pressure relief valve components

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Pressure Relief Valve components

Since 2006, WHM has been committed to the production of pressure relief valve parts. In many years of cooperation with overseas partners, WHM accumulated rich experience and obtained a deep understanding of international standards. The pressure relief valves and components we manufacture meet ASME VIII Boiler & Pressure Vessel Code. Besides WHM is proficient in manufacturing, design, test and inspection of pressure relief valves components based on ASME requirements. On the other hand, with the extensive connections with domestic factories, we are able to find favorable price products and control quality for overseas customers.

The following are the pressure relief valve parts we have produced. If you have specific requirements, please contact us via E-mail info@whmcn.com or call us at +86-21-6892 4569.

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Rupture pin valve body and cover - High pressure relief valve

Material:Carbon Steel–ASTM A105/316SS - Forging
Pressure 2,000psi~6,000psi

 1. Rupture pin valve body and cover - High pressure relief valve

Safety relief valve (SRV) - Body

Safety relief valve (SRV) - Body

Rupture pin valve stem

Material: Stainless Steel 316 ASTM A479 316 and 17-4PH ASTM A564 Type 630 H900

Pressure relief valve (PRV) - Adjust screw

Material: Copper Alloy / Stainless Steel / Carbon Steel Zinc Plated

Pressure relief valve (PRV) – Adjust Ring

Material: Copper Alloy / Stainless Steel​

Pressure relief valve (PRV) - Seat frame

Material: Carbon Steel Zinc Plated / Stainless Steel

Pressure relief valve (PRV) - Disc & stem

Material: Stainless Steel 316 ASTM A479 316 and 17-4PH ASTM A564 Type 630 H900

Pressure relief valve (PRV) - Valve cage

Investment Casting
Material: Stainless Steel CF8M ASTM A351

Pressure relief valve (PRV) - Valve cap / thread protector

Material: Carbon Steel WCC / WCB ASME SA216 / Zinc Plated

Pressure relief valve (PRV) - Valve seat

Material:Stainless Steel 316 ASTM A479 and 17-4PH ASTM A564 Type 630 H900

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