Product advantages:

1.Due to the inclined design of the sealing ring of the rubber flap check valve, the closing time is short and the water hammer pressure can be reduced.
2.The valve flap is made of nitrile rubber and steel plate after being pressed at high temperature. It is resistant to erosion and has good sealing performance.
3.The product structure is simple, maintenance, repair, transportation is very convenient.

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Q:When the products will be shipped ?
A:Within 7-15 days after receing the prepayment.

Q:Do you have OEM service ?
A:Yes . A variety of products size , quality and quantity can be cutomized according to your needs. 

Q:Could you offer a free sample ? 
A:Yes , samples can be proveded for free. 

Q:How can I pay for the products ? 
A: We accept a variety of payment methods. Such as T/T , L/C,D/P ,Western Union , Paypal ,Trade Assurance. 

Q: How do you deal with that if there are some quality problems in products?
A: We will be responsible for all the quality problems.

Q:Are you a facrory or trade company ?
A: We are a factory with 24 years experience in valve research and production .