Henan liwei pipeline equipment co.,ltd.

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1. flexible rubber joint

our liwei brand flexible rubber joint have various heavy calibers,types and high quality in the country .the products series have won four patent and our company is named "quality and credit unit"by henan province. our products have ...

2. rubber straight pipe air duct joint

this product takes advantages of high flexible and high air impermeability and medium resistance of rubber as well as comlipance and heat resistance of glass fabric and is prepard at both ends with metal apool and flange inconnection with wind ...

3. metal loosing expansion joint

the product is manufactured through welding or metal casting,and the loosing part is sealed by echelon ring rubber . oprate by gland and bolt and based on the principle of rubber's elastic seal will be done betwween joint body and expansion ...

4. flange rubber slowly--closing check valve

advantage :1 ,open and close automatically in secrity and reliability according to hydraulic difference without noise and in no need of operator and maintenance .
2,positive start has little water resistance and start --up presure ...

5. flexible rubber joint

henan liwei pipe equipment co.,ltd.founded 1988,which a manufacturer specializing in processing various steam,water,wind pipe expansion and compensation joints ,and a main base for producing ruber,metal and non--metallic pipe joint.