This document is applicable to dry gas sealing systems for axial, centrifugal, and rotary screw
compressors and expanders as described in ISO 10439 (all parts), ISO 10440-1 and ISO 10440-2.
Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities,
gas plants, liquefied natural gas (LNG) facilities and oil and gas production facilities. The information
provided is designed to aid in the selection of the system that is most appropriate for the risks and
circumstances involved in various installations.
This document does not apply to other types of shaft seals such as clearance seals, restrictive ring seals
or oil seals.
This document is a supplement to API Std 692, 1st edition (2018), the requirements of which are
applicable with the exceptions specified in this document.

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This document is applicable to dry gas sealing systems for axial, centrifugal, and rotary screw compressors and expanders as described in ISO 10439 (all parts), ISO 10440-1 and ISO 10440-2. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, liquefied natural gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations. This document does not apply to other types of shaft seals such as clearance seals, restrictive ring seals or oil seals. This document is a supplement to API Std 692, 1st edition (2018), the requirements of which are applicable with the exceptions specified in this document.

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This document specifies the minimum technical requirements for surface preparation, materials, application, inspection and testing of internal coating and lining systems that are intended to be applied on internal surfaces of process vessels that are subject to marked pressure/temperature changes and/or potentially corrosive conditions or processes and aggressive chemicals, used in the oil and gas industry.
This document covers both new construction and maintenance works of process vessels as well as the repair of defective and deteriorated coating and lining systems.
This document also provides the minimum requirements for the coated and lined samples and the criteria for their approval.

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This document specifies the requirements for a series of compact steel gate, globe and check valves for
petroleum and natural gas industry applications.
It is applicable to valves of:
— nominal sizes DN 8, 10, 15, 20, 25, 32, 40, 50, 65, 80 and 100,
— corresponding to nominal pipe sizes NPS ¼, ⅜, ½, ¾, 1, 1¼, 1½, 2, 2½, 3 and 4,
— pressure designations PN 16, 25, 40, 63, 100, 250 and 400, and
— pressure designations Class 150, 300, 600, 800, 1 500 and 2 500.
Class 800 is not a listed class designation, but is an intermediate Class number widely used for socket
welding and threaded end compact valves covered by this document. There is no equivalent PN
designation.
This document includes provisions for the following valve characteristics:
— outside screw with rising stems (OS & Y): in sizes 8 ≤ DN ≤ 100;
— inside screw with rising stems (ISRS): in sizes 8 ≤ DN ≤ 65 with a pressure designation PN ≤ 100 or
Class ≤ 800;
— socket welding or threaded ends: in sizes 8 ≤ DN ≤ 65;
— flanged or butt-welding ends excluding flanged end Class 800;
— bonnet joint construction that is bolted, welded or threaded with seal weld;
— bonnet joint construction that uses a union nut with a pressure designation PN ≤ 45 or Class ≤ 800;
— body seat openings;
— materials: as specified;
— testing and inspection.
This document covers valve end flanges in accordance with EN 1092-1 and ASME B16.5 and valve
body ends having tapered pipe threads in accordance with ISO 7-1 or ASME B1.20.1. It is applicable to
extended body construction in sizes 15 ≤ DN ≤ 50 with pressure designations Class 800 and Class 1 500
and to bellows and bellows assembly construction adaptable to gate or globe valves in sizes 8 ≤ DN ≤ 50.
Also covered are requirements for bellows stem seal type testing.

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This document is applicable to pressure-relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations.
This document supplements API Std 521, 6th edition (2014), the requirements of which are applicable with the exceptions specified in this document.

