1.Brief Description: 

1).Size:DN50-DN1000

2).Temperature:-20℃~+85℃

3).Medium:water,oil,steam

4).Meterials:Rubber

2 Advantage

1).Open and Close automatically according to water pressure difference,Safe and reliable,no noise,no personnel operation,no maintenance.

2).Positive open water resistance is small,Small startup pressure,flow according to the natural water pressure to adjust.

3).Reverse non-return seal,no leakage,prevents the backflow,back pressure,the greater the effect the more better.

4).Anticorrosion,ageing resistance,deformation,Strong adaptability,long service life.

3.Application

1).The product performance excellence,wide selection;

2).Choose the sewage system;

3).Choose to discharge system;

4).Choose in dike emissions;

5).Choose in the airport,highway drainage

6).Choose from sewage discharge;

7).Choose to discharge aewage pool.

Shipping:20 days after order confirmed.

Packaging:Plywood case.    

1.Good quality and low price. 
2.Good after-sale service.
3.Bring the finest goods to customer is our ultimate goal.
4.Products are exported to various countries.