10 Size P Q Weight R S Weight T Weight N L Weight mm mm kg mm mm kg mm kg mm mm kg Shaft end section Rear section 2nd & 3rd section A1-section 060 - 0,6cc 77,6 44,0 3,1 73,4 25,6 2,7 59,1 1,8 75,1 41,5 2,7 080 - 0,8cc 80,0 45,5 3,2 76,4 27,0 2,8 62,1 1,9 78,1 41,5 2,7 110 - 11,0cc 85,0 47,7 3,4 80,8 29,2 3,0 66,5 2,1 82,5 45,2 3,0 140 - 14,0cc 89,5 50,0 3,5 85,2 31,5 3,1 71,0 2,2 87,0 47,5 3,1 160 - 16,0cc 92,4 51,4 3,6 88,1 33,0 3,2 73,9 2,3 89,9 48,9 3,2 190 - 19,0cc 96,9 53,7 3,7 92,7 35,2 3,4 78,4 2,4 94,4 51,2 3,4 230 - 23,0cc 102,8 56,6 3,9 98,6 38,2 3,5 84,3 2,6 100,3 54,1 3,5 270 - 27,0cc 108,7 59,6 4,1 104,5 41,1 3,7 90,2 3,7 106,2 57,1 3,7 310 - 31,0cc 114,8 62,6 4,3 110,5 44,1 3,9 96,2 3,0 112,2 60,1 3,9 The two following parameters are of the utmost importance when selecting multiple pumps and must never be exceeded: -Drive shaft load index ”A” -Internal coupling load index ”K” Maxi. load index K 5240 for double pump K = (p2 x V2) for triple pump K = (p2 x V2) + (p3 x V3) for quadruple pump K = (p2 x V2) + (p3 x V3) + (p4 x V4) Maximum drive shaft load index ”A”, see table below for double pump A = (p1 x V1) + (p2 x V2) for triple pump A = (p1 x V1) + (p2 x V2) + (p3 x V3) for quadruple pump A = (p1 x V1) + (p2 x V2) + (p3 x V3) + (p4x V4) Drive Load index Drive Load index shaft A shaft A BA 10488 JA 6215 FA 5100 MB 10488 GA 9608 NB 10488 HA 11304 QB 5012 Note: P = actual pressure in bar, V = applicable displacement from table page 4-8. In multiple pumps, shaft end section must have largest displacement. Each consecutive section must have displacement equal to or smaller than section proceeding. Concentric multiple pumps are also available with reduced number of inlets. Please contact Concentric for details. Please, contact Concentric for pump applications requiring independently sealed sections. Shaft end section MULTIPLE PUMPS quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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