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ISA TR75.25.02 - CONTROL VALVE RESPONSE MEASUREMENT FROM STEP INPUTS Organization: ISA
Date: 2000-01-01
Description: It does not address control valves used in on-off control service. The "control valve" in the context of this document includes the following components: Valve: A valve is a device used for the control of fluid flow.
UL 1477 OUTLINE - UL OUTLINE OF INVESTIGATION FOR COMPRESSED GAS SHUTOFF VALVES - ISSUE 4 Organization: UL
Date: 2014-07-25
Description: Metering type valves are used in piping and equipment systems where complete shutoff is not required. Shut-off valves of the type commonly referred to as ²cylinder valves² used on containers constructed under Department of Transportation (DOT) or Transport Canada (TC) Specifications are covered by the requirements in the Standard for Cylinder Valves, UL 1769.
DS/EN 60534-9 - INDUSTRIAL-PROCESS CONTROL VALVES -- PART 9: TEST PROCEDURE FOR RESPONSE MEASUREMENTS FROM STEP INPUTS Organization: DS
Date: 2007-11-26
Description: The information using the defined test methods is specifically applicable to closed-loop feedback control but may have some application to open-loop control applications. It does not address valves used in on-off control service.Tests specified in this standard may not be sufficient to measure the performance required for all applications.
BSI - BS EN 60534-9 - INDUSTRIAL-PROCESS CONTROL VALVES - PART 9: TEST PROCEDURE FOR RESPONSE MEASUREMENTS FROM STEP INPUTS - CORR: APRIL 30, 2009 Organization: BSI
Date: 2007-11-30
Description: The information using the defined test methods is specifically applicable to closed-loop feedback control but may have some application to open-loop control applications. It does not address valves used in on-off control service. Tests specified in this standard may not be sufficient to measure the performance required for all applications.
IIAR - STANDARD 4 - INSTALLATION OF CLOSED-CIRCUIT AMMONIA REFRIGERATION SYSTEMS Organization: IIAR
Date: 2015-01-01
Description: This new ANSI/IIAR standard specifies criteria for materials, design parameters, marking and testing of valves and strainers for ammonia refrigeration valves. The standard applies to shut-off valves, control valves, and strainers designed and manufactured for use in closed circuit refrigerating systems where ammonia is used as the refrigerant.
UL 2227 - UL STANDARD FOR SAFETY OVERFILLING PREVENTION DEVICES - SECOND EDITION; REPRINT WITH REVISIONS THROUGH AND INCLUDING JUNE 6, 2014 Organization: UL
Date: 2007-02-16
Description: Overfilling prevention devices covered by these requirements are for use in applications covered by the following standards: a) Liquefied Petroleum Gas Code, NFPA No. 58. b) Outdoor Cooking Gas Appliances, ANSI Z21.58/CGA 1.6-M95. c) Standard on Recreational Vehicles, RVIA A119.2.

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