Triplex Plunger Pump STP350 Spare Parts

Part Overview

The opening note keeps Triplex Plunger Pump STP350 aligned with the documented Plunger / Piston Pump replacement path.

Triplex Plunger Pump STP350 uses the same source file, model family, and inquiry path, which keeps the spare-part review anchored to the right pump.
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

Triplex Plunger Pump STP350 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 Triplex Plunger Pump STP350, the removed part, and the actual interface points.

Compatible model: start with Triplex Plunger Pump STP350 and confirm the removed sample against the source record before ordering.
Compatible series: the series label is only the first step; the actual fit still comes from the measured part and the recorded duty path.
Interchangeable models: for Triplex Plunger Pump STP350, the final call depends on size, pressure window, and the fluid-end path.
Check pressure class, plunger size, and fluid-end layout on Triplex Plunger Pump STP350 before assuming partial interchangeability.

Compatibility reminders

Compatible models: Triplex Plunger Pump STP350 is the primary reference.
Compatible series: Triplex Plunger Pump Series can narrow the search, but the sample still decides the final fit.
Interchangeable models: for Triplex Plunger Pump STP350, the final call depends on size, pressure window, and the fluid-end path.
Partial compatibility: for Triplex Plunger Pump STP350, 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: Fluid End Wear Package keeps Triplex Plunger Pump STP350 tied to the fluid end service path.
Pump domain: Fluid End for Triplex Plunger Pump STP350.
Wear part or non-wear part: confirm whether the item belongs to the wear path for Triplex Plunger Pump STP350 before the order is placed.
Priority path: High for sealing and wear items on Triplex Plunger Pump STP350; medium for support hardware and backups. for Triplex Plunger Pump STP350.

Priority note

On Triplex Plunger Pump STP350, the seal and wear path normally deserves the first review before backup parts are added.

Material / Specification Notes

This section keeps the material and fit details close to the spare-part order path.

Size: the dimensions should be checked from the sample, drawing, or source document rather than assumed from the model name alone.
Material: match the requested material to the working medium, wear level, and service environment.
Hardness / finish: if the source material gives a hardness or finish value, keep that detail tied to the spare-part request.
Connection / interface: the flange face, bolt pattern, shaft fit, sealing groove, or fluid-end interface should be checked before ordering.

Service note

Triplex Plunger Pump STP350 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 Triplex Plunger Pump STP350. 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	Triplex Plunger Pump STP350	-	-	-	-	-	-	Triplex Plunger Pump STP350
Plunger	Triplex Plunger Pump STP350	-	-	STP350 triplex plunger pump is 350HP small-power high-pressure reciprocating pump, used for...	-	-	-	Triplex Plunger Pump STP350

Common Replacement Set

The common set note keeps the replacement bundle close to the maintenance window.

Wear items

plunger
liner
packing set
valve seat
valve insert
gasket kit

Support items

seal kit
fastener kit
guide sleeve

For Triplex Plunger Pump STP350, plunger and liner are often requested together because they share the same wear path.
Keep the sealing parts, wear parts, and backup hardware for Triplex Plunger Pump STP350 in one service check.
Use the replacement set for Triplex Plunger Pump STP350 as the starting point for the maintenance plan.

Maintenance planning

Triplex Plunger Pump STP350 needs the wear kit checked against the exact size and duty point on the removed sample.

The spare-parts set for Triplex Plunger Pump STP350 is easier to plan when the wear items and support items are checked as one bundle.

Ordering Information

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

Send the exact model name for Triplex Plunger Pump STP350 and any available nameplate data.
State the part name and size for Triplex Plunger Pump STP350, and include an image if the old item can still be compared.
If available, add dimensions, material requests, and a sample photo of the removed part for Triplex Plunger Pump STP350 and small cementing, acidizing, and well washing operations.
Send Triplex Plunger Pump STP350's model name, serial number, plunger size, pressure window, and medium condition before quoting the parts.

Request checklist

When the part for Triplex Plunger Pump STP350 is tied to small cementing, acidizing, and well washing operations, add the measured sample and any plunger-size or pressure note at the same time.

Inquiry & Support

This support block keeps the shipping path tied to Triplex Plunger Pump STP350 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

Once the fit questions are settled, the shipment plan can be matched to Triplex Plunger Pump STP350's pump-end parts set.

Export packing for Triplex Plunger Pump STP350 can be matched to the final order size after the part details are locked in.
Delivery timing for Triplex Plunger Pump STP350 is best fixed only after the model, size, and material points are clear.
If the old sample or nameplate data for Triplex Plunger Pump STP350 is incomplete, ask for technical confirmation before the order is placed.

Related Parts

Related pages help the buyer check sibling models inside the same branch without losing the current model reference.

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

Model