Mechanical seal H-brinker
HBM481K
Operating range Mechanical seal HBM481K
Shaft diameter: d1 = 40 … 220 mm (1.57″ …. 8.66″)
Pressure:
p1 = vacuum … 16 bar (232 PSI),
p3 = max. 18 bar (261 PSI)
Temperature: t1 = -40 °C … +200 (350*) °C (-40 °F … +392 (662*) °F)
Sliding velocity: vg = 0 … 5 m/s (0 … 16 ft/s)
For applications beyond this range, please inquire.
* with cooling flange
Table of Mechanical seal descriptions HBM481K
| Item | Description |
| 1 | Seal face, atmosphere side |
| 2 | Seal face, product side |
| 6, 7, 13, 14, 15 | O-Ring |
| 11 | Seat, product side |
| 12 | Seat, atmosphere side |
Features Seal HBM481K
- Liquid-lubricated double seal for top-entry drives
- Cartridge unit
- Self-closing on the product side
- For stepped and unstepped shafts
- Unbalanced
- Independent of direction of rotation
- Multiple springs rotating
Advantages mechanical seal HBM481K
- Ready-to-fit and factory-tested units
- The M481K and its variants will remain closed even during pressure variations or pressure reversal.
- Operation is possible with buffer fluid (p1max = 6 bar (87 PSI)) or pressurized with barrier fluid as double seal
- Available with or without bearing
- Suitable for standardizations
- Seal can be applied at higher pressure and rotating speed than specified by DIN
Materials Seal HBM481K
- Seal faces: Carbon graphite or Silicon carbide, FDA conform
- Seats: Silicon carbide, FDA conform
- Secondary seals and metallic parts acc. to application and customers’ requirement.
Recommended applications seal HBM481K
- Refining technology
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Food and beverage industry
- Agitators
- Reactors
Dimension Table Seal HBM481K
| d11) | d71) | d | n x d2 | d4 | d0 | k | L1 | L2 | Lw2) | l1 | l2 | A | M1 | M2 | A, B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 | 38 | 175 | 4×18 | 110 | 90 | 145 | 87 | 136 | 143 | 15 | 28 | 122 | M12 | M16 | G3/8 |
| 50 | 48 | 240 | 8×18 | 176 | 135 | 210 | 89 | 149 | 148 | 17 | 28 | 157 | M12 | M16 | G3/8 |
| 60 | 58 | 240 | 8×18 | 176 | 135 | 210 | 93.5 | 156 | 158 | 17 | 28 | 168 | M12 | M16 | G3/8 |
| 80 | 78 | 275 | 8×22 | 204 | 155 | 240 | 104.5 | 189 | 168 | 20 | 34 | 203 | M16 | M20 | G1/2 |
| 100 | 98 | 305 | 8×22 | 234 | 190 | 270 | 109 | 190 | 178 | 20 | 34 | 228 | M16 | M20 | G1/2 |
| 125 | 120 | 330 | 8×22 | 260 | 215 | 295 | 110 | 205 | 203 | 20 | 40 | 268 | M20 | M20 | G1/2 |
| 140 | 135 | 395 | 12×22 | 313 | 250 | 350 | 124 | 222 | 208 | 20 | 40 | 285 | M20 | M20 | G1/2 |
| 160 | 150 | 395 | 12×22 | 313 | 265 | 350 | 127.5 | 219.5 | 213 | 25 | 40 | 297 | M20 | M20 | G1/2 |
| 180 | 170 | 445 | 12×22 | 364 | 310 | 400 | 132.5 | 230 | 233 | 25 | 45 | 332 | M24 | M20 | G1/2 |
| 200 | 190 | 445 | 12×22 | 364 | 310 | 400 | 137.5 | 237.5 | 243 | 25 | 45 | 352 | M24 | M20 | G1/2 |
| 220 | 210 | 505 | 16×22 | 422 | 340 | 460 | 149.5 | 249.5 | 263 | 25 | 50 | 381 | M24 | M20 | G1/2 |