Wafer Butterfly Valve


Wafer Butterfly Valve

Wafer Butterfly Valve
Wafer Butterfly Valve

Festures of Wafer Butterfly Valve

  • simple and compact in structure, light in weight, easy to assemble and repair;
  • Small operation torque, turn 90° portable rapid opening and closing;
  • Small flow resistance, the energy saving effect is good;
  • Reliable sealing, leakage is zero, long service life.

Wafer Butterfly Valve Working Principle

Large diameter can be increased due to the increase of torque, which can be increased by adding a turbine head or electric actuator. Electric actuators can be equipped with common type, household type, explosion-proof type and regulating type according to different working conditions, which can realize remote control and computer networking.

Wafer Butterfly Valve Installation and Commissioning

This valve must be equipped with butterfly flange. Put the butterfly valve into the middle of the special flange at both ends of the pipeline, and use the double head bolt through the pipeline flange and clamp butterfly valve to lock tightly, then it can be used normally. For specific use, please consult ZECO Valve Group.

Wafer Butterfly Valve Material and Standard

Size Range: 2″~48″

Pressure Rating: 10bar ~ 25bar

Face to Face Dimensions: EN 558-2008

Flange End Dimension: EN1092-2, ISO 7005-2

Coating: Fusion Bonded Epoxy Coating

Inspection and Test: EN 1074-1 and 2, EN 12266


Part Material Standard
Body Ductile Iron EN 1563/DIN 1693
Disc Ductile Iron EN 1563/DIN 1693
Stem Stainless Steel 431 EN10088-1/ASTM A959
Handle Ductile Iron EN 1563/DIN 1693
Seat EPDM ISO 4633
Bushing CuZn39Pb1 / C37000 EN12167/ASTM B135
For the materials options not listed, consult factory.

ZECO manufactures valves in more than 50 different alloys.

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