RUGAO YAOU CO., LTD.
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Home» New products » NF-1000 Mud Pump

NF-1000 Mud Pump

NF-1000 Mud Pump
Model: NF-1000
Brand Name: YAOU
Materials: steel
Payment Terms : L/C,T/T,Western Union
Product Details
Continuous tooth herringbone gear. One-piece alloy steel crank. Renewable crosshead guide

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-1000 Triplex piston single role 140r/min 746KW Herringbone gear 4.206:1 305mm
Discharge Pipe Diameter Small diameter gear Bond Valve Weight Lubrication
126.5mm5000psi 196.8mm 50.75×50.75mm Valve valve on theAPI#5 18780KG Mandatory increases spatter

Stroke
/min
Rated
Power
Liner diameter(mm)& Pressure Mpa(psi)
170 160 150 140 130 120 110
16.4 2378 18.5 2682 21.1 3060 24.2 3509 28.0 4060 32.9 4770 34.3 4973
KW HP Displacement(L/S)(gal./s)
150 799 1072 43.24 11.42 38.30 10.12 33.66 8.89 29.33 7.75 25.29 6.68 21.55 5.69 18.10 4.78
140? 746 1000 40.36 10.66 35.57 9.40 31.42 8.30 27.37 7.23 23.60 6.23 20.11 5.31 16.90 4.46
130 692 929 37.47 9.90 33.20 8.77 29.18 7.71 25.43 6.72 21.91 5.79 18.67 4.93 15.69 4.14
120 639 857 34.59 9.14 30.64 8.09 26.93 7.11 23.46 6.20 20.23 5.34 17.24 4.55 14.48 3.83
110 586 786 31.71 8.38 28.09 7.42 24.69 6.52 21.51 5.68 18.54 4.90 15.80 4.17 13.28 3.51
100 533 714 28.83 7.62 25.53 6.74 22.44 5.93 19.55 5.16 16.86 4.45 14.36 3.79 12.07 3.19
1 0.2883 0.076 0.2553 0.067 0.2244 0.059 0.1955 0.052 0.1686 0.045 0.1436 0.038 0.1207 0.032

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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