活塞用PG环(PGRO系列)活塞用减压耐磨环型号规格尺寸PGRO-3030*24*3PGRO-31.531.5*25.5*3PGRO-3535*29*3PGRO-35.535.5*29.5*3PGRO-4040*33*3.4PGRO-4545*38*3.4PGRO-5050*43*3.4PGRO-5555*48*3.4PGRO-5656*49*3.4PGRO-6060*53*3.4PGRO-6363*56*3.4PGRO-6565*58*3.4PGRO-7070*62*3.8PGRO-7171*63*3.8PGRO-7575*67*3.8PGRO-8080*72*3.8PGRO-9090*82*3.8PGRO-100100*90*4.5PGRO-110110*100*4.5PGRO-112112*102*4.5PGRO-120120*110*4.5PGRO-125125*115*4.5PGRO-140140*130*4.5PGRO-150150*138*5.5PGRO-160160*148*5.5PGRO-170170*158*5.5PGRO-180180*168*5.5PGRO-200200*188*5.5PGRO-224224*212*5.5PGRO-250250*238*5.5活塞用PG环(PGRI系列)活塞杆用减压耐磨环型号规格尺寸PGRI-1818*23*2.5PGRI-2020*25*2.52016年搬迁至昆山花桥镇,nsknok@PGRI-22.422.4*27.4*2.5PGRI-2525*30*2.5PGRI-2828*33*2.5PGRI-3030*36*3PGRI-31.531.5*37.5*3PGRI-3535*41*3PGRI-35.535.5*41.5*3PGRI-4040*46*3PGRI-4545*51*3PGRI-5050*57*3.4PGRI-5353*60*3.4PGRI-5656*63*3.4PGRI-6060*67*3.4PGRI-6363*70*3.4PGRI-6767*74*3.4PGRI-7070*78*3.8PGRI-7171*79*3.8PGRI-7575*83*3.8fsealsTEL-0512-36832563fsealsTEL-0512-36832562PGRI-8080*88*3.8PGRI-8585*93*3.8PGRI-9090*98*3.8PGRI-9595*103*3.8PGRI-100100*110*4.5PGRI-106106*116*4.5PGRI-110110*120*4.5PGRI-112112*122*4.5PGRI-115115*125*4.5PGRI-120120*130*4.5PGRI-125125*135*4.5PGRI-140140*150*4.5PGRI-150150*162*5.5PGRI-160160*172*5.5PGRI-180180*192*5.5)