FREE-VALVE’s pneumatic wafer type lining rubber butterfly valve is an economical and durable valve with an rubber lining, offering longer service life with lower maintenance cost. Self-lubricating bearings ensure valve stem has a perfect guiding and turning ,avoid jamming or premature wearing. Flange gaskets are not required since the lining that extends onto the faces acts as a gasket. Integrated bushing extends the lifetime of the valve ensuring there is no corrosion between the body and liner.
FREE-VALVE’s pneumatic wafer type lining rubber butterfly valve could easily achieve bi-directional sealing, therefore it 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 pipelines.