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This document specifies the requirements for a series of compact steel gate, globe and check valves for petroleum and natural gas industry applications. It is applicable to valves of: — nominal sizes DN 8, 10, 15, 20, 25, 32, 40, 50, 65, 80 and 100, — corresponding to nominal pipe sizes NPS Ľ, ⅜, ˝, , 1, 1Ľ, 1˝, 2, 2˝, 3 and 4, — pressure designations PN 16, 25, 40, 63, 100, 250 and 400, and — pressure designations Class 150, 300, 600, 800, 1 500 and 2 500. Class 800 is not a listed class designation, but is an intermediate Class number widely used for socket welding and threaded end compact valves covered by this document. There is no equivalent PN designation. This document includes provisions for the following valve characteristics: — outside screw with rising stems (OS & Y): in sizes 8 ≤ DN ≤ 100; — inside screw with rising stems (ISRS): in sizes 8 ≤ DN ≤ 65 with a pressure designation PN ≤ 100 or Class ≤ 800; — socket welding or threaded ends: in sizes 8 ≤ DN ≤ 65; — flanged or butt-welding ends excluding flanged end Class 800; — bonnet joint construction that is bolted, welded or threaded with seal weld; — bonnet joint construction that uses a union nut with a pressure designation PN ≤ 45 or Class ≤ 800; — body seat openings; — materials: as specified; — testing and inspection. This document covers valve end flanges in accordance with EN 1092-1 and ASME B16.5 and valve body ends having tapered pipe threads in accordance with ISO 7-1 or ASME B1.20.1. It is applicable to extended body construction in sizes 15 ≤ DN ≤ 50 with pressure designations Class 800 and Class 1 500 and to bellows and bellows assembly construction adaptable to gate or globe valves in sizes 8 ≤ DN ≤ 50. Also covered are requirements for bellows stem seal type testing.

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This document specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion and other service conditions can indicate a need for full port openings, heavy wall sections and large stem diameters. This document sets forth the requirements for the following gate valve features: — bolted bonnet; — outside screw and yoke; — rising stems; — non-rising handwheels; — single or double gate; — wedge or parallel seating; — metallic seating surfaces; — flanged or butt-welding ends. It covers valves of the nominal sizes DN: — 25; 32; 40; 50; 65; 80; 100; 150; 200; 250; 300; 350; 400; 450; 500; 600; corresponding to nominal pipe sizes NPS: — 1; 1Ľ; 1˝; 2; 2˝; 3; 4; 6; 8; 10; 12; 14; 16; 18; 20; 24; applies for pressure Class designations: — 150; 300; 600; 900; 1 500; 2 500; and applies for pressure PN designations: — 16, 25, 40, 63, 100, 160, 250 and 400.

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This document specifies requirements and gives recommendations for the mechanical design,
material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat
exchangers for the petroleum, petrochemical and natural gas industries.
This document supplements API Std 660, 9th edition (2015), the requirements of which are applicable
with the exceptions specified in this document.
This document is applicable to the following types of shell-and-tube heat exchangers: heaters,
condensers, coolers and reboilers.
This document is not applicable to vacuum-operated steam surface condensers and feed-water heaters.

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This document is applicable to pressure-relieving and vapour depressuring systems. Although intended for use primarily in oil refineries, it is also applicable to petrochemical facilities, gas plants, Liquefied Natural Gas (LNG) facilities and oil and gas production facilities. The information provided is designed to aid in the selection of the system that is most appropriate for the risks and circumstances involved in various installations. This document supplements API Std 521, 6th edition (2014), the requirements of which are applicable with the exceptions specified in this document.

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This document specifies requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat exchangers for the petroleum, petrochemical and natural gas industries.
This document supplements API Std 660, 9th edition (2015), the requirements of which are applicable with the exceptions specified in this document.
This document is applicable to the following types of shell-and-tube heat exchangers: heaters, condensers, coolers and reboilers.
This document is not applicable to vacuum-operated steam surface condensers and feed-water heaters.

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This document specifies requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat exchangers for the petroleum, petrochemical and natural gas industries. This document supplements API Std 660, 9th edition (2015), the requirements of which are applicable with the exceptions specified in this document. This document is applicable to the following types of shell-and-tube heat exchangers: heaters, condensers, coolers and reboilers. This document is not applicable to vacuum-operated steam surface condensers and feed-water heaters.

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This document specifies the minimum technical requirements for surface preparation, materials, application, inspection and testing of internal coating and lining systems that are intended to be applied on internal surfaces of process vessels that are subject to marked pressure/temperature changes and/or potentially corrosive conditions or processes and aggressive chemicals, used in the oil and gas industry. This document covers both new construction and maintenance works of process vessels as well as the repair of defective and deteriorated coating and lining systems. This document also provides the minimum requirements for the coated and lined samples and the criteria for their approval.

