OTC Dual master Jr. Two-Stage Hand Pump have extra-large reservoirs (125 cu. in. the usable oil) and permit use with large hydraulic rams or in multiple small ram applications. The compact and lightweight Dual master Jr. provides maximum flexibility with minimum effort in a portable pump. Providing high oil volume (2.6 cu. in. per stroke) for rapid ram approach and return. Then they automatically switch at 300 PSI to the high pressure low volume stage (.16 cu. in. per stroke) for high force applications. The non-vented reservoir with safety relief valve to prevent over-pressurization of the reservoir. Piston stroke is 3/4 inch Its maximum handle effort is 130 pounds at 10000 PSI. The 4017 has a 4-way valve for use with double-acting rams. Two versatile hydraulic pumps dependable power for automotive heavy-duty truck agricultural and construction maintenance needs. The pump with a 4-way valve for use with double-acting rams. It delivers 2.6 cu. in. of oil per stroke in low pressure stage.
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