Flange Resilient Seated Butterfly Valve

1. SPECIFICATIONS
Pressure class: PN 6 to 16 bar
Size: DN100-4000 (NPS 4”-160”)
Other sizes on request
Temperature range: -10℃～+120℃
End connections: Flanged, BW
Drive mode: worm-gear, electric, pneumatic
tested according to API 598

2. MATERIALS

Body : Cast iron, Carbon, Alloy and Stainless steels etc.

Other materials are available upon request

 
3. THE INSTALLATION FOR BUTTERFLY VALVE
 1. Centering and flanging of butterfly valve 

2. Calibration of flange gaskets 

3. Calibration of flange bolts 

http://www.freetvalves.com/