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Mud Pump
NF-1300 Mud Pump
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Description


Features
1、Power end features
Continuous tooth herringbone gear. One-piece alloy steel crank. Renewable crosshead guide. The frame is made of welded steel plate to provide the frame with high strength, good rigidity and lightweight. The extension rod packing is of duplex seal structure to provide the good seal result. The power end uses the combined lubrication system of forced lubrication and splash lubrication.
2、Crankshaft 
The crankshaft is made of cast alloy steel and is furnished with big geared ring, connecting rod and bearing. The tooth form of the big-geared ring is herringbone gear. The gear bore and the crankshaft surface is interference fitted and they are both fastened with bolts and lock nuts. The big end of the connecting rod is mounted on three eccentric straps of the crankshaft through single row short cylindrical roller bearings and the small end on the crosshead pin through double row long cylindrical roller bearing. Double row radial spherical roller bearings are mounted at both ends of the crankshaft.
3、Cylinders
Cylinders are made of forged alloy steel. Three cylinders of each pump are interchangeable. Valve-over-valve (through type cylinder) design reduces the cylinder volume and promotes the volumetric efficiency. At customers’ request, the cylinder surface may be nickel plated to improve the abrasion resistance.


Parameters
Model Type Rated Stroke Rated Power Gear type Gear Ratio Suction Pipe Diameter
NF-1300 Triplex piston single role 120r/min 969KW Herringbone gear 4.205:1 305mm
Discharge Pipe Diameter Small diameter gear Bond Valve Weight Lubrication
126.5mm5000psi 215.8mm 50.75×50.75mm Valve valve on theAPI#5 24570KG Mandatory increases spatter
 
Stroke
/min
Rated Power Liner diameter(mm)& Pressure Mpa(psi)
180 170 160 150 140 130
18.7 2720 21.0 3050 23.7 3440 27.0 3915 31.0 4495 34.5 5000
  KW HP Displacement(L/S)(gal./s)  
130 1050 1408 50.40 13.32 44.97 11.88 39.83 10.52 35.01 9.25 30.50 8.06 26.30 6.95
120※ 969 1300 46.54 12.29 41.51 10.97 36.77 9.71 32.32 8.54 28.15 7.44 24.27 6.41
110 889 1192 44.66 11.80 38.05 10.05 33.71 8.91 29.62 7.82 25.81 6.82 22.25 5.88
100 808 1083 38.78 10.24 34.59 9.14 30.64 8.10 26.93 7.11 23.46 6.20 20.23 5.34
90 727 975 34.90 9.22 31.13 8.22 27.58 7.29 24.24 6.40 21.11 5.58 18.21 4.81
1     0.3878 0.102 0.3459 0.091 0.3064 0.081 0.2693 0.071 0.2346 0.062 0.2023 0.053
 
Note: 1, volumetric efficiency by 100% and 90% mechanical efficiency by 2, and the recommended number of continuous operation-the input power

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