Patent 2023

Centrifugal pump driven by rare earth permanent magnet motor and self-lubricating method

Centrifugal pump driven by rare earth permanent magnet motor and self-lubricating method

Triple eccentric hard seal butterfly valve

Triple eccentric hard seal butterfly valve

Switch regulating valve

Switch regulating valve

Single-stage single-suction centrifugal pump driven by rare-earth permanent magnet

Single-stage single-suction centrifugal pump driven by rare-earth permanent magnet

Axial force balance structure of high-pressure cantilever centrifugal pump

Axial force balance structure of high-pressure cantilever centrifugal pump

Low-leakage sealing structure for valve

Low-leakage sealing structure for valve

Large-diameter plug valve for acetic acid device

Large-diameter plug valve for acetic acid device

Oil and gas pipeline tensile testing machine

Oil and gas pipeline tensile testing machine

Support adjustment device for oil and gas pipeline test

Support adjustment device for oil and gas pipeline test

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