The GSM is a double-lip wiper seal used in hydraulic or pneumatic systems; it combines the wiping capability of a U-cup seal and effective protection against ingress of contaminants into the sealing system. The seal outer diameter is designed stepped for optimal contact force and good positioning. The GSM wiper is an ideal scraper which is suitable for a wide temperature range and can be used with various media.
| Pressure | Speed | Temperature | Media |
| - | 1m/s |
NBR: -30℃ ~ 105℃ FKM: -20℃ ~ 220℃ |
Hydraulic Oils, water, steam |

| Part No. | d f8/h9 | D3 H9 | L3+0.2 | D4 H1 1 | a min. | B |
| GSM0200 | 20 | 28 | 6 | 23.5 | 2 | 8 |
| GSM0220 | 22 | 30 | 6 | 25.5 | 2 | 8 |
| GSM0240 | 24 | 32 | 6 | 27.5 | 2 | 8 |
| GSM0250 | 25 | 33 | 6 | 28.5 | 2 | 8 |
| GSM0280 | 28 | 36 | 6 | 31.5 | 2 | 8 |
| GSM0300 | 30 | 38 | 6 | 33.5 | 2 | 8 |
| GSM0320 | 32 | 40 | 6 | 35.5 | 2 | 8 |
| GSM0350 | 35 | 43 | 6 | 38.5 | 2 | 8 |
| GSM0360 | 36 | 44 | 6 | 39.5 | 2 | 8 |
| GSM0370 | 37 | 45 | 6 | 40.5 | 2 | 8 |
| GSM0380 | 38 | 46 | 6 | 41.5 | 2 | 8 |
| GSM0400 | 40 | 48 | 6 | 43.5 | 2 | 8 |
| GSM0420 | 42 | 50 | 6 | 45.5 | 2 | 8 |
| GSM0450 | 45 | 53 | 6 | 48.5 | 2 | 8 |
| GSM0460 | 46 | 54 | 6 | 49.5 | 2 | 8 |
| GSM0480 | 48 | 56 | 6 | 51.5 | 2 | 8 |
| GSM0500 | 50 | 58 | 6 | 53.5 | 2 | 8 |
| GSM0520 | 52 | 60 | 6 | 55.5 | 2 | 8 |
| GSM0550 | 55 | 63 | 6 | 58.5 | 2 | 8 |
| GSM0560 | 56 | 64 | 6 | 59.5 | 2 | 8 |
| GSM0600 | 60 | 68 | 6 | 63.5 | 2 | 8 |
| GSM0630 | 63 | 71 | 6 | 66.5 | 2 | 8 |
| GSM0650 | 65 | 73 | 6 | 68.5 | 2 | 8 |
| GSM0680 | 68 | 76 | 6 | 71.5 | 2 | 8 |
| GSM0700 | 70 | 78 | 6 | 73.5 | 2 | 8 |
| GSM0750 | 75 | 83 | 6 | 78.5 | 2 | 8 |
| GSM0800 | 80 | 88 | 6 | 83.5 | 2 | 8 |
| GSM0850 | 85 | 93 | 6 | 88.5 | 2 | 8 |
| GSM0900 | 90 | 98 | 6 | 93.5 | 2 | 8 |
| GSM0950 | 95 | 103 | 6 | 98.5 | 2 | 8 |
| GSM1000 | 100 | 108 | 6 | 103.5 | 2 | 8 |
| GSM1050 | 105 | 117 | 8.2 | 110 | 3 | 11 |
| GSM1100 | 110 | 122 | 8.2 | 115 | 3 | 11 |
| GSM1150 | 115 | 127 | 8.2 | 120 | 3 | 11 |
| GSM1200 | 120 | 132 | 8.2 | 125 | 3 | 11 |
| GSM1250 | 125 | 137 | 8.2 | 130 | 3 | 11 |
| GSM1300 | 130 | 142 | 8.2 | 135 | 3 | 11 |
| GSM1350 | 135 | 147 | 8.2 | 140 | 3 | 11 |
| GSM1400 | 140 | 152 | 8.2 | 145 | 3 | 11 |
| GSM1450 | 145 | 157 | 8.2 | 150 | 3 | 11 |
| GSM1500 | 150 | 162 | 8.2 | 155 | 3 | 11 |
| GSM1550 | 155 | 167 | 8.2 | 160 | 3 | 11 |
| GSM1600 | 160 | 172 | 8.2 | 165 | 3 | 11 |
| GSM1650 | 165 | 177 | 8.2 | 170 | 3 | 11 |
| GSM1700 | 170 | 182 | 8.2 | 175 | 3 | 11 |
| GSM1800 | 180 | 192 | 8.2 | 185 | 3 | 11 |
| GSM1850 | 185 | 197 | 8.2 | 190 | 3 | 11 |
| GSM1900 | 190 | 202 | 8.2 | 195 | 3 | 11 |
| GSM1950 | 195 | 207 | 8.2 | 200 | 3 | 11 |
| GSM2000 | 200 | 212 | 8.2 | 205 | 3 | 11 |
| GSM2050 | 205 | 220 | 9.5 | 212 | 3 | 13 |
| GSM2100 | 210 | 225 | 9.5 | 217 | 3 | 13 |
| GSM2200 | 220 | 235 | 9.5 | 227 | 3 | 13 |
| GSM2250 | 225 | 240 | 9.5 | 232 | 3 | 13 |
| GSM2400 | 240 | 255 | 9.5 | 247 | 3 | 13 |
| GSM2500 | 250 | 265 | 9.5 | 257 | 3 | 13 |
| GSM2600 | 260 | 275 | 9.5 | 267 | 3 | 13 |
| GSM2750 | 275 | 290 | 9.5 | 282 | 3 | 13 |
| GSM2800 | 280 | 295 | 9.5 | 287 | 3 | 13 |
| GSM2900 | 290 | 305 | 9.5 | 297 | 3 | 13 |
| GSM3000 | 300 | 315 | 9.5 | 307 | 3 | 13 |
| GSM3100 | 310 | 325 | 9.5 | 317 | 3 | 13 |
| GSM3200 | 320 | 335 | 9.5 | 327 | 3 | 13 |
| GSM3500 | 350 | 365 | 9.5 | 357 | 3 | 13 |
| GSM3600 | 360 | 375 | 9.5 | 367 | 3 | 13 |
| GSM3700 | 370 | 385 | 9.5 | 377 | 3 | 13 |
| GSM4000 | 400 | 415 | 9.5 | 407 | 3 | 13 |
| GSM4400 | 440 | 455 | 9.5 | 447 | 3 | 13 |