Bundor non return valve sizes for air size 150nb ss non return valve for water oil gas

The wafer check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.

According to customer requirements, we can provide different materials, pressure and sizes

Featutes

1.Small in size,light in weight,compact in structure,easy in maintenance.
2.Two torsion springs are used excerting on each of the pair valve plates.Which close the plates quickly and automatically.
3.The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.
4.This valve is short in length,so that it is rigid and easy to mount.
5.It is easy to install on pipeline which is laid horizontally or vertically.
6.This valve is tightly sealed without leakage under the pressure water test.
7.Safe and reliable in operation,high interference-resistance.

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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 .