1P Group 1 Hydraulic Gear Pumps 1BK4 Series www.jbj.co.uk/gear-pumps.html #DriveLineHarmony To mount the pump: n. 2 M8 screws, with a torque wrench setting fixed at 23 ± 2.4 Nm. OPTIONS M14x1.5 thread depth 12 mm. M18x1.5 thread depth 12 mm. Upon request, 1BK4 model is also available in “KA” version (G3/8 as inlet port and G1/ 4 as outlet port in the cover). 1BK4 D 1.6 1.1 1.6 230 250 270 6000 33 74 62 1BK4 D 6.7 4.2 6.4 210 230 250 4000 39 86 74 1BK4 D 3.3 2.1 3.2 230 250 270 6000 35 78 66 1BK4 D 5 3.2 4.8 210 230 250 5000 37 82 70 1BK4 D 7.5 4.8 7.2 190 210 230 3500 40 88 76 3 cm /rev litres/mim bar bar bar rpm mm mm mm 1BK4 D 2 1.3 2.0 230 250 270 6000 33,5 75 63 1BK4 D 5.8 3.7 5.6 210 230 250 4500 38 84 72 1500 rev/min P P P Speed L M D I 2 3 1BK4 D 9.2 5.8 8.7 190 210 230 3000 42 92 80 Type Displacement Flow at Maximum Pressure Maximum Dimensions 1BK4 D 2.5 1.6 2.4 230 250 270 6000 34 76 64 1BK4 D 4.2 2.7 4.0 230 250 270 6000 36 80 68 1BK4 D 11.5 8.0 11.9 160 180 200 2100 46 100 88 8Ø M6 26 8 18 L M 71 40 -0.025 +0 2 5.4 M18x1.5 40 10.48 9.52 N 7 -0.064 -0.025 32Ø 65 M14x1.5 n.2 8.6 A A 1:5 A-A INLET OUTLET 18
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