• Products Standards:
Valve Design to GB 12238-1989 ;
Valve Test to GB/T13927-1992, API598 ;
Face to face GB/T12221-1989 ;
Flange drilled is according to GB4216, GB12380, EN1092-2.
Valve Name
Flanged Concentric Butterfly Valve
Nominal Diameter
DN50 ~ DN1400
Nominal Pressure
PN10, PN16
Suitable Mediums
Water, sewage, sea water, air, foodstuff, oil etc.
Working Temperature
-10°C ~ 120°C
• Material of Main Parts:
Name
Material
Body
Cast Iron, Ductile Iron
Stem
Stainless steel
Disc
Ductile Iron, AL-bronze, Stainless steel
Seat
Rubber
• Features:
Disc has two-way bearing and excellent sealing property.
Valve body has rubber seat and longer service life.
Can be used in pipe end evacuation.
Strong wash and brush resistance, fit to bad working condition and environment.
Central plate shape structure, small start and stop torque.
Can be used in cutting off and regulating medium.
With many kinds of materials, applicable to different medium.