
Hallite piston seals 755
TECHNICAL DETAILS | | |
OPERATING CONDITIONS | METRIC | INCH |
Maximum Speed | 1.0 m/sec | 3.0 ft/sec |
Temperature Range | -40°C +110°C | -40°F +230°F |
Maximum Pressure | 350 bar | 5000 psi |
MAXIMUM EXTRUSION GAP | | | | |
Pressure bar | 100 | 160 | 250 | 350 |
Pressure psi | 1500 | 2400 | 3750 | 5000 |
Maximum Gap (S>0.280 in) | 0.03 | 0.025 | 0.02 | 0.01 |
Maximum Gap (S<0.280 in) | 0.025 | 0.02 | 0.015 | 0.005 |
SURFACE ROUGHNESS | µmRa | µmRz | µmRt | µinRa | µinRz | µinRt |
Dynamic Sealing Face ØD₁ | 0.1 – 0.4 | 1.6 max | 4 max | 4-16 | 63 max | 157 max |
Static Sealing Face Ød₁ | 1.6 max | 6.3 max | 10 max | 63 max | 250 max | 394 max |
Static Housing Faces L₁ | 3.2 max | 10 max | 16 max | 125 max | 394 max | 630 max |

inch | | | |
Part no. | ØD1 | Ød1 | L1 |
8910000 | 1 | 0.691 | 0.129 |
8910100 | 1.25 | 0.941 | 0.129 |
8910200 | 1.5 | 1.191 | 0.129 |
8910300 | 1.75 | 1.441 | 0.129 |
4553520 | 2 | 1.462 | 0.283 |
8913100 | 2 | 1.606 | 0.129 |
8910400 | 2 | 1.691 | 0.129 |
8910500 | 2.25 | 1.941 | 0.129 |
4490020 | 2.5 | 1.962 | 0.283 |
4439310 | 2.5 | 2.106 | 0.129 |
8910600 | 2.5 | 2.191 | 0.129 |
8910700 | 2.75 | 2.441 | 0.129 |
8910800 | 3 | 2.462 | 0.283 |
8910900 | 3.25 | 2.712 | 0.283 |
8911000 | 3.5 | 2.962 | 0.283 |
8911100 | 3.75 | 3.212 | 0.283 |
8911200 | 4 | 3.462 | 0.283 |
8911300 | 4.25 | 3.712 | 0.283 |
8911400 | 4.5 | 3.962 | 0.283 |
8911500 | 4.75 | 4.212 | 0.283 |
8911600 | 5 | 4.462 | 0.283 |
8911700 | 5.25 | 4.504 | 0.378 |
8911800 | 5.5 | 4.754 | 0.378 |
8913200 | 5.75 | 5.004 | 0.378 |
8911900 | 6 | 5.254 | 0.378 |
8912000 | 6.25 | 5.504 | 0.378 |
8912100 | 6.5 | 5.754 | 0.378 |
4394810 | 7 | 6.25 | 0.312 |
8912200 | 7 | 6.254 | 0.378 |
8912300 | 7.25 | 6.504 | 0.378 |
8912400 | 7.5 | 6.754 | 0.378 |
8912500 | 8 | 7.254 | 0.378 |
8913000 | 8.437 | 7.691 | 0.378 |
8912600 | 8.5 | 7.754 | 0.378 |
8912700 | 9 | 8.137 | 0.378 |
8912800 | 9.5 | 8.637 | 0.378 |
8912900 | 10 | 9.137 | 0.378 |