Mechanical seal H-brinker
HB75VK
Operating range Mechanical seal HB75VK
Shaft diameter:
d = 20 … 110 mm (0.79″ … 4.33″)*
Pressure:
p1 = 40 bar (580 PSI)
Temperature:
t = -40 °C … +220 °C (-40 °F … 428 °F)
Sliding velocity:
vg = 23 m/s (75 ft/s)
Axial movement:
±2.0 … 4.0 mm depending on diameter and installation situation
Table of Mechanical seal descriptions HB75VK
| Item | Description |
| 1 | Seal ring |
| 2 | Mating ring |
| 3, 4.1, 4.2 | O-Ring |
| 5 | Thrust unit |
Features Seal HB75VK
- Dual seal
- Cartridge unit
- Design acc. to API 682 / ISO 21049
- Category 2/3, Type A,
- Arrangement 2 or 3
- Bi-directional design available
- Rotating multiple springs
- Integrated pumping device available
- Suitable for pressure reversals
Advantages mechanical seal HB75VK
- Fits to any seal chamber
- Universally applicable both for retrofits or original equipment
- Efficient stock-keeping due to standardized components
- Extended selection of materials
- Extended field of operation in terms of temperature and pressure
- Optimized torque transmission
- Metal parts also in special materials available
- Safe operation due to metal torque transmission at the rotating seat
Materials Seal HB75VK
- Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q1, Q2)
- Seat: Silicon carbide (Q1, Q2)
- Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
- Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
Recommended applications seal HB75VK
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Power plant technology
- Light volatile and highly viscous hydrocarbons
- API 610 / ISO 13709 pumps
- Process pumps
Dimension Table Seal HB75VK
| Item | Description |
| 1.1.1, 2.1.1 | Seal face |
| 1.1.2, 2.1.2 | Driver |
| 1.1.3, 2.1.3 | Thrust ring |
| 1.1.4, 2.1.4, 1.3, 2.3 | O-Ring |
| 1.1.5, 2.1.5 | Sleeve |
| 1.1.6, 2.1.6 | Spring |
| 1.1.7, 16 | Set screw |
| 1.2, 2.2 | Seat |
| 3 | Shaft sleeve |
| 4 | Key |
| 6 | Adapter |
| 8 | Washer |
| 9 | Pin |
| 11 | Housing |
| 12 | HSH cap screw |
| 13 | Assembly fixture |
| 14 | Hexagon bolt |
| 15 | Set ring |