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One Side Thread Connection Relief Valve (A21H-25)
Basic Info
Model No.: A21H
Product Description
Model NO.: A21H Structure: Angle Specification: ANSI HS Code: 84814000 Connection End: Screwed Trademark: ONEV Origin: Zhejiang, Cn 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)
Contact us if you need more details on Sw Relief Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Sw Safety Valve、Thread Psv. If these products fail to match your need, please contact us and we would like to provide relevant information.
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 Sw Relief Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Sw Safety Valve、Thread 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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