Quintuplex Plunger Pump QWS550 Spare Parts

Part Overview

The opening note keeps Quintuplex Plunger Pump QWS550 aligned with the documented Plunger / Piston Pump replacement path.

The spare-parts notes for Quintuplex Plunger Pump QWS550 are written around the documented model and the part group actually used on that unit.
This page keeps the fluid end side visible because that is the area most buyers check first when a part needs replacement.
Why it matters: a plunger replacement only works when the size and pressure path are matched.

Scope note

Quintuplex Plunger Pump QWS550 needs the wear kit checked against the exact size and duty point on the removed sample.

Compatibility / Model Fit

The fit review stays focused on Quintuplex Plunger Pump QWS550, the removed part, and the actual interface points.

Compatible model: compare the removed part with Quintuplex Plunger Pump QWS550 before any quote is finalized.
Compatible series: Quintuplex Plunger Pump Series helps narrow the family, but the final size check still has to match the part in hand.
Interchangeable models: plunger and piston parts for Quintuplex Plunger Pump QWS550 must be checked for plunger size, fluid-end layout, and pressure class before reuse.
Check pressure class, plunger size, and fluid-end layout on Quintuplex Plunger Pump QWS550 before assuming partial interchangeability.

Compatibility reminders

Compatible models: Quintuplex Plunger Pump QWS550 is the primary reference.
Compatible series: Quintuplex Plunger Pump Series can narrow the search, but the sample still decides the final fit.
Interchangeable models: plunger and piston parts for Quintuplex Plunger Pump QWS550 must be checked for plunger size, fluid-end layout, and pressure class before reuse.
Partial compatibility: for Quintuplex Plunger Pump QWS550, some wear items may interchange while seals, gaskets, or hardware still need separate confirmation.

Part Category

The category note helps the buyer decide whether the item is a wear part or a support part.

Part category: this Fluid End Wear Package label helps separate the active wear set from the support hardware on Quintuplex Plunger Pump QWS550.
The fluid end interface is the first place to verify the fit path for this spare part on Quintuplex Plunger Pump QWS550.
Wear part or non-wear part: confirm whether the item belongs to the wear path for Quintuplex Plunger Pump QWS550 before the order is placed.
Priority path: start with the sealing and wear items for Quintuplex Plunger Pump QWS550, then confirm the support pieces if needed.

Priority note

For Quintuplex Plunger Pump QWS550 in Plunger / Piston Pump, the wear package usually gets checked first because it affects sealing and service life.

Material / Specification Notes

The specification note keeps the replacement request tied to the sample and the source record.

Size: use the removed part or nameplate data to lock the diameter, thread, or envelope before the order is placed.
Material: keep the replacement material aligned with the medium, wear load, and expected service window.
Hardness / finish: if the source material gives a hardness or finish value, keep that detail tied to the spare-part request.
Connection / interface: compare the flange, bolt pattern, fit point, and sealing path against the fluid-end interface before purchase.

Service note

Quintuplex Plunger Pump QWS550 depends on wear resistance, sealing stability, and dimensional fit at the fluid end.

Spare Parts Parameter Matrix

This table only uses source-backed model data for Quintuplex Plunger Pump QWS550. Every row is built from explicit source text or main specification data; fields stay blank or use a dash when no concrete parameter is available.

Part / Component Name	Model	Part No. / Drawing No.	Size / Spec	Specification / Performance	Material	Hardness / Treatment	Connection / Interface	Compatible Model
Pump Assembly	Quintuplex Plunger Pump QWS550	-	-	-	-	-	-	Quintuplex Plunger Pump QWS550
Plunger	Quintuplex Plunger Pump QWS550	-	-	QWS550 quintuplex plunger pump is a five-cylinder high-pressure pump for oilfield injection...	-	-	-	Quintuplex Plunger Pump QWS550

Common Replacement Set

Use the wear set and backup items as one planning unit for Quintuplex Plunger Pump QWS550.

Wear items

plunger
liner
packing set
valve seat
valve insert
gasket kit

Support items

seal kit
fastener kit
guide sleeve

For Quintuplex Plunger Pump QWS550, plunger and liner are often requested together because they share the same wear path.
Review the sealing parts and backup hardware for Quintuplex Plunger Pump QWS550 in the same maintenance pass as the wear items.
Use the replacement set for Quintuplex Plunger Pump QWS550 as the starting point for the maintenance plan.

Maintenance planning

Quintuplex Plunger Pump QWS550 needs the wear kit checked against the exact size and duty point on the removed sample.

When ordering parts for Quintuplex Plunger Pump QWS550, the replacement bundle should be reviewed as a service set rather than a loose list.

Ordering Information

The inquiry should include the model, size, and sample evidence before quotation starts.

Send the exact model name for Quintuplex Plunger Pump QWS550 and any available nameplate data.
State the part name and size for Quintuplex Plunger Pump QWS550, and include an image if the old item can still be compared.
If available, add dimensions, material notes, and a sample photo so the request stays tied to Quintuplex Plunger Pump QWS550 and the working medium and duty point.
Send Quintuplex Plunger Pump QWS550's model name, serial number, plunger size, pressure window, and medium condition before quoting the parts.

Request checklist

For Quintuplex Plunger Pump QWS550, send the model name, serial number, part name, plunger size, photos, dimensions, and material request.

Inquiry & Support

This support block keeps the shipping path tied to Quintuplex Plunger Pump QWS550 instead of a generic family label.

PHONE:+86-13062870081

EMAIL:sales@sjpetroleummachinery.com

ADDRESS:Siji Road, Jingzhou District, Jingzhou City, Hubei Province, China

Packing and delivery

Packing and delivery for Quintuplex Plunger Pump QWS550 should wait until the plunger size and sealing points are clear.

Export packing for Quintuplex Plunger Pump QWS550 can be matched to the final order size after the part details are locked in.
Delivery timing for Quintuplex Plunger Pump QWS550 should be confirmed after the model, size, and material questions are settled.
If the old sample or nameplate data for Quintuplex Plunger Pump QWS550 is incomplete, ask for technical confirmation before the order is placed.

Related Parts

Use nearby spare-parts pages to compare Quintuplex Plunger Pump QWS550 with close family matches before ordering.

Parts on the same unit

plungerlinerpacking setvalve seatvalve insertgasket kit

Related support items

seal kitfastener kitguide sleeve

Series-level spare parts

Next Pages

Keep the Quintuplex Plunger Pump Series spare-parts path connected to the model, series, and support pages.

Model