U形密封圈截面不对称，带有卸压安装槽盒整体式挡圈。外缘的密封唇缩进，内径与沟槽低径采用过盈配合。静态和动态密封性很好，抗挤出性都好，活塞两侧都有压力是可采用背靠背布置，可靠性高，卸压安全槽可克服动态粘滞应力。适用于重型工程机械，废钢剪切机械。
24245851 T18-40*25*9.3/9.5
24245876 T18-40*25*9.3/10
24245852 T18-45*30*9.3/9.5
24245877 T18-45*30*9.3/10
24245853 T18-50*35*9.3/9.5
24245878 T18-50*35*9.3/10
24245854 T18-55*40*9.3/9.5
24245879 T18-55*40*9.3/10
24245855 T18-60*45*9.3/9.5
24245880 T18-60*45*9.3/10
24245856 T18-63*48*9.3/9.5
24245881 T18-63*48*9.3/10
24245857 T18-65*50*9.3/9.5
24245882 T18-65*50*9.3/10
24245858 T18-70*50*12.2/12.5
24245883 T18-70*50*12.2/13
24298857 T18-70*55*9.3/9.5
24338114 T18-75*55*12.2/12.5
24245859 T18-80*60*12.2/12.5
24245884 T18-80*60*12.2/13
24290783 T18-80*65*9.3/9.5
24315436 T18-85*70*9.3/9.5
24245860 T18-90*70*12.2/12.5
24245885 T18-90*70*12.2/13
24298858 T18-90*75*9.3/9.5
24245861 T18-100*80*12.2/12.5
24245886 T18-100*80*12.2/13
24269439 T18-100*85*9.3/9.5
24345515 T18-105*85*12.2/13
24245862 T18-110*90*12.2/12.5
24245887 T18-110*90*12.2/13
24298411 T18-114*94*12.2/13
24245863 T18-115*95*12.2/12.5
24245888 T18-115*95*12.2/13
24245864 T18-125*100*15.2/15.5
24245865 T18-125*100*15.2/16.2
24245889 T18-125*100*15.2/16
24288858 T18-125*105*12.2/12.5
24269441 T18-130*110*12.2/12.5
24245866 T18-140*115*15.2/16.2
24245890 T18-140*115*15.2/15.5
24275200 T18-140*120*12.2/12.5
24245867 T18-150*120*18.6/19.8
24245891 T18-150*120*18.6/19
24265868 T18-150*130*12.2/12.5
24245868 T18-160*130*18.6/19.8
24245892 T18-160*130*18.6/19
24269443 T18-160*140*12.2/12.5
24274946 T18-170*150*12.2/12.5
24245869 T18-180*150*18.6/19.8
24245893 T18-180*150*18.6/19
24287370 T18-180*160*12.2/12.5
24245870 T18-200*170*18.6/19.8
24245894 T18-200*170*18.6/19
24245895 T18-200*170*18.6/20
24287379 T18-200*175*15.7/16
24337777 T18-220*200*15.7/16
24245871 T18-225*195*18.6/19
24245896 T18-225*195*18.6/19.8
24245872 T18-250*220*18.6/19
24245873 T18-250*220*18.6/20
24245897 T18-250*220*18.6/19.8
24289374 T18-250*225*15.7/16
24245874 T18-280*250*18.6/19.8
24245898 T18-280*250*18.6/19
24245875 T18-300*270*18.6/19.8
24245899 T18-300*270*18.6/19
24245900 T18-320*290*18.6/20
