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Step Seals of GSJ commonly used for piston rod in hydraulic and pneumatic applications,they are designed to provide effective sealing between the reciprocating rod and the cylinder bore in these systems.
MAT: NBR+Filled PTFE
GSJ rod step seal is an excellent sealing solution for hydraulic reciprocating motion systems, performing well in high, medium, and low-pressure environments, as well as under heavy loads and high-frequency conditions. It is suitable for a wide range of fluid and high-temperature applications, accommodating various stroke lengths and larger piston rod clearances.
| Rod Diameter d h9 | Groove Diameter | Groove Width | Radius | Radial Clearance max | O Ring Section | ||||
| Standard use | Light-duty use | Heave-duty use | D H9 | H+0.2 | R | 10 Mpa | 20 Mpa | 40 Mpa | d0 |
| 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+7.3 | 3.2 | 0.6 | 0.40 | 0.25 | 0.15 | 2.62 |
| 19-37.9 | 38-199.9 | 8-18.9 | d+10.7 | 4.2 | 1 | 0.50 | 0.30 | 0.20 | 3.53 |
| 38-199.9 | 200-255.9 | 19-37.9 | d+15.1 | 6.3 | 1.3 | 0.70 | 0.40 | 0.25 | 5.33 |
| 200-255.9 | 256-649.9 | 38-199.9 | d+20.5 | 8.1 | 1.8 | 0.80 | 0.60 | 0.35 | 7.00 |
| 256-649.9 | 650-999.9 | 200-255.9 | d+24 | 8.1 | 1.8 | 0.90 | 0.70 | 0.40 | 7.00 |
| 650-999.9 | ≥1000 | 256-649.9 | d+27.3 | 9.5 | 2.5 | 1.00 | 0.80 | 0.50 | 8.40 |
| ≥1000 | – | 650-999.9 | d+38 | 13.8 | 3.0 | 1.20 | 0.90 | 0.60 | 12.00 |
| CODE | d h9 | D H9 | L+0.2 |
| GSJ | 3 | 7.9 | 2.2 |
| GSJ | 4 | 8.9 | 2.2 |
| GSJ | 5 | 9.9 | 2.2 |
| GSJ | 6 | 10.9 | 2.2 |
| GSJ | 8 | 12.9 | 2.2 |
| GSJ | 10 | 14.9 | 2.2 |
| GSJ | 12 | 16.9 | 2.2 |
| GSJ | 14 | 18.9 | 2.2 |
| GSJ | 15 | 19.9 | 2.2 |
| GSJ | 16 | 20.9 | 2.2 |
| GSJ | 17 | 21.9 | 2.2 |
| GSJ | 18 | 22.9 | 2.2 |
| GSJ | 8 | 15.3 | 3.2 |
| GSJ | 9 | 16.3 | 3.2 |
| GSJ | 10 | 17.3 | 3.2 |
| GSJ | 12 | 19.3 | 3.2 |
| GSJ | 14 | 21.3 | 3.2 |
| GSJ | 15 | 22.3 | 3.2 |
| GSJ | 16 | 23.3 | 3.2 |
| GSJ | 18 | 25.3 | 3.2 |
| GSJ | 20 | 27.3 | 3.2 |
| GSJ | 22 | 29.3 | 3.2 |
| GSJ | 24 | 31.3 | 3.2 |
| GSJ | 25 | 32.3 | 3.2 |
| GSJ | 26 | 33.3 | 3.2 |
| GSJ | 28 | 35.3 | 3.2 |
| GSJ | 30 | 37.3 | 3.2 |
| GSJ | 32 | 39.3 | 3.2 |
| GSJ | 35 | 42.3 | 3.2 |
| GSJ | 36 | 43.3 | 3.2 |
| GSJ | 38 | 45.3 | 3.2 |
| GSJ | 40 | 47.3 | 3.2 |
| GSJ | 19 | 29.7 | 4.2 |
| GSJ | 20 | 30.7 | 4.2 |
| GSJ | 22 | 32.7 | 4.2 |
| GSJ | 25 | 35.7 | 4.2 |
| GSJ | 26 | 36.7 | 4.2 |
