H75A4-C
H75A4-C
| Item | Description |
| 1.1.1, 2.1.1 | Seal ring |
| 1.1.2, 2.1.2 | Driver |
| 1.1.3, 2.1.3 | Thrust ring |
| 1.1.4, 1.3, 2.1.4, 2.3 | O-Ring |
| 1.1.5, 2.1.5 | Spring |
| 1.1.6, 12 | Set screw |
| 1.2, 2.2 | Mating ring |
| 2.1.6 | Key |
| 3 | Seal sleeve |
| 4 | Gland plate |
| 6 | Insert |
| 8 | Fixing ring |
| 9 | Setting device |
| 10 | Hexagon bolt |
| 11 | Set ring |
F Flush
CSV Containment seal vent
CSD Containment seal drain
GBI Gas buffer IN
H75A4-C
Features
- API 682 Category 2 and 3, Type A, Arrangement 2 seal
- Dual seal in face-to-back arrangement
- Non-contact outer seal (containment seal)
- Balanced
- Cartridge unit
- Rotating multiple springs
Advantages
- Universally applicable both for retrofits or original equipment
- Efficient stock keeping due to standardized components
- Extended selection of materials
- Metal parts also in special materials available
- Safe operation due to metal torque transmission at the rotating carbon seal rings
Materials
Seal rings: Blister resistant carbon,
Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.
Silicon carbide SSiC (Q1), RBSiC (Q2)
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-276 (M5)
Metal parts: CrNiMo steel 316 (G) or equivalent, optional materials on request.
Standards and approvals
- API 682 / ISO 21049
- API 682 4th ed. Cat. 2/3 - 2CW-CS
Recommended applications
- Refining technology
- Petrochemical industry
- Oil and gas industry
- CCUS
- Hydrogen
- Sustainable plastics production
- Alternative fuels production
- Media with gaseous leakage
- API 610 / ISO 13709 pumps
- Process pumps
Recommended piping plans
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