HK59-D Series Pneumatic Butterfly Valve
Benefits Of Pneumatic Wafer Butterfly Valves:
COVNA Pneumatic Wafer Butterfly Valves provide you with a durable and reliable fluid control solution. The advantage is that the stainless steel material provides a rust-free solution, the wafer connection is easy to install, and the size range is large to meet the needs of various pipelines. More importantly, we can replace the valve material, seal material, etc. according to your needs to perfectly match your needs.
Used with pneumatic actuators, it can increase the efficiency of project generation and realize industrial automation.
Features Of HK59-D Series Pneumatic Butterfly Valve:
● Stainless steel material offers a no-rust solution for various applications
● Cast iron material provides an economical and convenient choice for your automation solutions
● Wafer connection with features easy to install
● 4 versions of seals for your choice to meet your medium's requirements. Such as EPDM and PTFE seal
● Widely used in wastewater treatment, packing industry, shipyard, power plant, and other industries
Technical Parameters Of HK59-D Series Stainless Steel Pneumatic Butterfly Valve:
| Actuator Type | Spring Return / Double Acting | Connection | Wafer |
| Size Range | DN50 to DN600 | Structure Type | Midline Structure / A Type |
| Working Pressure | 10 / 16 bar | Body Material | Stainless Steel 304/316/316L |
| Suitable Media | Water, Liquids, Gas, Oil, Air, Steam, Corrosive Medium, etc | Temperature Of Media | -10 to 180℃(14℉ to 356℉) |
| Disc Material | Cast Iron, Stainless Steel 304/316/316L | Stem Material | Cast Iron, Stainless Steel 304/316/316L |
Dimension of HK59-D-S Stainless Steel Pneumatic Butterfly Valve:
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 |
COVNA AW Series Pneumatic Actuator
AW series high torque pneumatic rotary actuator suitable for the large size ball valve which has higher torque needs. Such as trunnion-mounted ball valve. Ensure the valve opens or closes smoothly.
● Double acting type: Torque range from 515Nm to 157,300Nm
● Spring-return type(single-acting type): Torque range from 270Nm to 37,000Nm
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