The high temperature and high pressure cut-off valve opening and closing is plug valve, sealing surfaces appear flat or cone, disc make linear movement along the centerline of fluid. Stem form of exercise, lifting lever ( rod and hand wheel lifting) And lift rotating lever ( Hand wheel rotating lifting with the valve stem and nut in the body) 。 High temperature and high pressure cut-off Industrial Valves has the following advantages: 1, simple structure, manufacture and maintenance more convenient. 2, small work schedule, opening and closing time is short. 3, good sealing, sealing surface friction between the small, long service life. High temperature and high pressure cut-off valve faults are as follows: 1, the fluid resistance is big, open and close the required force is larger. 2, does not apply to take larger particles, viscosity, easy to coking of the medium. 3, poor regulation performance. High temperature and high pressure cut-off valve structure features: 1. Lumen self-tightening seal structure is adopted, and the valve sealing performance is better. 2. Disc and seat sealing surface using department too vertical cobalt-based hard alloy spray welding and become, wear-resisting, high temperature resistant, corrosion resistance, abrasion resistance, can be good. 3. Design of high temperature creep resistance. 4. The valve stem is made of the overall structure of forging, after conditioning and surface nitriding treatment, has the good corrosion resistance and abrasion resistance. 5. The cover depth of the stuffing box is reasonable, packing and corrosion inhibitor, reliable sealing.
Shenzhen Mech Valve Trading Co., Ltd.'s products comply fully with all compatible producing regulations.
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