Features mechanical seal sh
- Single seal
- Balanced
- Cartridge unit
- Stationary multiple springs
- Shrink-fitted seal ring
- Solid mating ring
Advantages mechanical seal sh
- Engineered seal for extended requirements
- Deformation-optimized seal for high pressure and high sliding velocity
- Insensitive to shaft deflections due to stationary design
- Version for extreme applications available
Operating range mechanical seal sh
- Shaft diameter:
d1 = 40 … 110 (250) mm (1.57″ … 4.33 (9.84)” - Pressure:
p1 = 42 (150) bar (609 (2,175) PSI) - Temperature:
t = -40 °C … +176 (+200) °C (-40 °F … +350 (+394) °F) - Sliding velocity:
vg = 23 (60) m/s (76 (197) ft/s) - Axial movement: ±3.0 mm
Materials mechanical seal sh
- Seal ring: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2, Q3) - Mating ring:
Silicon carbide SSiC (Q1), RBSiC (Q2) - Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K) - Springs: Hastelloy® C-4 (M)* and C-276 (M5)
- Metal parts: CrNiMo steel 316 (G) or equivalent,
optional materials on request.
| Item | Description |
| 1 | Seal ring |
| 2, 6, 8, 12, 13 | O-Ring |
| 3, 16 | Spring |
| 4 | Thrust ring |
| 5 | Mating ring |
| 7, 10 | Set screw |
| 9 | Sleeve |
| 11 | Seal sleeve |
| 14 | Gland plate |
| 15 | Throttle ring |
| 17 | Disk |
| 18 | Set ring |
| 19 | Setting device |
| 20 | Hexagon bolt |
| 21 | Plug |
Recommended applications seal sh
- Oil and gas industry
- Refining technology
- Chemical industry
- Crude oil feed pumps
- Injection pumps
- Multiphase pumps
