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Wafer Dual Plate Pipe Check Valve,
Double Disc Door Wafer Check Valve,
DN150 EPDM Wafer Check Valve
Double Disc Door Wafer Type Dual Plate Pipe Check Valve DN150, PN16 EPDM Seat
Design According to AP1594
Face to face according to DIN3202.
Pressure & Temperature Rating according to DIN2526
Test & inspection According to EN12266
The wafer type check valve is a universal one-way fluid valve. The utility model has the advantages of light weight, small volume and easy to be installed between the flanges. The inside of the valve is composed of two semicircular springs and a plate surface, and is fixed on the valve body by a pin, and the spring is deformed to close the valve plate, and the fluid pressure causes the spring to open. The deformation is fast, which protects the pipe from water hammer damage.
When the flow rate is slowed, the torsion spring automatically reacts, causing the valve flap to close, approaching the valve body seat, reducing the travel distance and time of the closing stroke. When the fluid flows back, the valve flap gradually approaches the valve seat of the valve body, and the dynamic response of the valve is greatly accelerated. This dramatically reduces the effects of the water hammer phenomenon, resulting in non-impact performance.
When closed, the action of the spring force causes the tip of the flap to close first. This prevents the occurrence of biting at the root of the flap, allowing the valve to maintain a more uniform seal for a longer period of time.
Packing Details: We choose suitable wood cases according to different valves and arrange skilled workers to pack in case of bruise. Long term cooperated forwarder will book space, clear customs and transport for us without delay. There are three ways for transportation, by sea, by air and by train. We will arrange transportation according to customers' needs.
Delivery Details: according to the order, 7~35days
Q: Are you trading company or manufacturer ?
A: We are a factory.
Q: How long is your delivery time?
A: According to the order,7~60days.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Contact Person: jin