Control valves for process industry and equipment requiring high adjustment accuracy and small leakage, widely used in the process control of acid, alkali and other strong corrosive media and toxic and volatile media in the industries of chemical, petroleum, metallurgy, medicine, electric power, etc.
Features
Multi-spring pneumatic diaphragm actuator available for, simple and firm structure, large output force and long service life
Tetrafluoroethylene-hexafluoropropylene copolymer (F46), a corrosion-resistant and aging-resistant material, lining at the valve body inner cavity, valve element, valve stem and other parts in contact with the medium
Corrosion-resistant valve body Valve body made of F46 or PFA lined cast steel available
Double seal with PTFE bellows and packing to ensure no leakage