Other Butterfly Valves
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Wafer Type Fire Signal Butterfly Valve
The fire signal butterfly valve usually has a size of DN50-300 and a pressure lower than PN16. It is widely used in coal chemical, petrochemical, rubber, paper, pharmaceutical and other pipelines as a diversion and confluence or flow switching device for media.
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Concentric Cast Iron Full Lined Butterfly Valve
Concentric PTFE Lining Valve also known as fluorine plastic lined corrosion resistant valves, are fluorine plastic molded into the inner wall of the steel or iron valve bearing parts or the outer surface of the valve inner parts. Fluorine plastics here mainly include: PTFE, PFA, FEP and others. FEP lined butterfly, teflon coated butterfly valve and FEP lined butterfly valve are usually used in strong corrosive media.