Imported eccentric hemispherical valve using eccentric valve body, eccentric ball and valve seat, valve stem for rotational movement in the common trajectory automatic centering, the process of closing the more off the more tight, fully achieve the purpose of a good seal. Valve ball and seat completely separated, eliminating the wear ring, to overcome the traditional ball valve seat and the ball sealing surface is always worn problem, non-metallic elastic material is embedded in the metal seat, the valve seat metal surface is well protected. This product is especially suitable for steel, aluminum, fiber, tiny solid particles, pulp, coal ash, LPG and other media. ã€Imported eccentric hemispherical valve features】 1, the structure of the use of the principle of eccentric tight tight drive through the brake to achieve the regulation, the purpose of closure, the sealing pair is a metal surface with a hard-surface contact seal, double-eccentric structure in the open spool Located in the possession of the ball room, circulation cross-section, and the valve is not washed, the valve core is not washed off, open the valve core gradual progress along the valve seat, the effective removal of fouling barriers to achieve a reliable seal. It is particularly effective for mixed flow delivery of two-phase mixed flow fouling solid 2. Valve hemisphere with bimetal, base metal surfacing different alloys, the valve seat is also the corresponding surfacing by special treatment, the sealing surface combined into anti-corrosion , Wear-resistant, high strength and other types to meet the needs of different occasions 3, tight seal, the transmission of harmful gases up to zero leakage 4, the seal of the valve spool left compensation, when the valve wear and then turn off a little , Ren can be reliably sealed, extending the service life. In addition, the user will tighten the nut nut, seat adjustment or replacement is still available to avoid the failure of the valve seal, the entire drawback of scrap due to welding different alloys (or combination of ball) bimetal sealing pair can be used In the wear-resistant, corrosion-resistant, high temperature and requires strict sealing conditions 1, the general valve: Specifications Model DN40-1600. Suitable for sewage treatment, pulp, urban heating and heating and other demanding occasions 2, oil chemical special valve: Specification DN40-1600. For crude oil, heavy oil and other oil products, weak corrosive chemical industry, two-phase mixed media 3, gas-specific valves: DN40-1600 specifications. For gas, natural gas, liquefied gas transport control 4, Slurry valve: Size DN40-1600. For liquid, solid two-phase mixed flow or liquid transport chemical reaction with crystallization or scaling industrial pipeline 5, coal ash slag valve: size DN40-1600. For power plants, hydraulic slag or gas pipeline control
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