Features
- Single cartridge seal
- Elastomer bellows
- Unbalanced
- Independent of direction of rotation
- Rotating spring
- Bellows and spring free from torsion
- Metric and inch sizes available
Advantages
- Straightforward and easy installation
- Fits into any installation space due to smallest outer diameter
- Important material certifications available
- Universal application opportunities (standardization)
- No modifications of the pump’s installation chamber necessary
- Economical cartridge solution
- Comes with flush connection acc. to API 682, Plan 11 for seal chamber cleaning and cooling
Operating range
Shaft diameter:
dN = 25 … 75 mm (1″ … 2.625″)
Pressure: p1 = 12 bar (174 PSI)
Temperature:
t = -20 °C … 140 °C (-4 °F … 284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±0.5 mm
Materials
Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E)
Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)