Wafer Concentric Butterfly Valve

Name: Wafer Concentric Butterfly Valve
Brand: ZECO Valve Group

Basic information of Wafer Concentric Butterfly Valve

Wafer Concentric Butterfly Valve can be used as adjusting and intercepting equipment on non-corrosive gas, liquid, semiliquid and solid powder tube, and vessel.

Dof960 series of cases

Features of Wafer Concentric Butterfly Valve

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

Principle of Wafer Concentric Butterfly Valve

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.

Installation and Commissioning of Wafer Concentric Butterfly Valve

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.

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.

Product scope, Standards & Materials of Wafer Concentric Butterfly Valve

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

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