产品介绍
- For plain shafts
- Single seal
- Unbalanced
- Conical spring rotating
- Dependent on direction of rotation
- Torque transmission via conical spring
- Universal application opportunities
- Large choice of materials
- No shaft damage from set screws
- Dimensions can be adjusted and additional seats available
- Variants with shrink fitted face available
- Various material approvals e.g. WRAS, UBA, ACS, NSF, FDA available (depending on type and material combinations). Please inquire!
- EN 12756
- Water and wastewater technology
- Building services industry
- Chemical industry
- Food and Beverage industry
- Low solid content media
- Centrifugal pumps
- Cooling water pumps
- Clean water pumps
| Item | Description |
| 1.1 | Seal face |
| 1.2 | O-ring |
| 1.3 | Spring |
| 2.1 | Seat |
| 2.2 | O-ring |
Features
Advantages
Operating range
Shaft diameter:
d1 = 6 … 110 mm (0.24" … 4.33"),
Pressure: p1* = 10(12) bar (145(174) PSI)
Temperature: t* = -20 °C … +140 °C (-4 °F … +284 °F)
Sliding velocity: vg = 15 m/s (50 ft/s)
* Dependent on medium, size and material
Materials
Seal face:
CrNi steel (F, F1), CrNiMo steel (G), Tungsten carbide (U), Silicon carbide (Q1)
Seat:
Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Tungsten carbide (U), Silicon carbide (Q1)
Elastomers:
NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts:
CrNi steel 1.4301 (F), CrNiMo steel 1.4401 (G)
Standards and approvals
Recommended applications
Notes
Alternative seat ring can be supplied with short tail or long tail with slot for pin (to prevent seat rotation).