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manual butterfly valve
the diameter is DN50-DN2200
the pressure is PN6-PN16
Ordering instruction
1. medium temperature
2. the ball valve body material the seat material
3. the nominal diameter DN
4. the nominal pressure PN
5. the valve turn off pressure difference
6. the flange connection standard and the sealing surface type
7. actuator type and function way
8. accessory function (proof rating and level of explosion-proof )
manual metal butterfly valve
zhejiang weiguang pump&valve manufacture co.ltd
valve, discharge, pneumatic, regulating, lining, fluorine
