ANSI Swing Check Valve

Size range : 2”-24”
Class : 150LB -2500LB
Temperature : ≤425℃
Materials:WCB,WC6,WC9,C5,C12,CF8,CF8M,CF3M,SS321,904L etc.

Technical specification
●Design Standard: BS1873,ASME B16.34,API 6D
●Face To Face: ANSI B16.10
●Flange ends: ANSI B16.5
●Test & Inspection: API 598

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Product Details

Inquiry

The features of check valve
Bolted Bonnet;Swing and lift disc;Metallic seating surfaces.
Body and Bonnet Connection

The body and bonnet of Class150~Class900 check valves are usually with studs and nuts.And the body and bonnet of Class1500~Class2500 check valves are usually of pressurized seal design

Body-To-Bonnet Joint

Stainless steel + flesible graphite wounded gasket is used for Class 150 and Class 300 check valve;Stainless steel + flexible graphite wounded gasket is used for Class 600 check valve,and joint gasket is also optional for Class 600 check valve;Ring joint gasket is used for Class900 check valve;Pressurized seal design is used for Class 1500~Class 2500 check valves.
Seat
For crbon steel check valve,the seat is usually forged steel.The sealing surface of the seat is spray welded with hard alloy
specified by the customer.Renewable threaded seat is used for NPS<10 check valves ,and welded on seat can be also optional if being requested by the customer.Welded on seat is used for NPS>12 crbon steel gate valves .Forstainless steel check valve,integral seat is usually adopted ,or to weld hard alloy directly integrally.Threaded or welded on seat is also optional for stainless steel check valve if being requested by the customer.

If you have any enquiry about quotation or cooperation,please feel free to email us at info@weke-valves.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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