The NOV 550T-7 is a three-cylinder single-acting piston mud pump engineered for demanding drilling operations — deep wells, high-flow circulation and high-pressure conditions — combining strong power output with reliable fluid delivery and a robust construction. No factory performance ratings are published in our records for this model; ratings available on request. DOME supports 550T-7 operators with OEM-compatible fluid-end wear parts, including liners, pistons, valves, valve seats, valve springs and packing, manufactured from wear-resistant materials and checked against OEM dimensions. We serve drilling contractors and oilfield supply companies across Canada, the United States and international oil and gas markets.
FAQ
What type of pump is the NOV 550T-7?
It is a three-cylinder single-acting piston mud pump built for demanding drilling service, including deep wells, high-flow operations and high-pressure conditions.
What are the pressure and flow ratings of the 550T-7?
No factory specification figures are published in our records for this model, so ratings available on request. Tell us your liner size and duty conditions and we will help confirm the setup.
Which wear parts does the 550T-7 fluid end use?
Routine wear items are liners, pistons, valves, valve seats, valve springs and packing, with valve covers and fasteners replaced during major overhauls.
Do you keep NOV 550T-7 parts available?
We currently list 0 distinct stocked items for this model, so please contact us for current availability. Common fluid-end wear parts can be produced to order against OEM dimensions.
Can you export 550T-7 parts to Canada or the USA?
Yes. We ship mud pump fluid-end parts under HS code 84139100 to Canada, the United States and international oil and gas regions with full export documentation.