The SMG HPAC-2200B Double Acting Hydraulic Pump Power Pack 240vac features are Electromagnetic valve control allows you to withdraw piston from any position. High and low 2-way speed for quick oil output. The pressure safety valve automatically releases pressure at 700kg/cm to prevent over pressure damage. High pressure is for driving piston and low pressure is for piston reset (CTE-25AD). Oil pipe fitted with quick coupling, which could be ordered at any length. Oil Pipe coupling fitted with PT3/8″ thread.