Discharge Valve; Abrasion Resistant
This abrasion-resistant discharge valve is a fluid-end valve part that releases pumped fluid on the pressure stroke. The "abrasion resistant" designation marks it as the variant intended for service with abrasive or solids-laden fluids. It is supplied as an aftermarket replacement for part number 303179 and weighs about 1.76 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.
Specifications
| Property | Value |
|---|---|
| Weight | 1.76 lb (≈ 0.80 kg, converted) |
| Width | 9.5 cm |
| Height | 8.3 cm |
| Depth | 3.25 in / 8.3 cm |
Manufacturer technical notes
Abrasion-Resistant Discharge Valve (SKU 303179), forged from ASTM A351 CF8M stainless steel (2-3% Mo), coated with TiN-Ni/G composite layer (≥0.2mm thickness) via plasma spraying, hardness 9800 MPa, 1000h salt spray corrosion-free, API 7K-compliant high-pressure mud pump application
Verbatim from the Dongli product page on dlhddrilling.com.
Replacement / interchange
Aftermarket replacement cross-referencing 303179.
FAQ
- What does "abrasion resistant" mean for this valve?
- It identifies the valve as the variant intended for service with abrasive or solids-laden pumped fluids.
- What does this discharge valve do?
- It is a fluid-end discharge valve part, releasing pumped fluid on the pressure stroke as part of the pump's one-way flow control.
- What part number does it replace?
- It is an aftermarket replacement that interchanges with part number 303179.
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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