FREE-VALVE’s gear box ductile iron wafer type butterfly valve is an economical and robust valve with an rubber lining, offering longer service life with lower maintenance cost. Self-lubricating bearings ensures perfect guiding and turning of the shaft without seizure or premature wear. Flange gaskets are not required since the lining that extends onto the faces acts as a gasket. The bonded liner extends the lifeti
1.Excellent double side sealing functions,Completely seals,Zero leakage in test, it can be use for cut off medium or regulated flow.
2.The simple structure, the weight is light, 90' revolves,Quick Open-close,Fixable operation.
3.Centric disc, one piece shaft,Easy to disassemble and repair,can be installed in any position.
4.The choice of disc and seat materials to suit working conditions and medium.
5.EPDM Lined seat ,Stainless steel disc.
FREE-VALVE’s gear box ductile iron wafer type butterfly valve could easily achieve Bi-Directional sealing, therefore is a widely applied valve in oilfield, agriculture,Power Plant Condensates Waterworks, Water treatment, Seawater, Exhaust,Flue Gas.Because of rubber lined body materials,it is usually used in low pressure lines.
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