GSI
The GSI reverse-lip seal consists of an O-ring and a polytetrafluoroethylene (PTFE) sealing ring.
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Introduction
Technical information
Technical Parameters:
- Pressure: 40MPa
- Speed: 5m/s
- Temperature: -45°C to +200°C (depending on the O-ring material)
- Media: Mineral hydraulic oil, fire-resistant hydraulic oil, environmentally friendly hydraulic oil, water, air, and other media (depending on the O-ring material)
Clearance: The maximum allowable radial clearance emax is determined by the working pressure and the functional diameter, as indicated in the table.
Installation Dimension:
| Rod Diameter d | Groove Diameter | Groove Width | Radius | e max | O Ring Section | ||||
| Standard use | Light-duty use | Heave-duty use | D | H | R | 10 Mpa | 20 Mpa | 40 Mpa | d2 |
| 3-7.9 | 8-18.9 | - | d+4.9 | 2.2 | 0.4 | 0.30 | 0.20 | 0.15 | 1.78 |
| 8-18.9 | 19-37.9 | - | d+7.5 | 3.2 | 0.6 | 0.40 | 0.25 | 0.15 | 2.62 |
| 19-37.9 | 38-199.9 | 8-18.9 | d+11 | 4.2 | 1 | 0.40 | 0.25 | 0.20 | 3.53 |
| 38-199.9 | 200-255.9 | 19-37.9 | d+15.5 | 6.3 | 1.3 | 0.50 | 0.30 | 0.20 | 5.33 |
| 200-255.9 | 256-649.9 | 38-199.9 | d+21 | 8.1 | 1.8 | 0.60 | 0.35 | 0.25 | 7.00 |
| 256-649.9 | 650-999.9 | 200-255.9 | d+24.5 | 8.1 | 1.8 | 0.60 | 0.35 | 0.25 | 7.00 |
| 650-999.9 | ≥1000 | 256-649.9 | d+28 | 9.5 | 2.5 | 0.70 | 0.50 | 0.30 | 8.40 |
| ≥1000 | - | 650-999.9 | d+38 | 13.8 | 3.0 | 1.00 | 0.70 | 0.60 | 12.00 |
Specification Table:
| CODE | d | D | H+0.2 |
| GSI | 3 | 7.9 | 2.2 |
| GSI | 4 | 8.9 | 2.2 |
| GSI | 5 | 9.9 | 2.2 |
| GSI | 6 | 10.9 | 2.2 |
| GSI | 8 | 12.9 | 2.2 |
| GSI | 10 | 14.9 | 2.2 |
| GSI | 12 | 16.9 | 2.2 |
| GSI | 14 | 18.9 | 2.2 |
| GSI | 15 | 19.9 | 2.2 |
| GSI | 8 | 15.5 | 3.2 |
| GSI | 9 | 16.5 | 3.2 |
| GSI | 10 | 17.5 | 3.2 |
| GSI | 12 | 19.5 | 3.2 |
| GSI | 14 | 21.5 | 3.2 |
| GSI | 15 | 22.5 | 3.2 |
| GSI | 16 | 23.5 | 3.2 |
| GSI | 18 | 25.5 | 3.2 |
| GSI | 19 | 30 | 4.2 |
| GSI | 20 | 31 | 4.2 |
| GSI | 22 | 33 | 4.2 |
| GSI | 25 | 36 | 4.2 |
| GSI | 26 | 37 | 4.2 |
| GSI | 28 | 39 | 4.2 |
| GSI | 30 | 41 | 4.2 |
| GSI | 32 | 43 | 4.2 |
| GSI | 35 | 46 | 4.2 |
| GSI | 36 | 47 | 4.2 |
| GSI | 37 | 48 | 4.2 |
| GSI | 38 | 49 | 4.2 |
| GSI | 38 | 53.5 | 6.3 |
| CODE | d | D | H+0.2 |
| GSI | 40 | 55.5 | 6.3 |
| GSI | 45 | 60.5 | 6.3 |
| GSI | 50 | 65.5 | 6.3 |
| GSI | 55 | 70.5 | 6.3 |
| GSI | 56 | 71.5 | 6.3 |
| GSI | 60 | 75.5 | 6.3 |
| GSI | 63 | 78.5 | 6.3 |
| GSI | 65 | 80.5 | 6.3 |
| GSI | 66 | 81.5 | 6.3 |
| GSI | 67 | 82.5 | 6.3 |
| GSI | 68 | 83.5 | 6.3 |
| GSI | 70 | 85.5 | 6.3 |
| GSI | 73 | 88.5 | 6.3 |
| GSI | 75 | 90.5 | 6.3 |
| GSI | 80 | 95.5 | 6.3 |
| GSI | 83 | 98.5 | 6.3 |
| GSI | 85 | 100.5 | 6.3 |
| GSI | 90 | 105.5 | 6.3 |
| GSI | 95 | 110.5 | 6.3 |
| GSI | 98 | 113.5 | 6.3 |
| GSI | 100 | 115.5 | 6.3 |
| GSI | 105 | 120.5 | 6.3 |
| GSI | 110 | 125.5 | 6.3 |
| GSI | 115 | 130.5 | 6.3 |
| GSI | 120 | 135.5 | 6.3 |
| GSI | 125 | 140.5 | 6.3 |
| GSI | 130 | 145.5 | 6.3 |
| GSI | 135 | 150.5 | 6.3 |
| GSI | 140 | 155.5 | 6.3 |
| GSI | 150 | 165.5 | 6.3 |
| CODE | d | D | H+0.2 |
| GSI | 160 | 175.5 | 6.3 |
| GSI | 170 | 185.5 | 6.3 |
| GSI | 180 | 195.5 | 6.3 |
| GSI | 190 | 205.5 | 6.3 |
| GSI | 200 | 221 | 8.1 |
| GSI | 210 | 231 | 8.1 |
| GSI | 220 | 241 | 8.1 |
| GSI | 230 | 251 | 8.1 |
| GSI | 240 | 261 | 8.1 |
| GSI | 250 | 271 | 8.1 |
| GSI | 260 | 284.5 | 8.1 |
| GSI | 270 | 294.5 | 8.1 |
| GSI | 280 | 304.5 | 8.1 |
| GSI | 290 | 314.5 | 8.1 |
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