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Home > Products > Pressure Safety Valve > Steam Safety Valve > Union Joint Threaded Pressure Safety Relief Valve (A21H-3/4")

Union Joint Threaded Pressure Safety Relief Valve (A21H-3/4")

Basic Info

Model No.:  A21

Product Description

Model NO.: A21 Structure: Angle Trademark: ONEV Origin: Zhejiang, Cn Connection: Thread Connection End: Screwed Specification: ANSI HS Code: 84814000 High Performance Bellows Balanced type Pressure Relief Valve

Application:
A pressure relief valve (PRV) is a safety device that relieves overpressure in a vessel or system. When the pressure of vessel or system increased beyond the specified design pressure or maximum allowable working pressure, PRV will be opened automaticly to relief the overpressure for proteding the vessel or system. The PRV will be closed if the pressure reached specified design pressure so that to ensure the normal operation and protect the vessel or system.



Our Pressure Relief Valve has been designed and manuractured according to following Standard:
ISO 4123-1 Safety Devices for Portection Against Excessve Pressure
API STD 526 Flanged Steel Pressure Relief Valves
API STD 527 Seat Tightness of Pressure Relief Valves
ASME Boiler and Pressure Vessel Code Section VIII Division 1, Rules for Construction of Pressure Vessels




Recently Exhibitons Show:




The Valve World Expo ( Sep. 2012,German)

The OTC exhibition ( May, 2013 Houston)

The Valve Word Expo ( Sep. 2013, China)



Size
1/2" - 20"  (10mm - 500mm)
Pressure Class150 - 2500  (0.06 mpa- 42.0 mpa)
Temperature -196  ~ +580 degc.
Material Alloy steel, Carbon steel
Design Standard ASME, API, JIS, DIN, GOST, ISO..et.

Contact us if you need more details on BSP Screawed Relief Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Screwed Safety Valve、Screwed Psv. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Pressure Safety Valve > Steam Safety Valve

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