NPH ISO - 4 Holes-ISO Hydraulic Gear Pumps Fluid Mineral or synthetic compatible with the following seals: NBR, FKM, FPM, Nylon Kinematic viscosity suggested Average ambient temp. (ēC) < -10 -10÷10 10÷35 > 35 VG (cSt = mm²/s) 22 32 46 68 Optimale kinematic viscosity VG= 10 cSt ÷ 100 cSt Max kinematic viscosity suggested at the start-up VG= 750 cSt Viscosity index suggested VI > 100 Oil filtering > 200 bar: 10 µm < 200 bar: 25 µm Inlet pressure -0,3 ÷ 2 bar Pump rotation Unidirectional (Right or left) Pump type Rotation IN ISO 228 OUT 1 ISO 228 OUT 2 ISO 228 A mm B mm Weight Kg Right Left NPGH-17 105-011-10173 105-011-10182 G 1/2 G 1/2 168.5 119.5 11 NPGH-22 105-011-10226 105-011-10235 172 121.5 11.5 NPGH-27 105-011-10226 105-011-10280 G 3/4 174.5 124 12 NPGH-34 105-011-10342 105-011-10351 G 3/4 179.5 125 13 NPGH-43 105-011-10431 105-011-10441 185.5 130 13.5 NPGH-51 105-011-10511 105-011-10520 G 1 190.5 130.5 14 NPGH-61 105-011-10619 105-011-10628 196.5 136.5 14.5 NPGH-73 105-011-10735 105-011-10744 204.5 135.5 15 NPGH-82 105-011-10824 105-011-10833 G 1/4 209.5 140.5 15.5 NPGH-82 105-011-10824 105-011-10833 G 1 G 3/4 226.5 154.5 15 NPGH-125 105-011-11252 105-011-11261 242.5 158.5 17

Technical Features

Pump type Displacement cm3/rev Pressure Max. continuous speed rpm Max. intermittent speed rpm Min. speed rpm P1 bar P2 bar P3 bar NPH-17 17.04 290 315 325 2500 3000 300 NPH-22 22.15 NPH-27 26.18 NPH-34 33.88 280 300 310 2200 2800 NPH-43 43.12 270 290 300 2000 2500 NPH-51 50.82 240 260 280 NPH-61 60.06 220 240 250 1800 2000 NPH-73 72.88 200 220 230 1600 1800 NPH-82 81.08 190 210 220 1500 NPH-100 98.18 180 200 NPH-125 122.72 160 180 200 P1 = Max. continuous pressure (100%) P2 = Max. Intermittent pressure (20 sec.max.) P3 = Max. peak pressure (6 sec.max) Anti-clockwise rotation, left pump Clockwise rotation, right pump