Concentric-F20LS/F30LS LOADSENSE PUMPS-2011-6 4 Continuous Rated pressure bar psi Typical delivery @ rated speed & pressure l/min gpm 23 41.6 11 23 1.41 276 4000 3600 4000 1000 75.7 20 29 53.0 14 29 1.79 276 4000 3400 4000 800 90.8 24 36 64.3 17 36 2.18 276 4000 3200 4000 600 105.9 28 43 75.7 20 43 2.60 276 4000 3000 4000 600 117.3 31 48 87.0 23 48 2.94 276 4000 2800 4000 600 124.9 33 55 98.4 26 55 3.33 250 3625 2500 4000 600 128.7 34 62 109.8 29 62 3.77 228 3300 2500 4000 600 147.6 39 68 121.1 32 68 4.13 228 3000 2500 4000 600 162.7 43 77 140.0 37 77 4.71 190 2700 2500 4000 600 185.4 49 87 155.2 41 87 5.30 170 2375 2300 4000 600 193.0 51 Flow @ 1800 RPM l/min gpm Theoretical displacement per revolution cm3 in3 * Consult representative if application requires greater capacity or has side loads. F20LS Specifications and Application Data Shaft No. 99: 451.9 Nm (4000 in.lb.) torsional capacity.* Rated speed @ rated pressure & .17 bar (6" Hg) vacuum inlet rpm Single Model Series F20LS F20LS Drive Shafts Shaft No. 12: 279.6 Nm (2475 in.lb.) torsional capacity.* Shaft No. 21: 395.7 Nm (3500 in.lb.) torsional capacity.* 1.810 [45.97] 1.500 [38.10] 1.213 [30.81] .250 SQ. KEY X 1.00 LONG [6.35] [25.4] 1.000 DIA. .998 [25.40] [25.34] 1.111 1.101 [28.21] [27.96] R .030 .020 [0.76] [0.50] .500 [12.70] .060 X 45o [1.52] 1.500 [38.10] R .09 .06 [2.28] [1.52] .500 [12.70] .060 X 45o [1.52] 1.62 [41.14] 1.312 [33.32] * Lower speeds are permissible when operating below rated pressure. 1.81 [45.97] Gear Code Unloaded max. speed rpm Min. speed @ rated pressure rpm* SAE "B" SPLINE SAE "BB" SPLINE SAE "BB"STRAIGHT KEY Design flow control should be based on P of 200 PSI across the control orifice. Adjustable Bias Factory Set at 200 PSI (14 BAR). Adjustable System Relief Valve from 1000 - 3000 PSI (69 - 207 BAR) in 250 PSI (15 BAR) increments and from 3000 - 4000 PSI (69 - 276 BAR) in 500 PSI (35 BAR) increments. External Involute Spline Flat Root-Side Fit No. of Teeth - 13 Dia. Pitch - 16/32 Pressure Angle 30° External Involute Spline Flat Root-Side Fit No. of Teeth - 15 Dia. Pitch - 16/32 Pressure Angle 30° quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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