CP International, Inc.
Mud Pumps
F-Series pumps are rated at long stroke length and relatively low strokes per minute, thus they improve the suction performance and increase the service life of the expendable parts on the fluid end.

Our F-Series Mud Pumps feature an advanced and durable design with interchangeable suction and discharge valves, and dual lubrication system.

Features
Continuous tooth herringbone gear
One-piece alloy steel crankshaft
Renewable crosshead guides
Frame fabricated with steel plate weldments
Double compartmentalized construction for extension rod packing.
Power end utilizing the combination lubrication system of forced lubrication and splash lubrication
The fluid end consists of three interchangeable forged valve over valve construction, which can be nickel plated according to customers’ requirement.
Liner are positioned by screwed pot covers

F-1300/1600 mud pumps are equipped with a hoisting device for easy replacement of liners from the frame top.

◆ Power End
Continuous tooth herringbone gear
Alloy steel crankshaft
Renewable cross-head guides
Welded steel plate frame with high strength, good rigidity and light weight

Extension rod of double compartmentalized construction with excellent sealing performance.
Combination lubrication system of forced lubrication and splash lubrication

◆ Frame
The crankshaft, a casted alloy steel eccentric shaft, is furnished with herringbone ring gear, connection rods and bearings. The ring gear bore and the crankshaft surface is of interference fit and fastened with bolts and lock nuts.The big end of each connection rod is mounted on each eccentric strap of the crankshaft via the single row short cylindrical roller bearing. The small end of each connection rod is mounted on the crosshead pin via the double row long cylindrical roller bearing. Double row radial spherical roller bearings are mounted on either end of the crankshaft.

◆ Crank Shaft










  
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Mud Pumps
F500/800/1000/1300/1600/2200
The crankshaft, a casted alloy steel eccentric shaft, is furnished with herringbone ring gear, connection rods and bearings. The ring gear bore and the crankshaft surface is of interference fit and fastened with bolts and lock nuts.The big end of each connection rod is mounted on each eccentric strap of the crankshaft via the single row short cylindrical roller bearing. The small end of each connection rod is mounted on the crosshead pin via the double row long cylindrical roller bearing. Double row radial spherical roller bearings are mounted on either end of the crankshaft.

◆ Valve Assembly














The suction valve and the discharge valve are interchangeable.
F-500 mud pump uses API 5# valves.
F-800 and F-1000 mud pumps use API 6# valves.
F-1300, F-1600 and F-1600HL mud pumps use API 7# valves.
F-2200 and F-2200HL mud pumps use API 8# valves.

● Models and Specifications of F series Mud Pumps