HKQ640 Pneumatic V Port Ball Valve

HKQ640 Pneumatic V Port Ball Valve


Pneumatic V Port Ball Valve

with excellent control and stop flow of media performance. Adopting a unique eccentric structure, with compact structure, good sealing performance and long service life. The V-shaped ball core and the sealing ring have a shearing effect at the moment of closing, which can cut off the fibers in the medium and extrude the particulate matter, especially suitable for pulp, sewage and other media containing fibers and particulate matter.
As a pneumatic ball valve manufacturer, COVNA manufactures all types of pneumatic ball valves for your choice. Offering a cost-effective and suitable actuation solution for you.
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  • Actuator Type:Spring Return / Double Acting
  • Air Supply Pressure:2.5 bar to 8 bar
  • Pressure:10 bar to 100 bar (145 psi to 1450 psi)
  • Body Material:Stainless Steel 304/316/316L
  • Temperature Of Media:-10 to 180℃ (14℉ to 356℉)
  • Suitable Media:Water, Liquids, Gas, Oil, Air, Mud, etc

Features Of HKQ640 Pneumatic V Port Ball Valve:

● It adopts a unique eccentric structure, has the characteristics of compact structure, good sealing performance, long service life. And it has two functions of adjustment and cutting the flow of media

● There are two types of seal ring, soft seal and metal seal, to meet the requirements of different working conditions

● The flow path is simple, the flow capacity is large, and the adjustable ratio is up to 100

● It is widely used in the chemical industry and electric power. , Papermaking and other industries conduct cut-off or adjustment control on process media


Technical Parameters Of HKQ640 Pneumatic V Port Ball Valve:

Actuator Type Spring Return / Double Acting Size Range DN15-DN500
Connection Flange (ANSI, JIS, DIN, GB) Seal Material PTFE / Metal
Medium Air, water, steam, oil, mud, etc Working Pressure 10 bar to 100 bar (145 psi to 1450 psi)
Body Material Stainless Steel 304/316/316L Temperature Of Media -10 to 180℃ (14℉ to 356℉)


Design Basis GB Standard ANSI Standard
Design Standard GB/12237 ANSI B16.34
Connecting Flange Size GB/9113, JB/T79 ANSI B 16.5
Test & Inspection JB/T9002 API 598


Dimension of PN16 HKQ640 Pneumatic V Port Ball Valve:


Dimension of PN25 HKQ640 Pneumatic V Port Ball Valve:


Dimension of Class150 HKQ640 Pneumatic V Port Ball Valve:



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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