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Boiler Equipment Pressure Safety Relief Valve (A48Y-250mm)

Boiler Equipment Pressure Safety Relief Valve (A48Y-250mm)
Price: US $ 380-1084/Piece
Trade Terms: FOB,CFR,CIF
Min Order: 1/Piece
Pay Type: L/C,T/T
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 




1.Products:




2.The Factory Show:



3.Recently Exhibitons Show:

The OTC exhibition ( May, 2015 Houston)

The Valve World Expo ( Sep. 2014,German)

The MIOG exhibition ( May, 2014, Russia)

The OTC exhibition ( May, 2015, US)

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.

Prod Model: A48Y
Markets: North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Connection End: Flanged
Structure: Angle
Zhejiang Number One Valve Co., Ltd(ONEV) has been for 15 years in Valve manufacture, design, sales and service. The company covers an area of 18000 square meters.

The main products of ONEV are Ball valve, Gate valve, Globe valve, Check valve, Plug valve, Butterfly valve, etc., API, ANSI, BS, DIN, NF, JIS, JPI, GB, JB. Standard.

ONEV has been accredited to CE, API, ISO 9001: 2000, international qualified certificates. Has set up the perfect quality control and guarantee system to ensure excellent quality and best service.

ONEV for years experience and service, in Chinese industry line and important projects of oil refining, gas pipelines, petroleum, electric power, pharmaceuticals etc. Meantime, our products make a broad market in more than twenty countries over the world, distributed in Europe and United States, South American, Middle East, Southeast Asia, Africa, and have enjoyed good reputation and trust. We will try our best to supply superior quality products, satisfied after-sale service and technical supports to customers.

ONEV always persist in the idea of "All for customer satisfaction" to become bigger and stronger for country valve construction. We warmly welcome all the partners come to co-operate with us and make a brilliant future.

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  • Zhejiang Number One Valve Co., Ltd.

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