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UL 125 - UL STANDARD FOR SAFETY FLOW CONTROL VALVES FOR ANHYDROUS AMMONIA AND LP-GAS - NINTH EDITION; REPRINT WITH REVISIONS THROUGH AND INCLUDING FEBRUARY 18, 2015 Organization: UL
Date: 2014-03-19
Description: Requirements for these valves are contained in the Standard for Cylinder Valves, UL 1769 These requirements do not cover safety relief valves. Requirements for these valves are contained in the Standard for Safety Relief Valves for Anhydrous Ammonia and LP Gas, UL 132.
DS/EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION Organization: DS
Date: 2013-10-23
Description: NOTE The term "refrigerating system" used in this European Standard includes heat pumps. 1.2 This European Standard describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure. 1.3 This European Standard specifies the requirements for selection of pressure relief devices to prevent excessive pressure due to internal and external heat sources, the sources of increasing pressure (e.g. compressor, heaters, etc.) and thermal expansion of trapped liquid. 1.4 This European Standard describes the calculation of the pressure loss in the upstream and downstream line of pressure relief valves and other pressure relief devices and includes the necessary data. 1.5 This European Standard refers to other relevant standards in Clause 5.
DIN EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION Organization: DIN
Date: 2013-12-01
Description: This European Standard describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure.
DS/EN ISO 4126-5 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) Organization: DS
Date: 2013-07-25
Description: This part of this European Standard specifies the requirements for Controlled Safety Pressure Relief Systems irrespective of the fluid for which they are designed. It is applicable for main valves having a flow diameter of 6 mm and above which are for use at pressures of 0,1 bar gauge and above.
DSF/EN ISO 4126-5/FPRA1 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) Organization: DS
Description: This part of this European Standard specifies the requirements for Controlled Safety Pressure Relief Systems irrespective of the fluid for which they are designed. It is applicable for main valves having a flow diameter of 6 mm and above which are for use at pressures of 0,1 bar gauge and above.
CEN - EN ISO 4126-5 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS Organization: CEN
Date: 2013-07-01
Description: This part of ISO 4126 specifies the requirements for controlled safety pressure relief systems (CSPRS) irrespective of the fluid for which they are designed. It is applicable for main valves having a flow diameter of 4 mm and above which are for use at pressures of 1,1 bar gauge and above.
SNV - SN EN ISO 4126-5 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) Organization: SNV
Date: 2013-10-01
Description: This part of ISO 4126 specifies the requirements for controlled safety pressure relief systems (CSPRS) irrespective of the fluid for which they are designed. It is applicable for main valves having a flow diameter of 4 mm and above which are for use at pressures of 0,1 bar gauge and above.
CEN - EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION Organization: CEN
Date: 2013-10-01
Description: This European Standard describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure.
NBN - EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION Organization: NBN
Date: 2013-12-19
Description: 1.2 This European Standard describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure.
NBN - EN 13136 - REFRIGERATING SYSTEMS AND HEAT PUMPS - PRESSURE RELIEF DEVICES AND THEIR ASSOCIATED PIPING - METHODS FOR CALCULATION Organization: NBN
Date: 2013-12-19
Description: 1.2 This European Standard describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure.
SAE J747 - CONTROL VALVE TEST PROCEDURE, STANDARD Organization: SAE
Date: 1990-05-01
Description: 1.1 Purpose--To provide a uniform procedure for measuring and reporting the operating characteristics of a hydraulic directional control valve and associated relief valve when so equipped.
NBN - EN ISO 4126-5 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) (ISO 4126-5:2013) Organization: NBN
Date: 2013-09-20
Description: This part of this European Standard specifies the requirements for Controlled Safety Pressure Relief Systems irrespective of the fluid for which they are designed.It is applicable for main valves having a flow diameter of 6 mm and above which are for use at pressures of 0,1 bar gauge and above.
(NFPA) - NFPA T3.5.1 - HYDRAULIC FLUID POWER – VALVES – MOUNTING SURFACES - THIRD EDITION Organization: (NFPA)
Date: 2002-02-14
Description: 1.1 This standard includes mounting surfaces for the following: - non-return (check) valves; - compensated flow control valves; - directional control valves; - pilot operated non-return (check) valves; - pressure control valves; - pressure relief valves; - sequence valves; - throttle valves; and - unloading valves.
