61755 Performance Curve* 120 (1.97) 80 (1.31) 40 (0.655) 0 1000 2000 3000 4000 5000 (69) (138) (207) (276) (345) OUTPUT PRESSURE, PSI (BAR) 61756 Performance Curve* 60 (0.983) 40 (0.655) 20 (0.328) 0 2000 4000 6000 8000 10000 (138) (276) (414) (552) (689) OUTPUT PRESSURE, PSI (BAR) LIQUID FLOW IN3/MIN (LTR3/MIN) LIQUID FLOW IN3/MIN (LTR3/MIN) * Air Drive Pressure (SOLID Lines) / Air Drive Flow (DASHED Lines) A ten cubic inch accumulator (Part Number 62601) is available to increase the clamping speed if needed. Contact our Technical Sales Department for details. The “Shoebox” Pump is a low cost, compact unit used on smaller hydraulic circuits. Its small size offers the versatility of mounting on wheels (such as a workcart) and moving the pump from workstation to workstation. Like the High Volume Pump, this pump allows independent control of multiple workstations. Jergens Air-Powered Hydraulic Pumps are used as a power source to activate Hydraulic Clamps. Shop air is introduced into the Filter/Regulator and converted to hydraulic pressure. These pumps are available in two styles: the High Volume Pump (61761 and 61762) with Boost Ratios of 20:1 and 50:1 and the standard, more compact “shoebox” pump (61755 and 61756) with Boost Ratios of 36:1 and 71:1. The Air-Powered Hydraulic Pumps are easy to use, energy efficient, versatile and affordable. They are completely self-contained and do not require any external reservoirs or motors. NOTE: See page 218 for Valve and Subplate options. Air-Powered Hydraulic Pumps Shoebox™ Pumps Pump Kits The 61757 Pump Kit includes a 61755 Pump (36:1 Ratio), a 61642 Four-Way, Zero-Leakage Valve, a 61647 Subplate, and a 60703 gauge (6000 psi). The valve, subplate and gauge are supplied mounted on the pump. The 61758 Pump Kit includes a 61756 Pump (71:1 Ratio), a 61642 Four-Way, Zero-Leakage Valve, a 61647 Subplate, and a 60706 gauge (10,000 psi). The valve, subplate and gauge are supplied mounted on the pump. Specifications Part Number 61755 61756 Reservoir Capacity (cu. in.) 300 300 Minimum Input (psi) 25 25 Maximum Input (psi) 125 85 Boost Ratio 36:1 71:1 Maximum Output 4500 6000 Free Flow (psi) @100 psi (cu.in./min.) 100 50 Weight (lbs.) 24 24 Part Number 61757 includes: Part Number 61758 includes: 61755 36:1 Pump 61756 71:1 Pump 61642 Four-way, zero-leakage valve 61642 Four-way, zero-leakage valve 61647 Subplate 61647 Subplate 60703 6000 psi gauge 60706 10,000 psi gauge 61757 61758 POWER CLAMPING workholding solutions POWER CLAMPING Jergens, Inc. | 15700 S. Waterloo Road | Cleveland, Ohio 44110-3898 USA 214
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