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ISO 19901-2:2017 contains requirements for defining the seismic design procedures and criteria for offshore structures; guidance on the requirements is included in Annex A. The requirements focus on fixed steel offshore structures and fixed concrete offshore structures. The effects of seismic events on floating structures and partially buoyant structures are briefly discussed. The site-specific assessment of jack-ups in elevated condition is only covered in ISO 19901-2:2017 to the extent that the requirements are applicable.
Only earthquake-induced ground motions are addressed in detail. Other geologically induced hazards such as liquefaction, slope instability, faults, tsunamis, mud volcanoes and shock waves are mentioned and briefly discussed.
The requirements are intended to reduce risks to persons, the environment, and assets to the lowest levels that are reasonably practicable. This intent is achieved by using:
a)   seismic design procedures which are dependent on the exposure level of the offshore structure and the expected intensity of seismic events;
b)   a two-level seismic design check in which the structure is designed to the ultimate limit state (ULS) for strength and stiffness and then checked to abnormal environmental events or the abnormal limit state (ALS) to ensure that it meets reserve strength and energy dissipation requirements.
Procedures and requirements for a site-specific probabilistic seismic hazard analysis (PSHA) are addressed for offshore structures in high seismic areas and/or with high exposure levels. However, a thorough explanation of PSHA procedures is not included.
Where a simplified design approach is allowed, worldwide offshore maps, which are included in Annex B, show the intensity of ground shaking corresponding to a return period of 1 000 years. In such cases, these maps may be used with corresponding scale factors to determine appropriate seismic actions for the design of a structure.
For design of fixed steel offshore structures, further specific requirements and recommended values of design parameters (e.g. partial action and resistance factors) are included in ISO 19902, while those for fixed concrete offshore structures are contained in ISO 19903. Seismic requirements for floating structures are contained in ISO 19904, for site-specific assessment of jack-ups and other MOUs in ISO 19905 (all parts), for arctic structures in ISO 19906 and for topsides structures in ISO 19901‑3.

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This document gives requirements and recommendations for the qualification and design, installation,
testing and inspection for the external application of composite repair systems to corroded or damaged
pipework, pipelines, tanks and vessels used in the petroleum, petrochemical and natural gas industries.

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ISO 24817:2017 gives requirements and recommendations for the qualification and design, installation, testing and inspection for the external application of composite repair systems to corroded or damaged pipework, pipelines, tanks and vessels used in the petroleum, petrochemical and natural gas industries.

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ISO 24817:2017 gives requirements and recommendations for the qualification and design, installation, testing and inspection for the external application of composite repair systems to corroded or damaged pipework, pipelines, tanks and vessels used in the petroleum, petrochemical and natural gas industries.

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This part of ISO 10439 specifies minimum requirements and gives recommendations for axial compressors,
single-shaft, and integrally geared process centrifugal compressors and expander-compressors for
special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural
gas industries. This part of ISO 10439 specifies requirements for expander-compressors, in addition to
the general requirements specified in ISO 10439-1:2015.
This scope covers only expanders and compressors on a common shaft (expander-compressor). This
scope does not apply to expanders with separate output shafts (e.g. generator drives). Hot gas expanders
over 300 °C (570 °F) are not covered in this part of ISO 10439.

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This part of ISO 10439 specifies minimum requirements and gives recommendations for axial
compressors, single-shaft and integrally geared process centrifugal compressors, and expandercompressors
for special purpose applications that handle gas or process air in the petroleum,
petrochemical, and natural gas industries. This part of ISO 10439 specifies integrally geared centrifugal
compressors in conjunction with ISO 10439‑1.
NOTE 1 See API 672 for packaged plant instrument air compressors.
NOTE 2 Expander stages are sometimes provided on these machines.

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This International Standard specifies minimum requirements and gives recommendations for axial
compressors, single-shaft, and integrally geared process centrifugal compressors, and expandercompressors
for special purpose applications that handle gas or process air in the petroleum,
petrochemical, and natural gas industries. This part of ISO 10439 specifies general requirements
applicable to all such machines.
This International Standard does not apply to fans (these are covered by API 673) or blowers that develop
less than 34 kPa (5 psi) pressure rise above atmospheric pressure. This International Standard also does
not apply to packaged, integrally geared centrifugal plant, and instrument air compressors, which are
covered by API 672. Hot gas expanders over 300 °C (570 °F) are not covered by this International Standard.
This part of ISO 10439 contains information pertinent to all equipment covered by the other parts of
ISO 10439. It shall be used in conjunction with the following parts of ISO 10439, as applicable to the
specific equipment covered:
— ISO 10439-2;
— ISO 10439-3;
— ISO 10439-4.

