Manual soft sealing butterfly valve, the center line clamp flange butterfly valve structure is compact, 90 ° rotary switch easy, reliable sealing, long service life, it is widely used in water plant, power plant, steel plant, paper, chemical, food and other systems for water supply and drainage, as a regulation and cut-off use.
The intelligent electric ball valve is a kind of rotary cut-off regulating valve, which has the advantages of close, compact structure, light weight, convenient maintenance and so on. Widely used in gas, liquid, steam, oil and other corrosive media pipeline automation control.
The fluorine-lined globe valve belongs to the forced sealing valve, so when the valve is closed, the pressure must be applied to the disc to force the sealing surface not to leak. When the medium from below the disc into the valve six, the resistance to overcome the operating force is the friction of the stem and packing and the 1