Features mechanical seal shpv / shfv
- Cartridge design
- Single seal
- Balanced
- Dependent of direction of rotation
- Integrated pumping device
- Stationary spring loaded unit
- Multiple springs
- Shrink-fitted seal face
Advantages mechanical seal shpv / shfv
- Deformation-optimized seal for highest pressure levels
- Economical due to standardized inner components
- High flexibility due to adaptation of the connection parts to the pump seal chamber
- Optimum heat dissipation due to integrated pumping device and optimized seat design
- Insensitive to shaft deflections due to stationary design
- Pre-assembled unit for quick and easy installation
- Only small number of components
Operating range seal shpv / shfv
- Shaft diameter:
d1* = 40 … 250 mm (1.57″ … 9.84″) - Pressure: p1 = 150 bar (2,175 PSI)
- Temperature: t = +350 °C (+662 °F)
- Sliding velocity: vg = 60 m/s (197 ft/s)
- Axial movement: ± 3 mm
Materials seal shpv / shfv
- Seal face: Carbon graphite antimony impregranted (A)
- Seat: Silicon carbide (Q)
- Secondary seals: EPDM (E), FFKM (K)
- Springs: CrNiMo steel (G)
- Metal parts: CrNiMo steel (G)
| Item | Description |
| 1.1.1 | Seal face pressure-stabilized |
| 1.1.3 | Spring |
| 1.1.4 | Back-up ring |
| 1.2 | Seat |
| 2 | Seat housing with pumping screw (F) or pumping ring (P) |
| 6 | Cover |
| 9 | Assembly fixture |
Recommended applications seal shpv / shfv
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Power plant technology
- Boiler feed water
- Boiler circulation pumps
