ISO 4570-1.

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