|Place of Origin:||Ningbo China|
|Minimum Order Quantity:||1 pcs|
|Packaging Details:||According to customers' requirements|
|Delivery Time:||25 days|
|Payment Terms:||T/T, L/C|
|Supply Ability:||80,000 pcs per month|
|Type::||Slient Check Valve||Material:||Cast Iron/Ductile Iron|
|Production Process:||Casting||Application:||Water Supply Or Water Drainage|
Noise Elimination Valve Body Casting Flanged Silent Check Valve for Water Pump System
Silent Check Valve is mainly assembled by valve body, valve seat, flow guider, valve disc, bearings, and springs, etc. parts. Silent type check valve is widely used in the program system of water supply and drainage, fire service, heating and ventilation, etc.
It can be installed at the place of outlet of water pump to avoid reverse flow or the damage to the pump by the water hammer.
Advanced dynamic design of single body with diffuser provides streamline flow and assures lower head loss.
Minimize the head loss to 0.016Bar upon 2M/ sec flow rate.
Brass or reinforced bearing reduce wearing problem during operation.
Hydrodynamic design ensures non slamming and water hammerless.
Stainless steel spring hidden in the diffuser under protection while valve in operation.
Disc will positively close before reverse flow, and maximize the closing speed up to 0.2 Sec.
Comply with EN 558-1, ISO 5752 and EN 1092-2, ISO 7005-2 flange dimension.
We are a global manufacturer and supplier of valves offering Pipe, Iron valve, Steel valve and Brass valve. Our products are durable, solid and reliable with a competitive price.
Valve body and Outlet cap
Gray cast iron HT200, Ductile iron QT400-18, Cast steel WCB
Platen above and below disc
Gray cast iron HT200, Ductile iron QT400-18, Cast steel WCB, Carbon steel Q235-A
Spring steel, Stainless steel
Q: Why are your price competitive?
A: We own factories with group company background. We do as follows:
First, purchase the casting from competitive and quality reliable casting companies to reduce the material cost.
Second, produce and assemble the products with modern equipment to reduce the labor cost.
Third, cooperating with experienced shipping companies to control the freight cost.
Q: How to control the quality?
A: Before purchasing the casting, we ask for some samples to test. Then make sampling survey again when all the castings come. If qualified, we start the production. spray painting, relative managers are responsible for all the progress like material testing, shot blasting, first processing, second processing, assembling, product testing. They should supervise the quality and acknowledge the responsibilities for signature.
Q: How is your packing?
A: our valves are packed in exporting standard, suitable for both ocean shipment and air shipment. Our warehousing and logistics department has standard warehouse. Every product will be fully packaged in professional to avoid rub and damage.
Q: What’s your after sales service?
A: The unexpected is hard to avoid. We always try our best to help our clients solve problems. Solution will be sent to you as soon as possible.