1.the use of reliable, 2.high efficiency, 3.easy maintenance technology parameters1.compressor model M2V-20/1-25 Displacement 20m3/h inlet pressure 0.0~0.10Mpa Speed 400r/min piston stroke 95mm shaft power 3.7KW oil temperature≤60°C Cooling water consumption about 400L/h 2.motor model BJ0242-4 pattem B4d Explosion-proof Power 5.5KW Speed 1430r/min3.unitsShape dimension(long X wide X high) ...