|Media||Water ,Oil ,Low temperature steam|
D371XManual wafer butterfly valve
This valve is used as a cutoff and adjusting equipment for the various water supply and drainage pipelines in building,chemical,medicine,textile,ship,and other industries.
- Small in size and light in weight.Easy installation and maintenance.It can be mounted wherever need.
- Simple and compact construction,quick 90 degree on-off operation.
- Minimized operating torque,energy saving.
- Flow curve tending to straight line.Excellent regulation performance.
- Long service life.Standing the test of tens of thousands opening/closing operations.
- Bubbles tight sealing with no leakage under the pressure test.
- Wide selection of material applicable for various medium.
Design and manufacture standard:GB/T12238-2008,API 609
Flanged connection dimension:GB/T 9113.1,GB/T 17241.6,ANSI B16.5
Test and inspection standard:GB/T 13927,API 598
Main part materials
Valve stem-Stainless steel
Butterfly Disc-Zinc-plated ductile iron/Stainless steel
Body-Ductile iron/Cast steel/Stainless steel
Sealing material -NBR/PTFE