Butterfly valve>>Wafer type elastic metallic hard sealing butterfly valve
Wafer type elastic metallic hard sealing butterfly valve
Standard and regulation
Design and Manufacture to JB/T8527 GB/T12238
Face-to-face-dimension to GB12221
Flange Connection dimension to GB9113 JB/79
Inspection and test to GB13927 B/T9092
Applicable medium:Water,oil,gas and other causticity medium(Different raw material for different medium)
Applicable temperature:-46°C~550°C (Different raw material for different work temperature)
D3(6,9)73H-6(10)C,P,R,V Main dimensions (mm)