UL 1769 - UL STANDARD FOR SAFETY CYLINDER VALVES - FIFTH EDITION; REPRINT WITH REVISIONS THROUGH AND INCLUDING APRIL 27, 2016 Organization: UL
Date: 2015-06-25
Description: Gas-line shut-off valves, other shutoff valves used on ASME containers, filler valves, excess flow check valves, for use with liquefied petroleum gases or anhydrous ammonia are covered by the requirements in the Standard for Flow Control Valves for Anhydrous Ammonia and LP-Gas, UL 125.
DS/EN ISO 4126-5/A1 - SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE – PART 5: CONTROLLED SAFETY PRESSURE RELIEF SYSTEMS (CSPRS) – AMENDMENT 1 (ISO 4126-5:2013/AMD 1:2016) Organization: DS
Date: 2016-07-05
Description: This part of this European Standard specifies the requirements for Controlled Safety Pressure Relief Systems irrespective of the fluid for which they are designed. It is applicable for main valves having a flow diameter of 6 mm and above which are for use at pressures of 0,1 bar gauge and above.
IGEM - GM/PRS/28 - MEDIUM PRESSURE SINGLE-STAGE REGULATORS FOR GAS FLOW RATES NOT EXCEEDING 6 M3 H-1 Organization: IGEM
Date: 2016-09-01
Description: Note 2: Requirements for two-stage MP meter regulators for gas flow rates not exceeding 6 m3 h-1 are given in IGEM/GM/PRS/29 Regulators to this Specification incorporate a single stage pressure regulating device with integral relief valve and an overpressure slam-shut device that meet the requirements of Appendix 6.
IGEM - IGE/GM/PRS/29 - MEDIUM PRESSURE TWO-STAGE METER REGULATORS FOR GAS FLOW RATES NOT EXCEEDING 6 M3 H-1 Organization: IGEM
Date: 2016-09-01
Description: Regulators to this specification incorporate a two-stage pressure regulating device with integral relief valve that meets the requirements of Appendix 6 (hereinafter called regulators).
CSA HGV 4.7 - AUTOMATIC VALVES FOR USE IN GASEOUS HYDROGEN VEHICLE FUELING STATIONS - FIRST EDITION Organization: CSA
Date: 2013-03-01
Description: This standard applies to newly manufactured a) Pneumatically actuated valves b) Check valves c) Excess Flow valves d) Electrically actuated valves  This standard does not apply to: a) Hydraulically actuated valves b) Pressure regulating valves c) Pressure relief valves; or d) Fueling nozzle valves as covered by the Standards for Compressed Hydrogen Surface Vehicle Refueling Connection Device, SAE J2600, or ISO 17268  A valve that complies with the requirements for a Class A valve may be used for a Class B valve application, however, a Class B valve may not be substituted for a Class A valve.
UL 1358 OUTLINE - UL OUTLINE OF INVESTIGATION FOR COMPRESSED GAS CHECK VALVES AND HOSE COUPLERS - ISSUE 3 Organization: UL
Date: 2015-04-03
Description: Check valves for use with liquefied petroleum gas in applications covered by NFPA 58 or anhydrous ammonia applications covered by ANSI K61.1 are covered by the requirements in the Standard for Valves for Anhydrous Ammonia and LP-Gas (Other Than Safety Relief), UL 125. These requirements do not apply to check valves for compressed gases for use in refrigerated storage systems.
ISO 6953-3 - PNEUMATIC FLUID POWER - COMPRESSED AIR PRESSURE REGULATORS AND FILTER-REGULATORS - PART 3: ALTERNATIVE TEST METHODS FOR MEASURING THE FLOW-RATE CHARACTERISTICS OF PRESSURE REGULATORS - FIRST EDITION Organization: ISO
Date: 2012-08-01
Description: This part of ISO 6953 is applicable only to the decreasing flow rate part of the hysteresis curve of forward flow and relief flow characteristics.

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