Description
The fluid end is the high-pressure portion of the triplex or quintuplex fracturing pump, responsible for containing and directing the fracturing fluid under pressures up to 15,000 psi or higher
RIGRS fluid end
It is composed of three or five individual plunger assemblies, each including:
Plunger or piston,Discharge valve assembly,Suction valve assembly,Valve seats and springs,Fluid end block (forged body).
The fluid end connects to the power end via a pony rod or extension rod, and to the manifold via flanged or studded connections.
RIGRS fluid end Product
Ht400 triplex plunger pump fluid ends:Specifications 4“、4.5”； Materials 4330V.
600S triplex plunger pump fluid ends:Specifications 3.5″、 4“、4.5”； L*W*H mm 715*489*298.5.
Quintuplex plunger pump fluid ends:Specifications 3“、3.5”； L*W*H mm 1171*750*297.5.
2250 plunger pump fluid ends:Specifications 4“、4.5”、5“、5.5”； L*W*H mm 928*581*505.
Five cylinder pump fluid endss:Specifications 4.5”； L*W*H mm 1490*665*568.
Five-cylinder pump FMC3000 fluid ends:Specifications 4.5”； L*W*H mm 1930*686*560.
Available Fluid End Configurations
Fluid end supply can be reviewed according to pump configuration and customer requirements.
Typical configurations may include:
Triplex fluid ends
Quintuplex fluid ends
High-pressure frac pump fluid ends
Well-service pump fluid ends
Complete replacement assemblies
Bare fluid end blocks
Partially assembled fluid ends
Drawing-based custom fluid ends
For existing equipment, the final configuration should be confirmed from the pump data sheet or original fluid end drawing.
Features and advantages of RIGRS fluid end frac pump:
Monoblock Forging: Eliminates weld seams, ensuring uniform stress distribution.
Cross-Bore Optimization: Smooth transitions to minimize stress concentrations and crack initiation.
Threadless Valve Covers: Reduce leak paths and allow faster maintenance.
Replaceable Seats and Inserts: Simplify service procedures, lowering downtime.
Improved Flow Path Geometry: Minimizes turbulence and erosion inside the chamber.
Inspection, Testing, and Maintenance Programs for fluid end pump:
Visual Inspection: Daily checks for cracks, leaks, or unusual wear.
Magnetic Particle or Dye Penetrant Testing: Every 250 operational hours or before each job cycle.
Hydrostatic Pressure Testing: At 1.5× the rated working pressure before reassembly.
Valve and Seat Replacement: Typically every 200–300 hours of operation, depending on fluid type.
Plunger and Packing Replacement: When leakage exceeds recommended limits or during scheduled overhauls.
Routine fluid ends re-certification according to API Spec 11E or ISO 15156 ensures compliance and operational safety.
Not sure which fluid end is right for your pump?
Please refer to our Fluid End Selection Guide to compare different types by pump model first.
