◆Purpose

Butterfly Check Valve is designed applicable for water supply network of high storied building, for chemically corrosive medium line network with confined installation space as well as for sewerage pipeline system.

◆Feature

1、Small volume, light weight, tight structure and easy maintenance.

2、Disc can automatic shut by the elastic power of spring.

3、Prevent the medium flow backwards by the fast shut function.

4、Small size of dimension in body. Good rigidity.

5、safety and convenient, can uprightness level install at two direction. 

◆Standard

1、Connect flange：JB/T79

2、Dimension：GB/T12221

 ◆Property