| GSJ | 28 | 38.7 | 4.2 |
| CODE | d h9 | D H9 | L+0.2 |
| GSJ | 30 | 40.7 | 4.2 |
| GSJ | 32 | 42.7 | 4.2 |
| GSJ | 35 | 45.7 | 4.2 |
| GSJ | 36 | 46.7 | 4.2 |
| GSJ | 37 | 47.7 | 4.2 |
| GSJ | 38 | 48.7 | 4.2 |
| GSJ | 40 | 50.7 | 4.2 |
| GSJ | 42 | 52.7 | 4.2 |
| GSJ | 45 | 55.7 | 4.2 |
| GSJ | 50 | 60.7 | 4.2 |
| GSJ | 52 | 62.7 | 4.2 |
| GSJ | 55 | 65.7 | 4.2 |
| GSJ | 60 | 70.7 | 4.2 |
| GSJ | 65 | 75.7 | 4.2 |
| GSJ | 70 | 80.7 | 4.2 |
| GSJ | 75 | 85.7 | 4.2 |
| GSJ | 80 | 90.7 | 4.2 |
| GSJ | 35 | 50.1 | 6.3 |
| GSJ | 38 | 53.1 | 6.3 |
| GSJ | 40 | 55.1 | 6.3 |
| GSJ | 45 | 60.1 | 6.3 |
| GSJ | 50 | 65.1 | 6.3 |
| GSJ | 55 | 70.1 | 6.3 |
| GSJ | 56 | 71.1 | 6.3 |
| GSJ | 60 | 75.1 | 6.3 |
| GSJ | 63 | 78.1 | 6.3 |
| GSJ | 65 | 80.1 | 6.3 |
| GSJ | 66 | 81.1 | 6.3 |
| GSJ | 67 | 82.1 | 6.3 |
| GSJ | 68 | 83.1 | 6.3 |
| GSJ | 70 | 85.1 | 6.3 |
| GSJ | 73 | 88.1 | 6.3 |
| GSJ | 75 | 90.1 | 6.3 |
| GSJ | 80 | 95.1 | 6.3 |
| GSJ | 83 | 98.1 | 6.3 |
| GSJ | 85 | 100.1 | 6.3 |
| GSJ | 90 | 105.1 | 6.3 |
| GSJ | 95 | 110.1 | 6.3 |
| CODE | d h9 | D H9 | L+0.2 |
| GSJ | 98 | 113.1 | 6.3 |
| GSJ | 100 | 115.1 | 6.3 |
| GSJ | 105 | 120.1 | 6.3 |
| GSJ | 110 | 125.1 | 6.3 |
| GSJ | 115 | 130.1 | 6.3 |
| GSJ | 120 | 135.1 | 6.3 |
| GSJ | 125 | 140.1 | 6.3 |
| GSJ | 130 | 145.1 | 6.3 |
| GSJ | 135 | 150.1 | 6.3 |
| GSJ | 140 | 155.1 | 6.3 |
| GSJ | 150 | 165.1 | 6.3 |
| GSJ | 160 | 175.1 | 6.3 |
| GSJ | 170 | 185.1 | 6.3 |
| GSJ | 180 | 195.1 | 6.3 |
| GSJ | 190 | 205.1 | 6.3 |
| GSJ | 200 | 215.1 | 6.3 |
| GSJ | 80 | 100.5 | 8.1 |
| GSJ | 85 | 105.5 | 8.1 |
| GSJ | 90 | 110.5 | 8.1 |
| GSJ | 95 | 115.5 | 8.1 |
| GSJ | 100 | 120.5 | 8.1 |
| GSJ | 105 | 125.5 | 8.1 |
| GSJ | 110 | 130.5 | 8.1 |
| CODE | d h9 | D H9 | L+0.2 |
| GSJ | 115 | 135.5 | 8.1 |
| GSJ | 120 | 140.5 | 8.1 |
| GSJ | 125 | 145.5 | 8.1 |
| GSJ | 130 | 150.5 | 8.1 |
| GSJ | 135 | 155.5 | 8.1 |
| GSJ | 140 | 160.5 | 8.1 |
| GSJ | 150 | 170.5 | 8.1 |
| GSJ | 160 | 180.5 | 8.1 |
| GSJ | 170 | 190.5 | 8.1 |
| GSJ | 180 | 200.5 | 8.1 |
| GSJ | 190 | 210.5 | 8.1 |
| GSJ | 200 | 220.5 | 8.1 |
| GSJ | 210 | 230.5 | 8.1 |
| GSJ | 220 | 240.5 | 8.1 |
| GSJ | 230 | 250.5 | 8.1 |
| GSJ | 240 | 260.5 | 8.1 |
| GSJ | 250 | 270.5 | 8.1 |
| GSJ | 260 | 284 | 8.1 |
| GSJ | 270 | 294 | 8.1 |
| GSJ | 280 | 304 | 8.1 |
| GSJ | 290 | 314 | 8.1 |
| GSJ | 300 | 324 | 8.1 |
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