Bolted Cover BW Swing Check Valve (H44H)
Swing check valves are the most common type check valve for general-purpose use. They get lowest pressure drop, when compared with other types check valves, besides, with simple structure and easy to maintain. All parts related to open and close are installed in the valve internals and do not penetrate out the body except the sealing gasket and ring which placed at the middle position, thus there are no leakage points and avoid the leaking greatly.
Full Open Non-return Valve
it is an automatic valve when it is automatically opened or closed by the force generated by the medium flowing within the pipeline.
Its major function is to prevent the backflow of the medium in the pipeline,
reverse rotation of the pump and its driving motor, and discharge of the medium in the container.
Main Parameter Specification
Body structure in forged steel body, cast steel body, cast iron body
Sealing: Soft/Resilient Seated, Metal to metal seat
Design and Manufacture:Cast Steel Check Valve to BS 1868,ASME B16.34,API 6D
Inspection and Test:API598,API600 or API 6D
End Flange Dimension:ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series,MSS SP-44(for NPS>24)
BW end Dimension:ASME B16.25
Face to Face and End to End:ASME B16.10
Pressure-temperature ratings:ASME B16.34
Wall Thickness Dimension:API 600,BS 1868
Soft in NBR or EPDM Rubber Encapsulated Disc, Metal Seated in 13%Cr, STL, F304, F316, Brass/Bronze
Body material: carbon steel, stainless steel, alloy steel,bronze
End Connection: RF,RTJ, BW
Pressure range: Class150~2500(PN16~PN420)
Features in Full Port, Reduced Port
Bolted Cover, Screwed Cover, Welded Cover, Pressure Sealed Cover optional
Main Parts & Materials
|1||Body||CI/D.I/A105/F304/F316/CS A216 WCB/CF8/CF8M|
|2||Disc||CI/D.I+BRASS/BRONZE/DI+NBR/A105, A216 WCB+13%Cr./STL|
|3||Nut||Carbon Steel/Stainless Steel|
|5||Seat||C,DI+Brass/Bronze/A105, A216 WCB+13%Cr./STL|
|6||Pin||A276 410/Stainless Steel|
|7||Fork Pare||A216 WCB/Stainless Steel|
|9||Cover||CI/D.I/A105/F304/F316/CS A216 WCB/CF8/CF8M|
|11||Bolt/Nut||Carbon Steel/Stainless Steel|
Q: Are you trading company or manufacturer ?
A: We are a professional valve factory Located In Wenzhou,China.
Q: What's Execution Standard of products?
A: ISO,ANSI,AWWA,API,DIN,BS,JIS,EN,GOST,AS standard.
Q: How long is your delivery time?
A: Generally it is 15 days if the goods are in stock. It is 25-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, Welcome sample order to test and check the quality of products. The sample amount is less than $100, the product cost is free, and the customer needs to pay the express delivery fee. If the sample amount is higher than $100, and the sample cost and express delivery fee need to be negotiated by both parties.
Q: What is your terms of payment ?
A: 30% T/T in advance ,70% balance before shipment or see copy of bill of lading.
Q: Can you OEM or ODM?
A:Yes, we have a strong research & development team. The products can be made according to your request.
Q: Can you provide the relevant documentation and certificate?
A:Yes, We can provide the international certificates and relevant chemical analysis, mechanical properties, pressure test reports according to the customers need.
Q: What is your terms of delivery?
A: We accept EXW,FOB,CIF etc.
8. How to deal with after sales ?
A: warranty time : 18months from the shipment ; and we will be responsible for all the quality problems. We will provide process guidance services, replacement parts, on-site guidance and maintenance services. (both parties shall negotiate the relevant expenses)