供应RA0020真空泵排气量:20m3/h真空度:0.5mbar电源：220/380V（三相）马达功率：0.75kw吸气口径:G3/4***小起订：1台油润滑旋片式真空泵R5/RA系列R5-0003,R5-0006,R5-0008,R5-0010,R5-0016,R5-0020,R5-0025,R5-0040,R5-0063,R5-0100,R5-0160,R5-0165，R5-0202,R5-0205,R5-0250,R5-0255,R5-0302,R5-0305,R5-0400,R5-0502R5-630,R5-1000,R5-1600,RA-0165,0202,0205,0250,0255,0302,0305,0400,0502,0630。)