旋转方向R: 顺时针方向L: 逆时针方向型式理论吐出容积(cm3/rev) 定格压力(kg/cm2 ) 瞬间*高压力(MPa) 旋转速度(r.p.m.) 重量(kg) *低*高GPY-3 2.98 20.6 22.6 700 3000 1.2 GPY-4 4.09 500 GPY-5.8 5.77 GPY-7 7.07 GPY-8 8.01 GPY-9 8.94 1.4 GPY-10 10.06 GPY-11.5 11.55 2500 GPY-3R,GPY-4R,GPY-5.8R,GPY-7R,GPY-8R,GPY-9R,GPY-10R,GPY-11.5R