RJWH12N
Mechanical seals for pumps
Features
- For stepped shafts
- Single seal
- Balanced
- Dependent of direction of rotation
- Torque transmission via conical spring
Advantages
- High flexibility due to extended selection of materials
- Insensitive to low solids contents
- Short Installation length possible (G16)
- Economical balanced seal
- Seat cooling for hot water applications available (G115)
- No damage of the shaft by set screw
Recommended applications
- Chemical industry
- Pulp and paper industry
- Water and waste water technology
- Low solids content media (H12GN)
- Hot water
- Chemical standard pumps
- Water and sewage pumps
Materials
- Seal face: Carbon graphite antimony impregnated (A)
- Seat G9: Silicon carbide (Q1), Special cast CrMo steel (S)
Operating range
- Shaft diameter: d1 = 10 ... 80 mm (0.4" ... 3.125")
- Pressure: p1 = 25 bar (363 PSI)
- Temperature: t = -50 °C ... +220 °C (-58 °F ... +430 °F)
- Sliding velocity: vg = 15 m/s (50 ft/s)
- Axial movement: ±1.0 mm
Standards and approvals
- EN 12756