Butterfly valve plays a very important role in many places such as food, beverage,pharmaceutical purity piping and industrial environment,water treatment ,high building ,water supply and drainage system, it’s a device which open ,shut and regulate the flow of media .
Specifications
Flange butterfly valve,stainless steel butterfly valve
The largest diameter is up to DN2000mm,
It is used in low tempersture
Specification:
Flange butterfly valve main technical parameter:
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Nominal diameter(mm)
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50-2000mm
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Nominal pressure(Mpa)
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0.6
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1.0
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1.6
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Seal test(Mpa)
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0.66
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1.1
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1.76
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Strength test(Mpa)
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0.9
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1.5
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2.4
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Suitable temperature
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Carbon steel: -29-425,stainless steel:-40-650
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Suitable medium
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Water ,air,nutural gas,oil
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Rate of leakage
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Correspond to GB/T13927-92
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Type of drive
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Worm drive,motor-driven,pneumatic,hydraulic
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Main parts material:
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Name of parts
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Material
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Valve body
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WCB,alloy steel,stainless steel,QT4500
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Disc
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WCB,alloy steel,stainless steel.QT4500
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Valve shaft
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2Cr13 stainless steel,alloy steel
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Seal ring
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Stainless steel
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Packing
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Flexible graphite
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Note
1,Our butterfly valve has high quality,we can guarantee the quality in one year and a half year.
2,We can match different materials about plate and stem,such as stainless steel according to special working condition.
3,Also we can match the different rubber ring according to the different medium such as NBR,PTFE,CSM,EPDM,CR and other rubber.
Our company specialize in manufacturing butterfly valve,a variety of valves, flanges, threaded pipe fitting, punched elbows, groove fittings and pipe fittings for more than sixteen years. Being highly appreciated by users.
Our products have many series, we can do any kinds according to customer’s requirement, can do different standards, such as ISO,GB,DIN,API,BS,JIS. Customers can buy or wholesale different items at one time by combine goods together.We can design the products accprding to your special request.OEM is welcome too.