NF Series Mud Pump

Product Description

Main Features
Power end
The frame is a welded structure with steel plate, high strength, rigidity and light weight.

Adopting herringbone gear drive, running smoothly.
The crankshaft is made of alloy steel, the crosshead guide is replaceable.
Adopting roller bearing, which enhances running smoothness and loading capacity.

The seal fittings for piston rod are a unique and advanced structure, with excellent seal performance.
At the important locations such as gears, bearings and crosshead etc. We adopt forced and splash lubrication mode

Fluid end
The hydraulic cylinder is straight pass-through structure, it can make the fluid flow smoothly, volumetric efficiency higher and structure compact.
The three hydraulic cylinders are interchangeable.
The cylinder head and valve pot cover can be rapidly tightened, convenient for assembly and teardown.

The suction valve and discharge valve can be interchanged
The piston and liner bore are open wide structure, convenient for observing Adopting the spiral locknut, convenient for assembly and teardown.

Model	F- 500F	F-800	F-1000	F-1300F	F-1600F
Type	triplex single action piston pump	triplex single action piston pump	triplex single action piston pump	triplex single action piston pump	triplex single action piston pump
Rated input power	373kW	597kW	746kW	969kW	1193kW
Rated input power	( 500hp )	( 800hp )	( 1000hp )	( 1300hp )	( 1600hp )
Rated speed	120 stroke/minute	150 stroke/minute	140 stroke/minute	120 stroke/minute	120 stroke/minute
Rated speed	( 120SPM )	( 150SPM )	( 140SPM )	( 120SPM )	( 120SPM )
Max. liner bore × stroke	170× 229mm	170× 229mm	170× 254mm	180× 305mm	180× 305mm
Max. liner bore × stroke	6.6930 ″ ×9 ″	6.6930 ″ ×9 ″	6.6930 ″ ×10 ″	7.0867 ″ ×12 ″	7.0867 ″ ×12 ″
Gear type	Herringbone (double-spiral)	Herringbone (double-spiral)	Herringbone (double-spiral)	Herringbone (double-spiral)	Herringbone (double-spiral)
Gear ratio	3.962:1	4.185:1	4.207:1	4.206:1	4.206:1
Lubrication	force and splash	force and splash	force and splash	force and splash	force and splash
Suction flange	8 ″ ( 203mm )	10 ″( 254mm )	12 ″( 305mm )	12 ″( 305mm )	12 ″( 305mm )
Discharge flange	103mm - 35MPa	130mm -35MPa	130mm -35MPa	130mm -35MPa	130mm -35MPa
	GB3165.2-82	GB3165.2-82	GB3165.2-82	GB3165.2-82	GB3165.2-82
	4 ″ - 5000psi	5 1 / 8 ″ - 5000 psi	5 1 / 8 ″ - 5000 psi	5 1 / 8 ″ - 5000 psi	5 1 / 8 ″ - 5000 psi
Pinion shaft diameter and extension	139.7× 257mm	177.8× 324mm	196.9× 337mm	215.9× 337mm	215.9× 337mm
Pinion shaft diameter and extension	5 1 / 2 ″ ×10 1 / 8 ″	7 ″ ×12 3 / 4 ″	7 3 / 4 ″ ×13 1 / 4 ″	8 1 / 2 ″ ×13 1 / 4 ″	8 1 / 2 ″ ×13 1 / 4 ″
Key	31.75× 31.75mm	44.45× 44.45mm	50.8× 50.8mm	50.8× 50.8mm	50.8× 50.8mm
Key	1 1 / 4 ″ ×1 1 / 4 ″	1 3 / 4 ″ ×1 3 / 4 ″	2 ″ ×2 ″	2 ″ ×2 ″	2 ″ ×2 ″
Valve pot	API6 #	API6 #	API6 #	API7 #	API7 #
Overall dimension	3400×1950× 1440mm	3963×3024× 1694mm	4269×3167× 1818mm	4426×3260× 2004mm	4426×3260× 2004mm
Overall dimension	133 7 / 8 ″ ×76 3 / 4 ″ ×56 11 / 16 ″	156 ″ ×119 ″ ×66 11 / 16 ″	168 ″ ×124 5 / 8 ″ ×71 9 / 16 ″	174 1 / 4 ″ ×128 3 / 8 ″ ×78 7 / 8 ″	174 1 / 4 ″ ×128 3 / 8 ″ ×78 7 / 8 ″
Weight of main body	10350 kg	14500 kg	18790 kg	24532 kg	24715 kg
Weight of main body	22818 lb	31967 lb	41425 lb	54084 lb	54487 lb