... running, long service life of easy-worn parts.Stroke of 280mm, speed of 375rpm, piston road diameter ... 70mm, rated piston rod load of 120 KN.2,Model 60/0.3-35 nitrogen methane compressor ... running, long service life of easy-worn parts.Stroke of 280mm, speed of 375rpm, piston road diameter ... reliable running, long service life of easy-worn parts.2,Stroke of 280mm, speed of 375rpm, piston road diameter ...