Hydraulic Equipment construction machines - 6 Pages

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Catalogue excerpts

Hydraulic Equipment For Compact Construction Machines

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NACHI can meet your requirements in the diversified market of compact construction machinery. There is a growing need for sophisticated diverse compact construction machinery in terms of function, productivity, maneuverability, and versatility. NACHI offers unique solution for this market with our pumps and motors. Due to our extensive studies of piston motor design, NACHI has succeeded in achieving power efficiency, operational stability, and substantial downsizing of the components. Using our comprehensive capabilities, NACHI meets the needs of the world’s market of compact construction machinery. Horizontal...

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PHV Series Travel Motor Features • All-in-One Design All required components for track drive motor are in one unit. (planetary gearbox, hydraulic motor, negative type parking brake, shockless relief valve, anti-cavitation check valve, other optional valve.) • High Reliability All main parts, including special-made angular ball bearing in gearbox, are made and tested by NACHI. • High Efficiency The axial piston motor can maintain good efficiency at high pressure ranges. It reduces engine stall, and enables better machine maneuverability. • Auto Kick Down Speed changed automatically without operating...

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Dimensional Drawings mm(inch) 2-G1/4(DR PORTS) ø24(ø0.94) C' BORE 2-G3/8(A, B PORTS) ø28(ø1.10) C' BORE 16(0.63) 43(1.69) 2-G1/4(DR PORTS) ø24(ø0.94) C'BORE 2-G3/8(A, B PORTS) ø28(ø1.10) C' BORE 16(0.63) Åô 9-M10X1.5 thru 10-M10X1.5 thru 8 UNIFORMLY DISTRIBUTED + 2(SYMBOL Åô) 12-M12X1.75 thru 9 UNIFORMLY DISTRIBUTED + 3(SYMBOL Åô) 12-M12X1.75 thru 9 UNIFORMLY DISTRIBUTED + 3(SYMBOL *) Note: The above drawings are for wheel motors without optional valves. 2-G1/4(DR PORTS) ø24(ø0.94) C' BORE 2-G1/2(A, B PORTS) ø34(ø1.34) C' BORE G1/4(PILOT PORT) ø24(ø0.94) C' BORE 2-G1/4(DR PORTS) ø24(ø0.94) C'...

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PCR Series Slew Motor Features • All in One Design All required components for slew motor are in one unit. (planetary gearbox, hydraulic motor, negative type parking brake, shockless relief valve, anti-cavitation check valve, other optional valve.) • Compact Low height design. • Maintenance-Free The gearbox is lubricated by hydraulic oil. • High Efficiency The axial piston motor can maintain good efficiency at high pressure ranges. • Shockless Shockless relief valves are standard. • Timer Valve Gear Ratio Hyd. motor Max. final displacement displacement cm3/rev (in3/rev) Parking brake torque (Note...

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PVD Series Split Flow Piston Pump Features • Compact Easy installation in the engine room due to very short overall length. • Less Than1% Flow Difference Flow difference between each port is minimum. • High Efficiency Axial piston pump can maintain high efficiency at high pressure ranges. • Total Horsepower Control - The Engine Will Never Stall The constant horsepower control, including feedback from option gear pump, can keep the pump drive power under the engine power curve. • Optional Gear Pump Single or double gear pumps can be installed on the back of piston pump. • Eliminate Piping for the...

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