Key Specifications / Features

Characteristics   

1. The butterfly valve has simple structure, light weight and convenient utilization.
2. The valve utilizes U shape stainless steel seal ring, having elasticity. The seal ring, cooperating with disc, ensure the excellent seal with the disc, under low temperature or high temperature. 
3. Three dimensional eccentricity of valve is calculated strictly. U shape seal ring has advantages of long service life and excellent seal.
4. Seal facing overlay with STL, has the advantages of wear resistance and long service life.
5. The valve has unique structure and is convenient to use.
6. Heat resistance, low temperature resistance and corrosion resistance.

Standards 

Manufacturing: GB/T12238-1989
Flange Dimensions:
GB/T9113.1-2000: GB/T9113.2-2000
GB/T9115.1-2000: GB/T9115.2-2000
Face to Face Dimension: GB/T12221-1989
Test Standards: GB/T13927-1992；JB/T9092-1999