H75LG4-C
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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 |
CSV Containment seal vent
CSD Containment seal drain
GBI Gas buffer IN
H75LG4-C
Features
- API 682 Category 2 und 3, Type A, Arrangement 2 seal
- Dual seal in face-to-back arrangement
- Cartridge unit
- Rotating multiple springs
- Dry non-contact outer seal (containment seal)
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
- Designed for vaporizing media
- Operation close to vapor pressure
Operating range
Shaft diameter:
d1 = 20 … 110 mm (0.79" … 4.33")
Pressure: p1 = 20 bar (290 PSI)
Temperature:
t = -40 °C … +176 °C (-40 °F … +350 °F)
Sliding velocity:
vg = 4 ... 23 m/s (13 ... 76 ft/s)
Axial movement: ±1.0 mm
Materials
Seal rings: Blister resistant carbon
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.
* EagleBurgmann standard
Standards and approvals
- API 682 / ISO 21049
- API 682 4th ed. Cat. 2/3 - 2NC-CS
- API 682 4th ed. Cat. 1 - 2NC-CS
Recommended applications
- Media with gaseous leakage
- Refining technology
- Petrochemical industry
- Chemical industry
- Oil and gas industry
- CCUS
- API 610 / ISO 13709 pumps
- Process pumps
Recommended piping plans
Process side:
API Plan 02
API Plan 03
Between seals:
API Plan 71
API Plan 72
API Plan 76
