Features
- Dual seal
- Balanced
- Independent of direction of rotation
- Independent of pressure direction
Advantages
- Robust and easy to install design
- Springs protected from the product
- No metal parts on the product side
- Simple conversion of gland packings
Operating range
- Shaft diameter:
- d1 = 20 … 300 mm (0.79″ … 11.81″)
- Pressure: p1 = 16 bar (232 PSI)
- Temperature:
- t = -40 °C … 220 °C ( -40 °F … 428° F)
- Sliding velocity: vg = 20 m/s (66 ft/s)
Materials
- Seal face:
- Silicon Carbide (Q2), CrMo cast steel (S)
- Seat: Carbon graphite resin
- impregnated (B), Silicon carbide (Q2)
- Secondary seals:
- EPDM (E), NBR (P), FKM (V), FFKM
- (K), coated (M)
- Springs: CrNiMo steel (G)
- Metal parts: CrNiMo steel (G)
| Item | Description |
| 1.1, 1.2 | Seal ring |
| 2.1, 2.2 | Mating ring |
| 3.1, 3.2, 4.1, 4.2, 4.3 | O-Ring |
| 5.1 | Clamping ring |
| 5.2 | Screw |
| 5.3 | Set screw |
| 5.4 | Spring |
Recommended applications
- Process industry
- Oil and gas industry
- Refining technology
- Petrochemical industry
- Chemical industry
- Pharmaceutical industry
- Power plant technology
- Pulp and paper industry
- Water and waste water technology
- Mining industry
- Building services industry
- Food and beverage industry
- Shipbuilding
- Sugar industry
- Metal production and processing
