Hallite piston seal 656
Technical details
OPERATING CONDITIONS | METRIC | INCH |
Maximum Speed | 1.0 m/sec | 3.0 ft/sec |
Temperature Range | -45°C +110°C | -50°F +230°F |
Maximum Pressure | 400 bar | 6000 psi |
Surface roughness | µmRa | µmRt | µinCLA | µinRMS |
Dynamic Sealing Face ØD1 | 0.1 < > 0.4 | 4 max | 4 < > 16 | 5 < > 18 |
Static Sealing Face Ød1 | 1.6 max | 10 max | 63 max | 70 max |
Static Housing Faces L1 | 3.2 max | 16 max | 125 max | 140 max |
Chamfers & Radii | | | | | | |
Groove Section ≤ S in | 0.125 | 0.187 | 0.25 | 0.312 | 0.375 | 0.5 |
Min Chamfer C in | 0.093 | 0.093 | 0.125 | 0.156 | 0.187 | 0.217 |
Max Fillet Rad r1 in | 0.008 | 0.008 | 0.016 | 0.032 | 0.032 | 0.032 |

INCH |
Part no. | Ød1 | ØD1 | L1 | SL |
4579200 | 1.625 | 2 | 0.3 | 0.273 |
4522700 | 1.875 | 2.5 | 0.55 | 0.5 |
4579100 | 2.25 | 2.625 | 0.3 | 0.273 |
4456700 | 2.5 | 3.25 | 0.688 | 0.625 |
4461300 | 2.75 | 3.5 | 0.687 | 0.625 |
4522800 | 3.25 | 4 | 0.687 | 0.625 |
4461400 | 3.75 | 4.5 | 0.687 | 0.625 |
4522900 | 4.25 | 5 | 0.687 | 0.625 |
4461500 | 4.75 | 5.5 | 0.687 | 0.625 |
4523000 | 5.25 | 6 | 0.687 | 0.625 |
4523100 | 5.75 | 6.5 | 0.687 | 0.625 |