Concentric AB-CALMA SERIES-EU-2011-7 4 Permissable Pressure vs. Speed Capability 0 100 200 300 400 500 600 700 800 900 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 0 50 100 150 200 250 300 Pressure [bar] Speed [R.P.M.] Design Code “L” Design Code “A” Design Code ”L” CalmaWK9L (WSR Design) Wide operating speed range (WSR) offers low noise operation within the common operating speed range as well as additional low speed capability. This design incorporates additional side plates. Size Code Displacement cc/rev Operating Pressure (P 2 ) bar Max. Speed rpm Min. Speed rpm 060 6,2 250 4000 400 080 8,3 250 4000 400 110 11,3 250 3600 400 140 14,5 250 3300 400 160 16,5 250 3000 400 190 19,6 250 3000 400 230 23,7 210 2800 400 - Operating pressure P 2 : max. 20 sec. loaded following 10 sec. minimum unloaded. Pressure rating at min. speed is max. 100 bar (intermittent). - Operating pressure rating refers to flanged port configuration (210 bar for threaded ports). - Viscosity: minimum 10 mm2/s - Wide Operating Speed feature (Design Code ”L”) offers reduced minimum speed. Valid at P 2 operating pressure, max. 2,5 sec. load duration at 400 rpm. NOTE - Reduced operating pressure results in longer permissable load duration (> 2,5 sec.) and/or reduced speed < 400 rpm. Calma Design - Two Versions Design Code ”A” CalmaWK9A (Standard Design) Standard design offers low noise operations within the common operating speed range. Size Code Displacement cc/rev Operating Pressure (P 2 ) bar Max. Speed rpm Min. Speed rpm 060 6,2 250 4000 500 080 8,3 250 4000 500 110 11,3 250 3600 500 140 14,5 250 3300 500 160 16,5 250 3000 500 190 19,6 250 3000 500 230 23,7 210 2800 500 - Operating pressure P 2 : max. 20 sec. loaded following 10 sec. minimum unloaded. Pressure rating at min. speed is max. 100 bar (intermittent). - Operating pressure rating refers to flanged port configuration (210 bar for threaded ports). - Viscosity: minimum 10 mm2/s Concentric offers two different verisons of Calma pumps: • Code Design“A” CalmaWK9A. Standard design offers low noise operations within the common operating speed range. • Code Design“L” CalmaWK9L. Wide operating speed range offers low noise operation within the common operating speed range as well as additional low speed performance and efficiency. TheLoption is ideally suited for applications like the steering idle mode on a electrical forklift truck. This design incorporates additional side plates.
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