KASTAS PISTON – ROD SEALS K95
K95 is a single acting piston – rod seal and designed to have symmetrical lips in order to be used both for rod and piston applications.
PRODUCT ADVANTAGES
· Superior static and dynamic sealing effect
· Wide range of dimensions
· Easy assembly into closed grooves
· Although designed for hydraulic cylinders, it is used in special pneumatic cylinders as well
· Simple groove design
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APPLICATION
Fork-lift trucks, injection moulding machines, agricultural machinery, and standard cylinders.
| MATERIAL | CODE | |
| NBR | 90 SHORE A | NB9001 |
| OPERATING CONDITIONS | |||
| MEDIA | Mineral oils (DIN 51524) | HFA and HFB | HFC |
| TEMPERATURE | -30°C +105°C | +5°C +60°C | -30°C +60°C |
| PRESSURE | ≤150 Bar | ≤150 Bar | ≤150 Bar |
| SPEED | ≤0.5 m/sec | ≤0.5 m/sec | ≤0.5 m/sec |
| SURFACE ROUGHNESS | Ra | Rmax | |
| Sliding Surface | ØD-Ød | ≤0.4 μm | ≤3.2 μm |
| Groove Base | Ødp-ØDb | ≤1.6 μm | ≤10 μm |
| Groove Flanks | B | ≤3.2 μm | ≤16 μm |
INSTALLATION
Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. Before installation the sealing element must be oiled with system oil.
| MINUMUM DIAMETER VALUES FOR CLOSED TYPE OF GROOVES | |||||||
| (D-d)/2 (mm) | 4 | 5 | 6 | 7.7 | 10 | 12.5 | 15 |
| d min (mm) | 25 | 30 | 40 | 50 | 80 | 100 | 105 |
NOTES
For special applications that require high temperatures, K95 can be produced in FKM material. The permissible sealing gap values of K95 piston – rod seal is given in the below table.
| PERMISSIBLE SEALING GAP | |||
| Smax (mm) | |||
| t=(D-d)/2 | 50bar | 100bar | 150bar |
| t≤5 | 0.4 | 0.2 | 0.1 |
| t>5 | 0.45 | 0.25 | 0.15 |
| KASTAŞ NO | d(f7)/dp(h11) | Db(H11)/D(H11) | b | B(-0/+0.2) | n |
| K95-004 | 4 | 10 | 4 | 4.5 | 3 |
| K95-006 | 6 | 12 | 4 | 4.5 | 3 |
| K95-006/1 | 6 | 15 | 5 | 6 | 4 |
| K95-006/3 | 6 | 16 | 6 | 7 | 4.5 |
| K95-007 | 7 | 15 | 5 | 6 | 4 |
| K95-007/1 | 7.94 | 12.7 | 3.5 | 4 | 2 |
| K95-008 | 8 | 14 | 4 | 4.5 | 3 |
| K95-008/1 | 8 | 14.2 | 3.5 | 4 | 3 |
| K95-008/2 | 8 | 16 | 3.5 | 4 | 4 |
| K95-008/3 | 8 | 16 | 4.2 | 4.7 | 4 |
| K95-008/4 | 8 | 12 | 4 | 4.5 | 2 |
| K95-010 | 10 | 14 | 2 | 2.5 | 2 |
| K95-010/1 | 10 | 16 | 4 | 4.5 | 3 |
| K95-010/3 | 10 | 18 | 5 | 6 | 4 |
| K95-010/4 | 10 | 22 | 6 | 7 | 5 |
| K95-010/5 | 10 | 19 | 3.5 | 4 | 4 |
| K95-010/6 | 10 | 20 | 3.5 | 4 | 4.5 |
| K95-010/7 | 10 | 23 | 4.5 | 5 | 5 |
| K95-012 | 12 | 18 | 4 | 4.5 | 3 |
| K95-012/1 | 12 | 20 | 5.5 | 6.5 | 4 |