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This part of ISO 10439 specifies minimum requirements and gives recommendations for axial compressors,
single-shaft, and integrally geared process centrifugal compressors and expander-compressors for
special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural
gas industries. This part of ISO 10439 specifies requirements for non-integrally geared centrifugal and
axial compressors, in addition to the general requirements specified in ISO 10439-1. These machines do
not have gears integral with their casing but can have external gears.
NOTE See ISO 10439-3 for integrally geared process compressors, or API 672 for packaged plant
instrument air compressors.

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ISO 10439-4:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439‑4:2015 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439‑1:2015.

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ISO 10439-2:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-2:2015 specifies requirements for non-integrally geared centrifugal and axial compressors, in addition to the general requirements specified in ISO 10439-1. These machines do not have gears integral with their casing but can have external gears.

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ISO 10439-3:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-4:2015 specifies integrally geared centrifugal compressors in conjunction with ISO 10439‑1.

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ISO 10439 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-1:2015 specifies general requirements applicable to all such machines.
ISO 10439-1:2015 does not apply to fans (these are covered by API 673) or blowers that develop less than 34 kPa (5 psi) pressure rise above atmospheric pressure. It also does not apply to packaged, integrally geared centrifugal plant, and instrument air compressors, which are covered by API 672. Hot gas expanders over 300 °C (570 °F) are not covered by ISO 10439-1:2015.
ISO 10439-1:2015 contains information pertinent to all equipment covered by the other parts of ISO 10439. It shall be used in conjunction with the following parts of ISO 10439, as applicable to the specific equipment covered:
ISO 10439‑2;
ISO 10439‑3
ISO 10439‑4

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ISO 10439 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-1:2015 specifies general requirements applicable to all such machines. ISO 10439-1:2015 does not apply to fans (these are covered by API 673) or blowers that develop less than 34 kPa (5 psi) pressure rise above atmospheric pressure. It also does not apply to packaged, integrally geared centrifugal plant, and instrument air compressors, which are covered by API 672. Hot gas expanders over 300 °C (570 °F) are not covered by ISO 10439-1:2015. ISO 10439-1:2015 contains information pertinent to all equipment covered by the other parts of ISO 10439. It shall be used in conjunction with the following parts of ISO 10439, as applicable to the specific equipment covered: ISO 10439‑2; ISO 10439‑3 ISO 10439‑4

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ISO 10439-4:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439‑4:2015 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439‑1:2015.

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ISO 10439-2:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-2:2015 specifies requirements for non-integrally geared centrifugal and axial compressors, in addition to the general requirements specified in ISO 10439-1. These machines do not have gears integral with their casing but can have external gears.

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ISO 10439-3:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft and integrally geared process centrifugal compressors, and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439-4:2015 specifies integrally geared centrifugal compressors in conjunction with ISO 10439‑1.

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This International Standard specifies requirements and gives recommendations for the design, materials, fabrication, inspection, testing, preparation for shipment, and erection of fired heaters, air heaters (APHs), fans and burners for general refinery service. This International Standard is not intended to apply to the design of steam reformers or pyrolysis furnaces.

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ISO 13705:2012 specifies requirements and gives recommendations for the design, materials, fabrication, inspection, testing, preparation for shipment, and erection of fired heaters, air heaters, fans and burners for general refinery service.
ISO 13705:2012 is not intended to apply to the design of steam reformers or pyrolysis furnaces.

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ISO 13705:2012 specifies requirements and gives recommendations for the design, materials, fabrication, inspection, testing, preparation for shipment, and erection of fired heaters, air heaters, fans and burners for general refinery service. ISO 13705:2012 is not intended to apply to the design of steam reformers or pyrolysis furnaces.

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This International Standard specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of spiral plate heat exchangers for the petroleum, petrochemical and natural gas industries. It is applicable to stand-alone spiral plate heat exchangers and those integral with a pressure vessel.

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This International Standard specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of hairpin heat exchangers for use in the petroleum, petrochemical and natural gas industries. Hairpin heat exchangers include double-pipe and multi-tube type heat exchangers.

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ISO 12211:2012 specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of spiral plate heat exchangers for the petroleum, petrochemical and natural gas industries.
ISO 12211:2012 is applicable to stand‑alone spiral plate heat exchangers and those integral with a pressure vessel.

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ISO 12212:2012 specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of hairpin heat exchangers for use in the petroleum, petrochemical and natural gas industries.
Hairpin heat exchangers include double-pipe and multi-tube type heat exchangers.

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ISO 12212:2012 specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of hairpin heat exchangers for use in the petroleum, petrochemical and natural gas industries. Hairpin heat exchangers include double-pipe and multi-tube type heat exchangers.

