DN150 Cast Iron Butterfly Valve
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DN150 cast iron butterfly valve
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Worm Gear Drive Butterfly Valve/flange Butterfly Valve
| Item | Name of the Component | Function |
| 1 | Driving Device Flange | Available with handles, gear operators, electric or pneumatic actuators. |
| 2 | Body | Available in wafer and full lug style |
| 3 | Bushing | Reduce driving torque, support stem, seperated with body, reduce wear of stem. |
| 4 | Side seal | Without flange gasket |
| 5 | Strong pression key | Applicable to handle and other control device installation. |
| 6 | O-ring | Primary and secondary stem seal |
| 7 | Taper pin | Precision taper pins connect stem with disc, ensure positive vibration proof, easily field. |
| 8 | Integral stem design | ensures the dependsable and positive disc control. |
| 9 | Disc | High precision disc external profile, reach the requirement of bubble-tight, small start and stop torque, longer usage life of seat. |
Worm Gear Drive Butterfly Valve/flange Butterfly Valve
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---------------------------------------------Certification -----------------------------------------
TCS WARS DNV CE ISO etc.
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| Wafer type butterfly valve | Lug type butterfly valve | Backflow preventer | Gate valve |
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