KASTAS K20 PISTON SEAL
K20 is a double-acting compact seal with a simple design which consist of an elastomer sealing ring and guide rings
Advantages
• Simple groove desing
• Easy installation
• Economical sealing solution
• Easy installation
• Economical sealing solution
Area of Application
• Agricultural machinery
• Low pressure industrial cylinders
• Low pressure industrial cylinders
Material | Code | Pressure (max) bar | Temperature (max) °C | Sliding Speed (max)- m/s |
NBR POM | NB8001 PM9901 | 150 | -0.3 | 0.5 |

SIZE
D (H10) | d (h9) | d1 (h11) | ds (h9) | L (+0.2/-0) | L1 (+0.1/-0) | r | r1 | C |
K20 025.4-017.45 | 25.43 | 17.47 | 23.83 | 21.08 | 8.9 | 3.05 | 0.4 | 0.2 |
K20 025-017.50 | 25 | 17.5 | 24 | 21.3 | 8.7 | 3.2 | 0.4 | 0.2 |
K20 031.75-023.80 | 31.79 | 23.83 | 30.18 | 27.44 | 8.9 | 3.05 | 0.4 | 0.2 |
K20 032-022 | 32 | 22 | 31 | 27.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 038.1-028.57 | 38.14 | 28.61 | 36.54 | 33.67 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 040-030 | 40 | 30 | 39 | 35.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 044.45-034.92 | 44.5 | 34.96 | 42.9 | 40.02 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 050.8-041.27 | 50.86 | 41.32 | 49.26 | 46.38 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 050-040 | 50 | 40 | 49 | 45.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 057.15-047.62 | 57.21 | 47.68 | 55.61 | 52.76 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 063.50-053.97 | 63.57 | 54.04 | 61.97 | 59.12 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 063-053 | 63 | 53 | 61.5 | 58.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 069.85-060.32 | 69.93 | 60.39 | 68.33 | 65.48 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 076.20-066.67 | 76.29 | 66.75 | 74.68 | 71.84 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 080-070 | 80 | 70 | 78.5 | 75.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 082.55-073.02 | 82.64 | 73.11 | 81.04 | 78.19 | 11.3 | 3.7 | 0.4 | 0.2 |
K20 088.9-076.20 | 89 | 76.29 | 87.4 | 83.15 | 14.45 | 5.21 | 0.4 | 0.2 |
K20 092-082 | 92 | 82 | 90.5 | 87.5 | 11.2 | 3.9 | 0.4 | 0.2 |
K20 095.25-082.55 | 95.36 | 82.64 | 93.76 | 89.51 | 14.45 | 5.21 | 0.4 | 0.2 |
K20 100-087 | 100 | 87 | 98.5 | 93.8 | 14.2 | 5.9 | 0.4 | 0.2 |
K20 101.6-088.9 | 101.71 | 89 | 100.11 | 95.87 | 14.45 | 5.21 | 0.4 | 0.2 |
K20 114.3-101.6 | 114.43 | 101.71 | 112.83 | 108.58 | 14.45 | 5.21 | 0.4 | 0.2 |
K20 125-112 | 125 | 112 | 123.5 | 118.8 | 14.2 | 5.9 | 0.4 | 0.2 |
K20 127-111.12 | 127.14 | 111.25 | 125.54 | 119.23 | 17.65 | 8.65 | 0.8 | 0.4 |
K20 140-124 | 140 | 124 | 138.5 | 132 | 17.7 | 8.7 | 0.8 | 0.4 |
K20 152.4-133.35 | 152.57 | 133.5 | 150.97 | 145.25 | 25.55 | 12.6 | 0.8 | 0.4 |
K20 160-140 | 160 | 140 | 158.5 | 151.4 | 25.2 | 12.4 | 0.8 | 0.4 |
K20 180-160 | 180 | 160 | 178.5 | 171.4 | 25.2 | 12.4 | 0.8 | 0.4 |
K20 200-180 | 200 | 180 | 198.5 | 191.4 | 25.2 | 12.4 | 0.8 | 0.4 |