NF-2200 mud pump

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)CrankshaftThe 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.ParametersModelTypeRated StrokeRated PowerGear typeGear RatioSuction Pipe DiameterNF-2200Triplex piston single role105 r/min1640kwHerringbone gear3.512:1305mmDischarge Pipe DiameterSmall diameter gearBondValveWeightLubrication130mm 5000psi254mm63.5×44.45mmValve valve on theAPI#838460kgMandatory increases spatter Stroke /minRated PowerLiner diameter(mm)& Pressure Mpa(psi) 23022021020019019.0276020.8301522.8331025.1364527.94040KWHPDisplacement(L/S)(gal./s)*1051640220077.65123171.05112664.73102658.7293152.99840901406188666.56105560.9096555.4988050.3379845.42720801250167659.1693854.1385849.3278244.7470940.37640701094146751.7682047.3675143.1668439.1462035.3356060937125744.3770340.6064436.9958633.5553230.2848050781104836.9758633.8353630.8348927.9644325.2340010.739511.720.676610.720.61659.7720.55928.8630.50478.000 Stroke /minRated PowerLiner diameter(mm)& Pressure Mpa(psi)18017016015014031.0450534.5500034.5500034.5500034.55000KWHPDisplacement(L/S)(gal./s)*1051640220047.5675442.4267237.5859633.0352428.77456901406188640.7764636.3657632.2151128.3144924.66391801250167636.2457432.3251228.6345425.1639921.92347701094146731.7150328.2844825.0539722.0234919.1830460937125727.1843124.2438421.4734018.8729916.4426150781104822.6535920.2032017.8928415.7324913.7021710.45307.1800.40406.4040.35795.6730.31464.9860.27404.343Note: 1, volumetric efficiency by 100% and 90% mechanical efficiency by 2, and the recommended number of continuous operation-the input power