Double eccentric hemispherical valve Guo Fengzhong Abstract The performance, structure characteristics and application range of double eccentric hemispherical valve are introduced.

Keywords double eccentricity; hemispherical valve; ball valve; floating; meshing; sealing pair; hemispher…

Foton Motors released July sales and sales report, Foton Cummins sales of engines increased by 81.4%.

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The oil in the compressor is returned to the oil sump through the circuit. The lubricating oil discharged into the system with the gas is sucked, filtered, and returned to the oil pool. The body is designed with ribs to dissipate the heat generated by the compressor and the friction pair.…