Hallite pneumatic seal 851
Technical details
| OPERATING CONDITIONS | METRIC | INCH |
| Maximum Speed | 0.1 m/sec | 0.3 ft/sec |
| Temperature Range | -45°C +80°C | -50°F +180°F |
| Maximum Pressure | 10 bar | 150 psi |
| 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 |
| CHAMFERS & RADII | | |
| Rod Diameter Ød₁ mm | ≤20 | >20 |
| Min Chamfer C mm | 3.50 | 3.50 |
| Min Chamfer C₁ mm | 1.50 | 2.00 |
| Max Fillet Rad r₁ mm | 1.10 | 1.40 |
| METRIC | | | | | |
| Part no. | Ød1 | ØD1 | ØD2 | L1 | L2 |
| 4442000 | 12.00 | 22.00 | 24.00 | 8.80 | 13.00 |
| 4453900 | 16.00 | 26.00 | 28.00 | 8.80 | 13.00 |
| 4404700 | 20.00 | 30.00 | 32.00 | 8.80 | 13.00 |
| 4427600 | 25.00 | 35.00 | 37.50 | 9.40 | 14.00 |
