Pneumatic metal seated butterfly valve the sealing surface has features as wear resistance, corrosion resistance and long service life etc. End connection have wafer type and flange type, can fit to high temperature and transport corrosive or non-corrosive fluid and gas media such as oils, slurry, cinder, waste water, coal gas, natural gas and so on, mainly used in chemical smelting, power plant and water treatment field etc.
Product type |
Pneumatic Metal Seated Butterfly Valve |
Model |
D643H-16 |
Nominal diameter |
NPS 2”~NPS32”(DN50~DN800) |
Operating pressure |
1.0~4.0MPa,150Lb~600Lb |
Body Material |
Carbon Steel, Stainless Steel |
Trim material |
304,316,316L |
Seat seal material |
Stainless Steel |
Connecting end |
Wafer/ Flange |
Design standard |
GB/T 12238, API 609, JIS B2071 |
Face to face |
GB/T 12221, ASME B16.10, JIS B2002 |
End Connection |
GB/T 9113, ASME B16.5, JIS B2211 |
Inspection and test |
GB/T 26480, API 598, JIS B2003 |
Operation device |
worm gear, pneumatic,electric actuator |