DLSY (Shijiazhuang Dongli Petroleum Machinery) keeps 133 distinct replacement items for the NOV 8-P-80 mud pump, including 25 liner, 38 piston, 16 valve and 6 spring items. The pump is factory-rated at 180 PSI maximum working pressure, 5000 GPM maximum flow and 120 SPM rated speed. We supply Grayloy liners and Black Cat pistons sized for this fluid end and export under HS code 84139100 to Canada, the United States and international oil & gas markets.
FAQ
Which 8-P-80 fluid-end parts does DLSY stock?
We hold 133 distinct items for the NOV 8-P-80: 25 liner items, 38 piston items, 16 valve items and 6 spring items, covering the main wear parts of the fluid end.
What liner sizes do you offer for the NOV 8-P-80?
We stock Grayloy liners in 4 in, 4-1/4 in, 4-1/2 in, 4-3/4 in, 5 in and 5-1/4 in, together with Black Cat pistons in 5 in, 5-1/4 in and 5-1/2 in — all dimensioned for the 8-P-80 fluid end.
What are the factory ratings of the NOV 8-P-80?
Per factory data: 180 PSI maximum working pressure, 5000 GPM maximum flow and a rated speed of 120 SPM.
Are your 8-P-80 parts interchangeable with OEM?
Yes. Our liners, pistons, valves and springs are aftermarket replacements made to the dimensional requirements of the NOV 8-P-80 fluid end. Provide your OEM part number and we will cross-reference it before shipment.
How long do 8-P-80 liners and pistons last?
Service life depends on mud abrasiveness, pressure and maintenance practice rather than a fixed hour rating. Choosing the correct liner size for your duty and renewing pistons, valves and springs as a set gives the best wear life.
Do you ship 8-P-80 parts internationally?
Yes — we export regularly to Canada, the United States and other international oil & gas markets under HS code 84139100.