Double Hinge Flap Valve 4013

Flap valve is a simple check valve always installed in the pipe end to stop back flow effectively. It is mostly connected with pipes or mounted to the wall with flange. Flap valves are designed over hydraulics and gravity, after installation, it is no need of manual operation and almost maintenance free.
Double Hinge Flap Valve 4013 is double hinge designed, it effectively makes the valve gates open and close with little head loss. The efficient and tough design will be suitable for sewage, river and marine environment. Flap valves 4013 are mostly used for size larger than 1200mm.

• Very low head loss

• Needs no operation

• Maintenance free

• Tough enough for application

• Customizing available

• OEM service available

• Size: 400mm to 1200mm

• Temperature: -40℃ to 120℃

• Fluid: Water, Swage, Acid, Alkali, Oil, etc.

• Flange drilling: PN6/PN16/PN25/PN40/CLASS300/CLASS600

• Patterns in above table are in PN6, please contact UNICK if other patterns needed.

  
  

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