Concentric AB-W1200 PUMPS-US-2011-7 3 Performance Information The W1200 is one family in the W Series of high performance gear pumps produced by Concentric. The product linewasdesigned foroptimum performance, low noise and low cost on applications that require a speci c displacement range. TheW1200 is well suitedtointernal combustionengine lift truckandcompact constructionvehicle applications. It is a throughbore bushing type design constructed of high strength aluminum housings and rigid cast iron covers. Low pro le valve covers are available for circuits requiring priority flow control and load sense priority flow. These valve con gurations exhibit excellent control of ow variation through the operating range. This catalog illustrates the options available for the W1200 as well as performance and dimensional information. An easy to follow ordering code is also included. OurWSeries gear pump family now includes the following: W100 (.5cc-2.0cc), W300 (.8cc-5.7cc), W600 (3.0cc-12cc), W900 (628cc) WQ900 low noise (6cc-27cc), W1200 (25cc-33cc), W1500 (19cc-50cc). The addition of the W1200 provides an even more focused capability to meet our customer’s application requirements. Hydraulic Gear Pump W1200 NOISE Superior Trapping Con guration Optimum gear pro le FLEXIBILITY SAE Shafts Mounting Flanges Port Styles QUALITY ISO 9001 Registered PRESSURE (P1) 214 BAR (3100 PSI) (P2) 235 BAR (3410 PSI) SPEED 3000 RPM Min. 700 RPM at 3100 PSI (214 BAR) Continuous EFFICIENCY Overall 90% Volumetric 98% Mechanical 92% . . . . . . Model Code 250 270 290 310 330 Displacement cm3/rev 25 27 29 31 33 in3/rev 1.526 1.648 1.770 1.892 2.014 Inlet Pressure min. 0.2 BAR below atmospheric (6 IN.HG) max. 2.0 BAR (29 PSI) Max. Continous Pressure (P1) (BAR 214 BAR PSI) 3100 PSI Max. Intermittent Pressure (P2) (BAR 235 BAR PSI) 3410 PSI Min. Rotational Speed At (P1) 700 RPM Max. Rotational Speed At (P1) 3000 RPM Input Power KW 9.90 10.69 11.48 12.27 13.06 @ P1 @ 1000 RPM HP 13.3 14.3 15.4 16.5 17.5 quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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