The OPI 500DC is a compact, industry-standard triplex mud pump rated at 500 HP input power with a rated speed of 165 SPM. Factory data lists a maximum working pressure of 3820 PSI and a maximum flow of 575 GPM, with liner-dependent output: 6.75 in liners deliver 575 GPM at up to 1342 PSI, 6 in liners 454 GPM at up to 1699 PSI, 5 in liners 316 GPM at up to 2442 PSI, and 4 in liners 202 GPM at up to 3820 PSI. Its size and weight suit land rigs and standardized skid-mounted packages. We supply aftermarket fluid-end wear parts for this model, including Liner （缸套）, Piston （活塞）, Valve （阀）, Valve Seat （阀座）, Valve Spring （阀簧） and Packing （盘根）, shipped to Canada, the United States and international oil & gas markets under HS code 84139100.
FAQ
What are the factory ratings of the OPI 500DC?
Factory data rates the OPI 500DC at 500 HP input power, a rated speed of 165 SPM, a maximum working pressure of 3820 PSI and a maximum flow of 575 GPM.
What flow and pressure does the OPI 500DC deliver with different liners?
Per factory data at rated speed: 6.75 in liners deliver 575 GPM at up to 1342 PSI, 6 in liners 454 GPM at up to 1699 PSI, 5 in liners 316 GPM at up to 2442 PSI, and 4 in liners 202 GPM at up to 3820 PSI.
Are OPI 500DC fluid-end parts available?
Availability changes daily. Please contact us for current availability of Liner （缸套）, Piston （活塞）, Valve （阀） and Valve Seat （阀座） for this model.
Can you ship OPI 500DC parts to Canada or the United States?
Yes. We ship mud pump fluid-end parts to Canada, the United States and international destinations under HS code 84139100.
Is the OPI 500DC suitable for skid-mounted packages?
Yes. Its compact size and weight make it a good fit for land rigs and easy to integrate into standardized skid-mounted units.