303035 Valve Seat
Part 303035 is a valve seat for the fluid end of a reciprocating pump. It is the stationary sealing ring the valve body closes against, forming the pressure-tight one-way seal on the suction and discharge strokes. It fits the W-446 pump and is supplied as an aftermarket replacement for part number 303035, matching the original part's form and fit. The seat weighs about 4.21 lb.
What it is
A valve seat is the stationary sealing ring the valve body closes against; together they form the pressure-tight one-way seal in the fluid end.
Pump compatibility
Specifications
| Property | Value |
|---|---|
| Weight | 4.21 lb (≈ 1.91 kg, converted) |
| Width | 5.00 in / 12.7 cm |
| Height | 2.50 in / 6.4 cm |
| Depth | 5.00 in / 12.7 cm |
Manufacturer technical notes
303035 Valve Seat (SKU:303035), forged from 20CrMnTiH alloy steel (GB/T 3077-2015) with carburizing+quenching (HRC≥62), salt spray tested >1200hrs corrosion-free, API 7K compliant mud pump compatibility, direct replacement for Buckhorn 303035, ISO 15154-E erosion resistance, pressure rating ≥70MPa
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 303035.
FAQ
- Which pump does valve seat 303035 fit?
- It fits the W-446 pump.
- What does the valve seat do?
- It is the stationary ring the valve body seals against; together they form the one-way pressure seal in the fluid end.
- What part number does this replace?
- It is an aftermarket replacement for part number 303035, 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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