KASTAS COVER SEAL K84
K84 is a double acting cover seal specially designed for static applications.
PRODUCT ADVANTAGES
• High operating pressures
• High reliability
• Interchangeable for O-ring and O-ring with back-up ring
• Easy and secure installation
• No need for additional back-up ring
• High wear resistant
APPLICATION
All the hydraulic applications that O-rings are being used.
| MATERIAL | CODE | |
| PU | 94 SHORE A | PU9401 |
| OPERATING CONDITIONS | |||
| MEDIA | Mineral oils (DIN 51524) | HFA and HFB | HFC |
| TEMPERATURE | -30°C +100°C | +5°C +50°C | -30°C +40°C |
| PRESSURE | ≤600 Bar | ≤600 Bar | ≤600 Bar |
| SURFACE ROUGHNESS | Ra | Rmax | |
| Sliding Surface | Ød | ≤0.8 μm | ≤3.2 μm |
| Groove Base | ØD | ≤1.6 μm | ≤6.3 μm |
| Groove Flanks | B | ≤6.3 μm | ≤16 μm |
INSTALLATION
Easy installation by hand. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.
NOTES
K84 is a double acting cover seal for inner sealing. The difficulties faced during an O-ring assembly such as twisting, ripping was solved with this design. It can be used without a back-up ring at high pressures. When material is concerned, K83 has good wear resistance to extrusion and shows good sealing performance in double acting applications.
| KASTAŞ NO | D(H8) | d(h8) | B(-0/+0.25) | b | n |
| K84-040 | 40 | 33.5 | 4.8 | 4.3 | 3 |
| K84-040/1 | 40 | 32.8 | 3.4 | 2.8 | 3.5 |
| K84-050 | 50 | 44.4 | 6.2 | 5.3 | 3 |
| K84-070 | 70 | 64.4 | 6.2 | 5.3 | 3 |
| K84-075 | 75 | 69.6 | 6.5 | 5.5 | 3 |
| K84-085 | 85 | 80.8 | 5 | 4.2 | 2 |
| K84-090 | 90 | 80.1 | 7.8 | 6.7 | 4.5 |
| K84-095 | 95.5 | 87.7 | 5.8 | 5 | 4 |
| K84-095/1 | 95 | 86.4 | 9 | 7.8 | 4 |
| K84-100 | 100 | 90 | 7.8 | 7.3 | 4.5 |
| K84-100/1 | 100 | 91.4 | 9 | 7.8 | 4 |
| K84-105 | 105 | 95.1 | 7.8 | 6.7 | 4.5 |
| K84-110 | 110 | 101.4 | 9 | 7.8 | 4 |
| K84-125 | 125 | 116.4 | 9 | 7.8 | 4 |
| K84-140 | 140 | 134.1 | 5.9 | 4.9 | 3 |
| K84-150 | 150 | 141.9 | 9.2 | 8 | 4 |
| K84-180 | 180 | 170 | 8.4 | 7.3 | 4.5 |
| K84-200 | 200 | 191.4 | 9 | 7.8 | 4 |