SUZHOU RSF VALVE is one of leading manufacturer of water works valves in China, we have more than 15years experience in producing ductile iron body EN593 and AWWA C504 Butterfly Valve. Our products include double eccentric butterfly valve and central line butterfly valves, Wafer Type Butterfly Valve, Lug Type Butterfly Valve, U-type Flange butterfly valve, and double flange butterfly 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. Considering different connecting ends, the Water Work Butterfly Valve is classified in wafer type butterfly valve, lug type butterfly valve, U type butterfly valve, and flange butterfly valve, etc. The ductile iron U type butterfly valves are widely used in industry of potable water, sewage, and sea water.
Standard:
Basic Design: EN593, API609, AWWA C504
Face to Face: ISO5752, EN558-1, DIN 3202 API609
Connecting Ends: EN1092-2, ASME B16.5, ASME B16.47 A
Test: EN12266-1 Rating A, API 598
Design Feature:
Rubber Vulcanization Soft Seat, Replaceable rubber seat
Wafer-Type End, Lug Type, U-Flange, Double Flange
Concentric Central Line, double eccentric, double offset
Bi-Directional, unidirectional
stem with pins or without pins
Size Range: DN40 to DN3000 or 1 1/2inch to 120 inch
Pressure Class: PN10, PN16, PN25, Class125, Class150
Material:
Body: Ductile Iron GGG50, GGG40, ASTM A536
Disc: Ductile Iron, Stainless Steel CF8 CF8M, Duplex Stainless Steel 4A 5A, Bronze
Shaft: SS416, SS431, F304, F316, F51
Seat: EPDM, NBR, Nature Rubber
Bushing: PTFE or Bronze
Operation:
Lever, Gear, Electric Actuator, Pneumatic Actuator
Optional:
Stem Extension, WRAS Approved FBE Coating & Rubber
ROTORK or AUMA Gear Box
Warmly welcome to choose RSF VALVE's butterfly valves! If you have any inquiries of water works valves such as butterfly valve, Concentric Wafer Type Butterfly Valve or concentric Lug Butterfly Valve, double flange butterfly valve, Resilient Seat Gate Valve, metal seat gate valve, strainer, please don’t hesitate to call us or email us!
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