Patent ID: 11867171
Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 14:
15. The fluid end according to claim 14, further comprising a first spring and a spring seat, wherein the first spring is located between the spring seat and the first main portion,
the first guide portion comprises a first guide seat and a first guide sleeve connected with the first guide seat, the first guide seat comprises a first through hole, the first through hole is configured to allow fluid to flow therethrough, the first guide sleeve is configured to receive a part of the first guide rod so as to guide the first valve-body,
the spring seat has a second guide sleeve, and the second guide sleeve is configured to receive a part of the second guide rod so as to guide the first valve-body.