Features mechanical seal sh-d
- Dual seal in face-to-face arrangement
- Balanced
- Cartridge unit
- Stationary multiple springs
- Shrink-fitted seal rings
- Rugged mating rings
Advantages mechanical seal sh-d
- Engineered seal for extended requirements
- Deformation-optimized seal for high pressure and high sliding velocity
- Insensitive to shaft deflections due to stationary design
- Version with loose-fitted seal rings available, for extreme applications
Operating range mechanical seal sh-d
- 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-d
- Seal rings: Blister resistant carbon,
- Silicon carbide SSiC (Q1), RBSiC (Q2, Q3)
- Mating rings:
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 |
| 1.1.1, 1.1.2 | Seal ring |
| 1.1.3, 1.1.4 | O-Ring |
| 1.1.5 | Thrust ring |
| 1.1.6 | Spring |
| 1.2, 1.3 | Mating ring |
| 2 | Seal sleeve |
| 3, 4 | Gland plate |
| 5 | Shrink disk |
| 6 | Setting device |
| 7 | Hexagon bolt |
Recommended applications seal sh-d
- Oil and gas industry
- Refining technology
- Chemical industry
- Hot water
- Sour water
- Caustic soda
- Amines
- Crystallizing media
- Crude oil
- Process water
- Crude oil feed pumps
- Injection pumps
- Multiphase pumps
