Koolance Pump, PMP-450S [13mm, 1/2" ID] Laing D5 Strong
The reliable PMP-450S is Koolances highest-flow pump. (If pump speed will be controlled, PMP-450 adjusts more smoothly than PMP-450S.) Maximum Flow Rate: 17.4L/min (4.6 gal/min) @ 12V, 22.3L/min (5.9 gal/min) @ 24V Maximum Head Pressure: 5.1m (16.8ft) @ 12V, 5.8m (19ft) @ 24V Motor: Brushless DC, electronically commutated, spherical motor Expected Lifetime: 50,000 hrs. MTBF (5.7 years) Power: 8-24VDC, 3-55W, 0.13-2.1A Startup Voltage: 9 to 13.2 VDC Maximum System Pressure: 3.5 kgf/cm2 (50 PSI) Maximum Temperature: 60C (140F) Electrical Connector: 4-pin Molex power supply connection + 3-pin (single lead) tach Hose Connections: 13mm (1/2) ID hose barbs Wetted Materials: PPO, Carbon/Allumina Ceramic, EPDM or Viton, 316 SS Noise: Less than 40dBA Weight: 862g (1.9lbs) General Weight 1.20 lb (0.54 kg) Dimensions 3.50 x 3.25 x 4.00 in (8.89 x 8.26 x 10.16 cm) Diagram - pmp-450s_o0.gif Diagram - pmp-450s_d1.gif Diagram - pmp-450s_d0.gif