MJ-400 Portable Valve Grinding and Lapping Machine for ...
Portable Valve Grinding and Lapping Machine 1)grinding diameter: Dia118-Dia450mm 2)used for valve seat of plane globe valve,valve seat of safety valve . 3) spindle speed(rpm):0-900,0-2800 4)the greatest grinding depth: 850 mm 5)Power supply: 220 V/50Hz 6) motor power: 1100W MJ-400 Portable Valve Grinding Machine is a new generation of products ...