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| 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
Operating range
Shaft diameter:
d1 = 20 … 110 mm (0,79" … 4,33")
Pressure: p1 ... 42 bar (609 PSI)
Temperature:
t = -40 °C … +176 °C (-40 °F … +350 °F)
Sliding velocity: vg = 23 m/s (76 ft/s)
Axial movement: ±1.0 mm
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. Dimensions on request.
Standards and approvals
- API 682 / ISO 21049
- API 682 4th ed. Cat. 2/3 - 2CW-CS
Recommended applications
- Media with gaseous leakage
- Refining technology
- Petrochemical industry
- Oil and gas industry
- CCUS
- Hydrogen
- Sustainable plastics production
- Alternative fuels production
- API 610 / ISO 13709 pumps
- Process pumps
Recommended piping plans
Process side:
API Plan 01
API Plan 02
API Plan 03
API Plan 11
API Plan 12
API Plan 13
API Plan 14
API Plan 21
API Plan 22
API Plan 23
API Plan 31
API Plan 32
API Plan 41
Between seals:
API Plan 71
API Plan 72
API Plan 75
API Plan 76
