Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

American Jereh International Corporation

Weichen Liu

Baoguo Jian

Haiping Cui

Wenping Cui

Peng Li

Jixin Wang

Wenjie Deng

Xiaobin Li

Chen Jiang

Xiaosong Wei

Anpeng Ge

A hydraulic end assembly structure of a plunger pump, comprising a valve housing assembly, a suction gland and a suction pressing cap. The suction gland is connected to the suction pressing cap, and the suction gland is connected to the valve housing assembly through the suction packing seal assembly.

Hydraulic end assembly structure of a plunger pump

A valve spring fixing device and a plunger pump are disclosed. The valve spring fixing device includes a spring fixing piece, which includes a first supporting surface and a second supporting surface located at two ends of the spring fixing piece, and an intermediate portion located between the first supporting surface and the second supporting surface; and a spring mounting portion connected with the intermediate portion and configured to mount a valve spring, the first supporting surface and the second supporting surface are configured to contact with a valve box to fix the valve spring fixing device.

Valve spring fixing device and plunger pump

A valve spring seat sleeve, a valve assembly, and a plunger pump are disclosed. The valve spring seat sleeve includes a cylindrical hollow structure, a first fluid hole, a first notch and a second notch; the cylindrical hollow structure includes a plunger passage; the first fluid hole passes through a sidewall of the cylindrical hollow structure and communicated with the plunger passage; the first notch and the second notch are located on a side of the cylindrical hollow structure opposite to the first fluid hole; the cylindrical hollow structure includes a first end portion, a second end portion and an intermediate portion, a center of the first fluid hole is located at the intermediate portion, the cylindrical hollow structure further includes a spring mounting portion located between the first notch and the second notch.

Valve spring seat sleeve, valve assembly and plunger pump

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Shandong, China

Weichen Liu