Qingdao Hyperway International Trade

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Ductile cast iron butterfly valves are double flanged, metal hard seated. They are widely used to open, close or control the water flow in potable water system or sewage system.

Processing standard: DIN EN  593

Face to face according to: DIN EN 558-1 series 14

Flange standard: DIN EN 1092-2

Valve body and seat pressure standard: DIN EN 1563

Material standard: KTW and DVGW W270