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Hard sealed wear-resistant ball valve is a ball valve that adopts a metal to metal sealing structure. Its core feature is that the sealing surfaces of the sphere and the valve seat are both made of metal or high hardness alloy materials, and are hardened through special processes such as supersonic spraying, hard alloy welding, nickel based alloy thermal spraying, etc., to achieve a sealing surface hardness of HRC60 or above, with a maximum of HRC74-78. On this basis, further structural optimization and wear-resistant design are carried out for extreme working conditions such as solid particles, high erosion, high temperature and high pressure, in order to achieve long-term reliable sealing and ultra long service life.
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Why choose wear-resistant hard seals for industry working conditions
Coal chemical lock slag valve, black water valve, 4-6.5MPa hard particle slurry with anti scouring, anti jamming, and anti cavitation properties
Petroleum refining and catalytic cracking 550 ℃ regenerated flue gas, hydrogenation 42MPa high-pressure hydrogen gas resistant to high temperature and high pressure, and resistant to catalyst particle erosion
Power (thermal/nuclear) boiler drain, superheater discharge, turbine drain, temperature 650 ℃+, pressure 4500LB, required to quickly close within ≤ 1s
Petrochemical hydrogenation unit, oil and gas wellhead, catalytic cracking, temperature 400 ℃+, pressure 42MPa, containing H ₂ S/CO ₂ corrosion and catalyst particles
