RSF VALVE is a leading manufacturer of water works valves. We have more than 15years experience in producing pneumatic concentric double Flange valves, pneumatic wafer Butterfly Valve, pneumatic actuator Lug Type Butterfly Valve, pneumatic ball valve, pneumatic knife gate valve, etc.
Our pneumatic actuated Concentric Double Flange Rubber Lining Butterfly Valve is one important kind of water works valves. The main function of butterfly valve is to control fluid flow rate in pipeline: turn handle or other actuator, the disc will rotate; lock the disc at the specified angle by locking device; the fluid flow rate depends on the disc angle; when the disc is turned 90℃ to the valve bore center line, the pipeline is cut off. The pneumatic actuated ductile iron butterfly valves are widely used in industry of potable water, sewage, and sea water. Considering different connecting ends, the Water Work Butterfly Valve is classified in Wafer Type Butterfly Valve, Lug Butterfly Valve, and flange butterfly valve, etc.
Standard:
Basic Design: EN593, API609, AWWA C504
Face to Face: ISO5752 Series 13
Connecting Ends: EN1092-2, ASME B16.5, ASME B16.47 A
Test: EN12266-1 Rating A, API 598
Design Feature:
Fully Rubber Vulcanized Seat
Double Flange Ends
Central Line Concentric
Bi-Directional
Shaft with pins or without pins
Size Range: DN50 (2") to DN3000(120")
Pressure Class: PN10, PN16, PN25
Material:
Body: Ductile Iron GGG50, GGG40, ASTM A593
Disc: Ductile Iron, Stainless Steel CF8 CF8M, Duplex Stainless Steel, Bronze
Shaft: SS416, SS431, F304, F316, F51
Seat: EPDM, NBR, Nature Rubber
Operation:
Lever, Gear, Electric Actuator, Pneumatic Actuator
Optional:
stem Extension, WRAS Approved FBE Coating & Rubber
Thanks for your selection of RSF’s water works valves! If you have any inquiries of Pneumatic Actuator Concentric Double Flange Rubber Lining Butterfly Valve, please don’t hesitate to call us or email us!
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