303036 Valve Body w/ Insert

Part 303036 is a valve body with insert, a fluid-end valve part that belongs to the valve set controlling one-way flow on the suction and discharge strokes. It fits the W-446 pump and is supplied as an aftermarket replacement for part number 303036, matching the original part's form and fit. The valve body weighs about 3.24 lb.
What it is
This valve part belongs to the fluid-end valve set that controls one-way flow through the pump on the suction and discharge strokes.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 3.24 lb (≈ 1.47 kg, converted) |
| Width | 5.00 in / 12.7 cm |
| Height | 3.50 in / 8.9 cm |
| Depth | 5.00 in / 12.7 cm |
Manufacturer technical notes
Valve Body w/ Insert (SKU:303036), forged 42CrMo alloy steel (tensile ≥1080MPa) with induction hardening + chrome plating (HRC58-62), salt spray tested >1500hrs corrosion-free, API 7K compliant, pressure-resistant ≥70MPa, compatible with FMC/Kerr pumps, ISO 9001 certified
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 303036.
FAQ
- Which pump does valve body 303036 fit?
- It fits the W-446 pump.
- What is this valve body part of?
- It is part of the fluid-end valve set that controls one-way flow through the pump on the suction and discharge strokes.
- What part number does this replace?
- It is an aftermarket replacement for part number 303036, supplied to match the original part's form and fit.
Related parts
All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.
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