Features seal saf(v) / sap(v)
- Cartridge design
- Single seal
- Balanced
- Dependent on direction of rotation
- Integrated pumping device
Stationary spring loaded unit - Inserted seal face
- Rotating carbon seat
Advantages seal saf(v) / sap(v)
- Deformation-optimized seal for high sliding velocities and medium pressures
- 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 / seal face 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 saf(v) / sap(v)
- Shaft diameter:
d1* = 120 … 250 mm (4.72″ … 9.84″) - Pressure: p1 = 50 bar (725 PSI)
- Temperature: t = +300 °C (+572 °F)
- Sliding velocity: vg = 65 m/s (213 ft/s)
- Axial movement: ±3 mm
* Other sizes on request
Materials seal saf(v) / sap(v)
- Seal face: Silicon carbide (Q), SiC-C-Si Silicon impregnated carbon (Q3)
- Seat: Carbon graphite resin impregnated (B),
SiC-C-Si Silicon impregnated carbon (Q3) - Secondary seals: EPDM (E), FFKM (K)
- Springs: CrNiMo steel (G)
Metal parts: CrNiMo steel (G)
| Item | Description |
| 1 | Seal face |
| 2 | O-Ring |
| 3 | Spring |
| 4 | O-Ring |
| 5 | Seat collar |
| 6 | Seat |
| 7 | Shaft sleeve |
| 8 | Pumping sleeve |
| 9 | Cover |
| 10 | Throttle ring |
Recommended applications seal saf(v) / sap(v)
- Power plant technology
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Boiler feed water with low conductivity
- Boiler feed pumps
