Shijiazhuang Dongli Petroleum Machinery (DLSY) manufactures replacement fluid-end parts for the NOV 9-P-90 mud pump. The catalog covers liners in bore sizes from 4 in up to 6-1/2 in (MK-0255 series), a valve, piston rod MK-0259-A, extension rod MK-16-0260, rod clamp MK-24-0260, liner packing and valve cover gasket — 18 distinct items in all. Parts are exported to Canada, the United States and international oil and gas markets under HS code 84139100.
FAQ
Which liner sizes does DLSY stock for the NOV 9-P-90?
Cataloged sizes include 4-1/2 in (MK-0255-44), 5 in (MK-0255-50), 5-1/2 in (MK-0255-54), 6 in (MK-0255-60), 6-1/4 in (MK-0255-62) and 6-1/2 in (MK-0255-64). A 4 in size is listed without a part number; ask us for current availability.
What other 9-P-90 fluid-end parts are available besides liners?
We also supply the valve, piston rod MK-0259-A, extension rod MK-16-0260, rod clamp MK-24-0260, liner packing MKG-0768 and valve cover gasket MK-61-0255 — 18 distinct items in total.
Are these original NOV parts?
No. DLSY is an independent manufacturer of replacement parts made to fit the NOV 9-P-90. Quote the MK part number or the liner bore size and we will match it.
Can you ship 9-P-90 parts to Canada or the United States?
Yes, we export regularly to Canada, the United States and international oil and gas markets. Parts are classified under HS code 84139100 for customs clearance.
How should I order liners for my 9-P-90?
The fastest way is to quote the MK-0255 part number for your bore size. If you only know the liner diameter, send that and our team will identify the correct part.