公开(公告)号：US20210316430A1

公开(公告)日：2021-10-14

申请号：US17272402

申请日：2019-09-14

Applicant: S.P.M. Flow Control, Inc.

Inventor： Justin Lane POEHLS ,  Joel RAMIREZ ,  Connor Robert LANDRUM

IPC: B25B27/06 ,  B25B27/24

Abstract: A seat removal tool is disclosed for removing valve seats. A seat removal tool having a main rod, actuator rod within the main rod that actuates to cause radially expandable extraction segments to transition between an expanded position and a contracted position. When using the seat removal tool to remove a valve seat, portions of the radially expandable extraction segments may pass through a seat while the valve seat removal tool is in a contracted position. Thereafter, the seat removal tool may transition from the contracted position to an extended position, which grabs the seat. While in the expanded position, the seat removal tool may pull the valve seat from the passage.

公开(公告)号：US20230141878A1

公开(公告)日：2023-05-11

申请号：US17995187

申请日：2021-04-14

Applicant: S.P.M. FLOW CONTROL, INC.

Inventor： Justin Lane POEHLS ,  Connor Robert LANDRUM ,  David Theodore FIGGS

IPC: F04B53/22 ,  F04B19/00

CPC classification number: F04B53/22 ,  F04B19/00

Abstract: A positive displacement pump includes a suction cover disposed in a suction access bore defined in the fluid end and housing, where the suction cover is configured to cover the suction access bore. A retainer nut is configured for abutting against the suction cover and retaining the suction cover within the suction access bore. A suction gland has an inner circumferential threaded interface configured to engage an external circumferential threaded interface defined on the retainer nut, and the suction gland has a plurality of threaded openings configured to receive a plurality of threaded fasteners that can be used for securely fastening the suction gland to the fluid end housing.