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ISO 12211:2012 specifies requirements and gives recommendations for the mechanical design, materials selection, fabrication, inspection, testing and preparation for shipment of spiral plate heat exchangers for the petroleum, petrochemical and natural gas industries. ISO 12211:2012 is applicable to stand‑alone spiral plate heat exchangers and those integral with a pressure vessel.

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ISO 13706:2011 gives requirements and recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of air-cooled heat exchangers for use in the petroleum, petrochemical and natural gas industries.
ISO 13706:2011 is applicable to air-cooled heat exchangers with horizontal bundles, but the basic concepts can also be applied to other configurations.

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ISO 13706:2011 gives requirements and recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of air-cooled heat exchangers for use in the petroleum, petrochemical and natural gas industries.
ISO 13706:2011 is applicable to air-cooled heat exchangers with horizontal bundles, but the basic concepts can also be applied to other configurations.

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ISO 13706:2011 gives requirements and recommendations for the design, materials, fabrication, inspection, testing and preparation for shipment of air-cooled heat exchangers for use in the petroleum, petrochemical and natural gas industries. ISO 13706:2011 is applicable to air-cooled heat exchangers with horizontal bundles, but the basic concepts can also be applied to other configurations.

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This International Standard specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services. This International Standard is applicable to overhung pumps, between-bearings pumps and vertically suspended pumps (see Table 1). Clause 9 provides requirements applicable to specific types of pump. All other clauses of this International Standard are applicable to all pump types. Illustrations are provided of the various specific pump types and the designations assigned to each specific type. Relevant industry operating experience suggests pumps produced to this International Standard are cost effective when pumping liquids at conditions exceeding any one of the following: . discharge pressure (gauge) 1 900 kPa (275 psi; 19,0 bar) . suction pressure (gauge) 500 kPa (75 psi; 5,0 bar) . pumping temperature 150 °C (300 °F) . rotative speed 3 600 r/min . rated total head 120 m (400 ft) . impeller diameter, overhung pumps 330 mm (13 in)

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ISO 13709:2009 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services.
ISO 13709:2009 is applicable to overhung pumps, between-bearings pumps and vertically-suspended pumps

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ISO 13709:2009 specifies requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, petrochemical and gas industry process services. ISO 13709:2009 is applicable to overhung pumps, between-bearings pumps and vertically-suspended pumps

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This International Standard specifies the requirements and gives recommendations for the procedures and design criteria used for calculating the required wall thickness of new tubes and associated component fittings for petroleum-refinery heaters. These procedures are appropriate for designing tubes for service in both corrosive and non-corrosive applications. These procedures have been developed specifically for the design of refinery and related process-fired heater tubes (direct-fired, heat-absorbing tubes within enclosures). These procedures are not intended to be used for the design of external piping. This International Standard does not give recommendations for tube retirement thickness; Annex A describes a technique for estimating the life remaining for a heater tube.

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This International Standard specifies requirements and provides guidance for the selection, design, specification, operation and maintenance of flares and related combustion and mechanical components used in pressure-relieving and vapour-depressurizing systems for petroleum, petrochemical and natural gas industries. Although this International Standard is primarily intended for new flares and related equipment, it is also possible to use it to evaluate existing flare facilities. Annexes A, B and C provide further guidance and best practices for the selection, specification and mechanical details for flares and on the design, operation and maintenance of flare combustion and related equipment. Annex D explains how to use the data sheets provided in Annex E; it is intended that these data sheets be used to communicate and record design information.

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This International Standard specifies the requirements for couplings for the transmission of power between the rotating shafts of two machines in special-purpose applications in the petroleum, petrochemical and natural gas industries. Such applications are typically in large and/or high speed machines, in services that can be required to operate continuously for extended periods, are often unspared and are critical to the continued operation of the installation. By agreement, it can be used for other applications or services. Couplings covered by this International Standard are designed to accommodate parallel (or lateral) offset, angular misalignment and axial displacement of the shafts without imposing unacceptable mechanical loading on the coupled machines. It is applicable to gear, metallic flexible element, quill shaft and torsionally resilient type couplings. Torsional damping and resilient type couplings are detailed in Annex A; gear-type couplings are detailed in Annex B and quill shaft style couplings are detailed in Annex C. This International Standard covers the design, materials of construction, manufacturing quality, inspection and testing of special-purpose couplings.

  • Standard
    64 pages
    English language
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