HK59-D-G Pneumatic Hard Seal Butterfly Valve Series
According To The Connection Type:
Benefits Of Pneumatic Hard Seal Butterfly Valves:
The hard seal butterfly valve uses a metal seal, which means it can withstand pressures up to 40 bar. And provide the choice of wafer connection or flange connection to meet your pipeline install needs. The advantages of pneumatic actuators are fast response and cost-effective. Used with pneumatic accessories, it can achieve the purpose of industrial automation.
Wafer Type
Flanged Type
Technical Parameters Of HK59-D-G Pneumatic Hard Seal Butterfly Valves:
| Actuator Type | Spring Return / Double Acting | Size Range | DN50 to DN400 |
| Connection | Flanged or Wafer | Temperature Of Media | -10 to 400℃(14℉ to 752℉) |
| Mediums | Steam, wastewater, hot oil, etc | Working Pressure | 40bar |
| Body Material | Stainless Steel 304/316/316L | Disc Material | Stainless Steel |
| Seal Material | Hard Metal | Applications | Wastewater treatment, Shipbuilding, Flue-gas desulfurization, etc |
Dimension Of HK59-D-G Pneumatic Hard Seal Butterfly Valve:
For Wafer Type:
For Flanged Type:
Technical Parameters Of COVNA Pneumatic Valve Actuators:
| Structure | Rack and pinion pneumatic valve actuator |
| Mounting | ISO5211, NAMUR, DIN3337 |
| Air Supply Pressure | 2.5 to 8 bar |
| Double Acting Type | Air to open, air to close, air supply failure to keep the current position. Torque range from 8Nm to 4678Nm |
| Single Acting (Spring Return) | Air to open, interrupt air to close, air failure to close.Torque range from 5Nm to 2792Nm |
| Optional Accessory | Positioner, Limit Switch, F.R.L, Pneumatic Solenoid Valve, Gearbox |
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