Patent ID: 9371919
Filing Date: 2016-06-21
CPC Classification: B05B,B24C,F04B,F16K,Y10T

Claim Text:
1. A high pressure fluid end system comprising: a fluid end system frame including a front portion, a rear portion, a top portion and a bottom portion, the top portion defining a loading opening, the rear portion including a frame retainer and defining a retainer opening; a discharge manifold fixedly joined with the front portion of the fluid end system frame; a cartridge assembly module, including a valve seat assembly having a discharge valve and a seal cartridge assembly having a plunger adapted for reciprocal movement therein, the valve seat assembly and seal cartridge assembly fixedly secured to one another to form a single, one-piece unit, the cartridge assembly module mounted in the loading opening and projecting at least partially through the retainer opening, the cartridge assembly module being removable from the loading opening and the retainer opening with the valve seat assembly and seal cartridge assembly maintained as the single one-piece unit during the removal; and a retainer element joined with the frame retainer, the retainer element adjustable to force the cartridge assembly module into engagement with at least one of the front portion and the discharge manifold to establish fluid communication between the discharge valve and the discharge manifold, wherein the discharge manifold remains fixedly joined with the fluid end system frame front portion in a single orientation, even as the cartridge assembly module is removed from the loading opening.