| K95-012/3 | 12 | 22 | 5 | 6 | 4.5 |
| K95-012/4 | 12 | 24 | 6 | 7 | 5 |
| K95-012/7 | 12.5 | 20.3 | 3.5 | 4 | 4 |
| K95-012/6 | 12.5 | 20 | 4.5 | 5 | 4 |
| K95-012/5 | 12.5 | 23 | 3.5 | 4 | 4.5 |
| K95-014 | 14 | 20 | 4 | 4.5 | 3 |
| K95-014/1 | 14 | 20 | 4.8 | 5.3 | 3 |
| K95-014/2 | 14 | 25 | 3.5 | 4 | 4.5 |
| K95-015 | 15 | 22 | 4 | 4.5 | 3 |
| K95-015/1 | 15 | 24 | 7 | 8 | 4 |
| K95-015/2 | 15 | 25 | 6 | 7 | 4.5 |
| K95-016 | 16 | 22 | 4 | 4.5 | 3 |
| K95-016/1 | 16 | 22 | 6 | 7 | 3 |
| K95-016/2 | 16 | 25 | 5 | 6 | 4 |
| K95-016/3 | 16 | 26 | 5 | 6 | 4.5 |
| K95-018 | 18 | 26 | 4 | 4.5 | 4 |
| K95-018/1 | 18 | 24 | 4 | 4.5 | 3 |
| K95-018/2 | 18 | 25 | 4 | 4.5 | 3 |
| K95-020 | 20 | 28 | 4 | 4.5 | 4 |
| K95-020/1 | 20 | 28 | 8 | 9 | 4 |
| K95-020/3 | 20 | 30 | 8 | 9 | 4.5 |
| K95-020/5 | 20 | 35 | 10 | 11 | 5.5 |
| K95-020/6 | 20 | 32 | 7.5 | 8.5 | 5 |
| K95-022 | 22 | 30 | 6 | 7 | 4 |
| K95-022/1 | 22 | 35 | 7 | 8 | 5 |
| K95-022/2 | 22 | 32 | 5 | 6 | 4.5 |
| K95-022/3 | 22 | 28 | 5 | 6 | 3 |
| K95-024 | 24 | 30 | 5 | 6 | 3 |
| K95-024/1 | 24 | 32 | 4 | 4.5 | 4 |
| K95-024/2 | 24 | 34 | 5 | 6 | 4.5 |
| K95-025 | 25 | 33 | 7 | 8 | 4 |
| K95-025/1 | 25 | 40 | 6 | 7 | 5.5 |
| K95-027 | 27 | 36 | 6 | 7 | 4 |
| K95-028 | 28 | 38 | 5 | 6 | 4.5 |
| K95-028/2 | 28 | 52 | 10 | 11 | 7 |
| K95-029 | 29 | 35 | 6 | 7 | 3 |
| K95-030 | 30 | 40 | 9 | 10 | 4.5 |
| K95-030/1 | 30 | 45 | 10 | 11 | 5.5 |
| K95-030/2 | 30 | 55 | 12 | 13 | 7 |
| K95-032 | 32 | 42 | 8 | 9 | 4.5 |
| K95-032/1 | 32 | 40 | 7 | 8 | 4 |
| K95-032/2 | 32 | 48 | 8 | 9 | 5.5 |
| K95-033 | 33 | 42 | 7 | 8 | 4 |
| K95-035 | 35 | 45 | 5 | 6 | 4.5 |
| K95-035/1 | 35 | 45 | 6 | 7 | 4.5 |
| K95-040 | 40 | 50 | 5 | 6 | 4.5 |
| K95-040/2 | 40 | 48 | 8 | 9 | 4 |
| K95-040/1 | 40 | 60 | 10 | 11 | 7 |
| K95-046 | 46 | 70 | 12 | 13 | 7 |
| K95-048 | 48 | 60 | 6 | 7 | 5 |
| K95-048/1 | 48 | 60 | 7 | 8 | 5 |
| K95-050/1 | 50 | 75 | 12 | 13 | 7 |
| K95-050 | 50 | 80 | 15 | 16 | 8 |
| K95-055 | 55 | 70 | 10 | 11 | 5.5 |
| K95-058 | 58 | 70 | 6 | 7 | 5 |
| K95-060 | 60 | 100 | 20 | 21 | 10 |
| K95-062 | 62 | 86 | 12 | 13 | 7 |
| K95-064 | 64 | 80 | 8 | 9 | 5.5 |
| K95-072 | 72 | 84 | 8 | 9 | 5 |
| K95-072/1 | 72 | 84 | 6 | 7 | 5 |
| K95-075 | 75 | 100 | 12 | 13 | 7 |
| K95-075/1 | 75 | 90 | 7.5 | 8.5 | 5.5 |
| K95-130 | 130 | 150 | 10 | 11 | 7 |
| K95-135 | 135 | 150 | 10 | 11 | 5.5 |
| K95-230 | 230 | 270 | 20 | 21 | 10 |
| K95-290 | 290 | 330 | 20 | 21 | 10 |