Flow Control - Valves

Butterfly Valves

Butterfly Valves: Derwent Industries butterfly valve models include double flanged seal on disc and seal on body, as well as lugged and wafer. Derwent Industries butterfly valves range in sizes from DN 40 (40 mm) to DN 2000 (2 metres) and pressure ratings vary from PN 10 (10 bar) to PN 40 (40 bar). Stocked butterfly valves are available in a variety of materials such as cast iron, ductile iron with approved epoxy coating, stainless steel, PVC and FIP thermoplastics. Derwent Industries AVFI provide riser extensions, gearboxes & automated valves with either electric or pneumatic actuators to order to suit our butterfly valves, in a fast turn-a-round time. Buried service option is available on request . Refer to the appropriate data sheet for full details on Derwent Industries butterfly valves.

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