Swing Flex Check Valve


Swing Flex Check Valve is used  in water supply and drainage system, sewage system.

Swing Flex Check Valve
Swing Flex Check Valve

This valve can be installed at the water outlet of the pump or the water outlet pipe to prevent backflow of medium.


  1. Switch can be up to 100,000 times;
  2. Full flow area, low flow resistance;
  3. Less likely to accumulate debris;
  4. Simple structure and convenient maintenance.


The sealing ring of this valve adopts the tilting design, and the closing time is short, which can reduce the water hammer pressure.

Installation and Commissioning

This valve can be installed in sewage. For specific use, please consult Zeco Valve Group.

Product scope ,Standards & Materials

Size Range: 2″~24″

Pressure Rating:10bar ~ 25bar

Face to Face Dimensions:AMSE B16.10, EN558-1

Flange End Dimension :AMSE B16.1/16.42, AS4087, EN1092-2

Coating: Fusion Bonded Epoxy Coating

Inspection and Test:ISO 5208 / EN 12226-2

Part Material Standard
Body Ductile Iron EN 1563/DIN 1693
Bonnet Ductile Iron EN 1563/DIN 1693
Disc Ductile Iron + EPDM / NBR EN 1563/ISO 4633
Seal EPDM / NBR ISO 4633
Nuts Stainless Steel 431 EN10088-1/ASTM A959
Bolts Stainless Steel 431 EN10088-1/ASTM A959
For materials options not listed,consult factory.

Zeco manufactures valves in more than 50 different alloys.