Seal SH-D Features (HBSH-D)
- Dual seal in face-to-face arrangement
- Balanced
- Cartridge unit
- Stationary multiple springs
- Shrink-fitted seal rings
- Rugged mating rings
Seal SH-D Material
- 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.
Seal SH-D Advantages (HBSH-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
Seal SH-D Recommended applications
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