Concentric wafer butterfly valve without pin phenolic backed
This butterfly valve is suitable on system such as plumbing, electricity,petroleum,chemical industry,smelting,foodstuff, medicine, paper making and shipping
It is used to adjust and cut off corrosive and non-corrosive mediums
Features:
Small in size and light in weight; easy to install and maintain; it can be installed wherever needed
Simple and compact construction, 90° rotating, open and close rapidly
Small operating torque, energy saving
Discharge characteristic tend to straight line, good regulation performance
Completely sealed, zero gas leakage test
The number of open and close test reaches as many as tens of thousands of times, long service lifespan
Applicable to a variety of medias when using different materials
Body: ductile iron
Disc: cast steel with nylon coated
Stem: stainless steel 416
Seat: PTFE
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