Flanged butterfly valve has simple structure, small in size, light weight and good flow control features.Available soft seal and metal seal for used in different fields such as medicine, paint, environmental protection, refrigeration, oils & fats,brewing, papermaking, biochemical,dailychemicals, food&beverage, water treatment and so on.
Seat seal material
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NBR, EPDM, PTFE etc
Design standard
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GB/T 12238, API 609, JIS B2071
Face to face
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GB/T 12221, ASME B16.10, JIS B2002
End Connection
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GB/T 9113, ASME B16.5, JIS B2211
Inspection and test
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GB/T 26480, API 598, JIS B2003
Operation device
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Handle, worm gear, signal, pneumatic,electric actuator