
Hallite piston seal 659
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 |
MAXIMUM EXTRUSION GAP |
Pressure bar | 160 | 250 | 400 |
Maximum Gap mm | 0.60 | 0.50 | 0.40 |
Pressure psi | 2400 | 3750 | 6000 |
Maximum Gap in | 0.024 | 0.020 | 0.016 |
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 |
Groove Section <S mm | 4.00 | 5.00 | 7.50 | 10.00 |
Min Chamfer C mm | 3.00 | 3.50 | 5.00 | 6.50 |
Max Fillet Rad r₁ mm | 0.20 | 0.40 | 0.80 | 0.80 |
Max Fillet Rad r₂ mm | 0.40 | 0.80 | 1.20 | 1.20 |
Groove Section ≤ S in | 0.125 | 0.187 | 0.250 | 0.500 |
Min Chamfer C in | 0.093 | 0.093 | 0.125 | 0.217 |
Max Fillet Rad r₁ in | 0.008 | 0.008 | 0.016 | 0.032 |
Max Fillet Rad r₂ in | 0.016 | 0.016 | 0.032 | 0.047 |

METRIC |
Part no. | ØD1 | Ød1 | SL | L1 |
4894700 | 60 | 45 | 10 | 11.4 |
4884400 | 70 | 55 | 10 | 11 |
4870700 | 75 | 65 | 7.3 | 8 |
4892200 | 80 | 65 | 11.5 | 12.5 |
4775500 | 90 | 75 | 11.5 | 12.5 |
4834000 | 90 | 80 | 8 | 9 |
4580300 | 100 | 80 | 14.5 | 16 |
4894900 | 100 | 85 | 10 | 11.4 |
4775600 | 100 | 85 | 11.5 | 12.5 |
4892300 | 105 | 90 | 11.5 | 12.5 |
4580400 | 110 | 90 | 14.5 | 16 |
4775700 | 110 | 95 | 11.5 | 12.5 |
4865000 | 120 | 100 | 11.8 | 13 |
4813000 | 130 | 115 | 11.5 | 12.5 |
INCH |
Part no. | ØD1 | Ød1 | SL | L1 |
4416600 | 1.25 | 1 | 0.171 | 0.187 |
4372400 | 1.5 | 1.25 | 0.187 | 0.207 |
4528600 | 1.75 | 1.25 | 0.375 | 0.413 |
4563300 | 2 | 1.63 | 0.25 | 0.281 |
4528500 | 2.375 | 1.75 | 0.437 | 0.481 |
4563400 | 2.5 | 2.13 | 0.25 | 0.281 |
4528400 | 3 | 2.25 | 0.5 | 0.55 |
4876000 | 3 | 2.618 | 0.375 | 0.413 |
4563500 | 3 | 2.63 | 0.25 | 0.281 |
4563600 | 3.5 | 3.13 | 0.25 | 0.281 |
4528300 | 3.625 | 2.875 | 0.562 | 0.619 |
4563700 | 4 | 3.63 | 0.25 | 0.281 |
4528200 | 4.25 | 3.5 | 0.562 | 0.619 |
4528100 | 5 | 4 | 0.731 | 0.804 |
4530200 | 6 | 5 | 0.731 | 0.804 |
4529700 | 7 | 6 | 0.731 | 0.804 |