格莱圈由一个橡胶O型圈及聚四氟乙烯圈组合而成。O型圈施力，格来圈为双作用活塞密封。摩擦力低，无爬行，启动力小，耐高压。
孔用格莱圈规格：
GSF1400L GSF4100 4
GSF1400 GSF4200 420*395.5*8.1
GSF1450 GSF4300 430*405.5*8.1
GSF1500 GSF4350 435*410.5*8.1
GSF1550 GSF4400 440*415.5*8.1
GSF1600 GSF4500 450*425.5*8.1
GSF1650 GSF4600 460*435.5*8.1
GSF1700 GSF4700 470*445.5*8.1
GSF1750 GSF4800 480*455.5*8.1
GSF1800 GSF4900 490*465.5*8.1
GSF1900 GSF5000 500*457.5*8.1
GSF2000 200*189*8.1 GSF5100 5
GSF2100 2 GSF5200 520*495.5*8.1
GSF2200 220*199*8.1 GSF5300 530*505.5*8.1
GSF2300 230*209*8.1 GSF5400 540*515.5*8.1
GSF2400 240*219*8.1 GSF5500 550*525.5*8.1
GSF2500 250*229*8.1 GSF5600 560*535.5*8.1
GSF2600 260*239*8.1 GSF5700 570*545.5*8.1
GSF2700 270*249*8.1 GSF5800 580*555.5*8.1
GSF2750 275*254*8.1 GSF6000 600*575.5*8.1
GSF2800 280*259*8.1 GSF6100 6
GSF2900 290*269*8.1
GSF3000 300*279*8.1
GSF3100 3
GSF3200 320*299*8.1
GSF3300 330*305.5*8.1
GSF0200L 20*15.1*2.2 GSF0600H 60*44.5*6.3
GSF0200 20*12.5*3.2 GSF0630 63*52*4.2
GSF0240L 24*19.1*2.2 GSF0630H 63*47.5*6.3
GSF0240 24*16.5*3.2 GSF0640 64*53*4.2
GSF0250 25*17.5*3.2 GSF0640H 64*48.5*6.3
GSF0250H 25*14*4.2 GSF0650 65*54*4.2
GSF0280 28*20.5*3.2 GSF0650H 65*49.5*6.3
GSF0280H 28*17*4.2 GSF0700 70*59*4.2
GSF0300 30*22.5*3.2 GSF0700H 70*54.5*6.3
GSF0300H 30*19*4.2 GSF0750 75*64*4.2
GSF0320 32*24.5*3.2 GSF0750H 75*59.5*6.3
GSF0320H 32*21*4.2 GSF0800L 80*69*4.2
GSF0350 35*27.5*3.2 GSF0800 80*64.5*6.3
GSF0350H 35*24*4.2 GSF0850L 85*74*4.2
GSF0360 36*28.5*3.2 GSF0850 85*69.5*6.3
GSF0360H 36*25*4.2 GSF0900L 90*79*4.2
GSF0380 38*30.5*3.2 GSF0900 90*74.5*6.3
GSF0380H 38*27*4.2 GSF0950L 95*84*4.2
GSF0400L 40*32.5*3.2 GSF0950 95*79.5*6.3
GSF0400 40*29*4.2 GSF1000L
GSF0450L 45*37.5*3.2 GS