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Cost-Effective Large Caliber DN50-1000 High Pressure Hard Seal Butterfly Valve1
Valve, Valve, Butterfly Valve
YOONAD VALVE (WUXI) CO., LTD.
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Product Description The following is an introduction to the butterfly valve, if you are interested in other products, please browse my homepage, looking forward to your inquiry.Metal seated butterfly valve is the newly-developed long-life and energy-saving products.A metal seated butterfly valve is a type of valve which can be used for isolating or regulating flow. The closing mechanism is the disc, which sits in the center of the valve body. The disc is connected to a handle or actuator via the shaft, which passes from the disc through the top of the valve body. Unlike a ball valve, the disc of the butterfly valve is always present in the flow, which will induce a pressure drop.? Triple offset geometry? Integral metal seal ring sealing? Zero Leakage for both way? Anti-blow out shaft ? Replaceable Seat & Disc Sealing? 0°-90°control, no jump area? Friction freeA metal seated butterfly valve operates in a quarter turn style, meaning that rotating the closed disc 90° will fully open the valve, and vice versa. They can also be opened incrementally in order to throttle flow.A metal seated butterfly valve operates in a quarter turn style, meaning that rotating the closed disc 90° will fully open the valve, and vice versa. They can also be opened incrementally in order to throttle flow. This can be accomplished manually, but throttling flow is more precise when used in conjunction with an actuator. Actuators can be customized to allow incremental flow, by using positioners in the case of pneumatic and hydraulic actuators, or by using modulating boards in the case of electric actuators.Applications of Metal Seat Butterfly ValvesMetal Seated Butterfly Valve is widely used in petroleum, natural gas, piped gas and medicine, food industry, industrial environmental water treatment and shipping industry.Application standardsValve Marking: MSS-SP-25Design & Manufacture: EN 593Face to Face Dimension: ISO 5752, EN 558End Connection: ASME B16.5, ASME B16.47, EN 1092, JIS B2220, GOST 12820Test and Inspection: EN 12266, ISO 5208 Material of Metal Seated Butterfly Valves NoPartMaterial1BodyASTM A351 CF82Seal RingGraphite + SS3043Retainer FlangeASTM A182 F3044PinASTM A276 3045DiscASTM A351 CF86StemASTM A276 3047Stem PackingGraphite8Stem BeatingSS304 + PTFE9BoltASTM A193 B810NutASTM A194 811YokeASTM A216 WCB
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