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API Triple Offset Lug Wafer Butterfly Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: NPS 2 "to NPS 36"
③ Pressure range: CL150~CL600
④ Operating... -
Electric Triple Offset Worm Gear Operated Butterfly ValveFriends in engineering and production management all know that "ease of use" and "reliability" are indispensable in fluid control. The electric butterfly valve from Zhengmao Valves is built...read more
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GB Triple Offset Flanged Butterfly Valve① Main material: carbon steel, stainless steel, alloy steelread more
② Nominal diameter: DN40 to DN2000
③ Pressure range: 1.0MPa~6.4MPa
④ Operating... -
Flanged Jacket Butterfly ValveFriends in food processing, pharmaceutical storage, or chemical cold chain know well that if valves freeze when transporting low-temperature media, it will cause big trouble. This insulated...read more
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GB Flanged Butterfly ValveAnyone in the industrial fluid control business knows that choosing the right valve saves a lot of trouble in production. The national standard butterfly valve made by our Zhengmao Valves is fully...read more
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Cryogenic Butt-Weld-End Butterfly ValveAnyone in the cryogenic fluid control business knows that when it comes to environments tens of degrees below zero, ordinary valves either don’t seal tightly or crack due to freezing, which is...read more
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Triple Offset Wafer Butterfly ValveAnyone in the pipeline engineering business knows that some spaces are too narrow for large valves to fit in—and our Zhengmao wafer butterfly valve is specifically designed to solve this problem....read more
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Centerline Wafer Butterfly ValveWhen choosing valves for engineering projects, the biggest headaches are poor adaptability and troublesome operation. The center-line butterfly valve from Zhengmao Valves is designed to solve...read more
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Lug-Type Butterfly ValveFriends engaged in engineering and fluid system management all know that a valve should not only control flow but also be easy to install and durable. The lug-type butterfly valve from Zhengmao...read more
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PTFE-lined Butterfly ValveFor those working in chemical engineering, electroplating, and other fields that deal with acids and alkalis, the biggest headache when choosing valves is corrosion. The fluorine-lined butterfly...read more
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Large Bore Pneumatic Triple Offset Butterfly ValveMasters in factory operation and maintenance, as well as fluid control, all know that if a valve responds slowly and is cumbersome to operate, it will not only delay production but also may hide...read more
WebFeb 27, 2020 · Ductile Iron Butterfly Valve, Lug Pattern, EPDM Liner Bubble-Tight Shut-Off ABS Approved Product (2" -24") IAPMO Certified (2"-24") Non-Shock Options can be...
WebKEYSTONE SERIES 60 BUTTERFLY VALVE MATERIALS Part Standard material Material specifications 1 Body Cast iron[1] ASTM A126 Class B Ductile iron (DN 50 - 300/ NPS 2 -...
WebResilient Seated Butterfly Valve - Series 30/31 Size Range NPS 2 to 20 / DN 50 to 500 NPS 14 to 20 / DN 350 to 500 Body Materials Cast Iron, Ductile Iron, Carbon Steel, Aluminum Temperature Range...
WebAll iron butterfly valves have phenolic-reinforced liners and 416 SS blowout proof stems. Liner materials include EPDM, Buna-N, Viton*, Hypalon*, and FDA Neoprene. Disc...
