Features mechanical seal h75vn
- Single seal
- Cartridge unit
- Design acc. to API 682 / ISO 21049
- Category 2 and 3, Type A, Arrangement 1
- Independent of direction of rotation
- Rotating multiple springs
- Integrated pumping device available (H75VP)
Advantages mechanical seal h75vn
- “Low-Emission-Seal” acc. to the American STLE-limits
- 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
- Metal parts also in special materials available
Operating range mechanical seal h75vn
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
* Other sizes on request
Materials mechanical seal h75vn
- Seal face: Carbon graphite antimony impregnated (A)
- 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)
| Item | Description |
| 1.1.1 | Seal face |
| 1.1.2 | Driver |
| 1.1.3 | Thrust ring |
| 1.1.4, 1.3 | O-Ring |
| 1.1.5 | Sleeve |
| 1.1.6 | Spring |
| 1.1.7 | Set screw |
| 1.2 | Seat |
| 2 | Shaft sleeve |
| 4 | Housing |
| 5 | Insert |
| 7 | Throttle ring |
| 9 | Washer |
| 10 | Assembly fixture |
| 11 | Hexagon bolt |
| 12 | Set ring |
| 13 | Set screw |
Recommended applications Seal h75vn
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Power plant technology
- Light hydrocarbons
- Hot water
- API 610 / ISO 13709 pumps
- Process pumps
