BT-RN.NB / BT-RN.KB
BT-RN.NB / BT-RN.KB
| Pos. | Benennung |
| 1.1 | Gleitring |
| 2.1 | Stationärer Gegenring |
| 1.2 | O-Ring |
| 1.3 | Feder |
| 2.2 | O-Ring |
BT-RN.NB / BT-RN.KB
Features
- Single seal
- For stepped shafts
- Balanced version of BT-RN
- Conical spring rotating
- Dependent on direction of rotation
- Torque transmission via conical spring
Advantages
- Economical balanced seal
- Universal application opportunities
- No damage of the shaft by set screws
- Variants with shrink fitted face available
Materials
Seal face:
CrNi steel 1.4057 (F1), CrNiMo steel 1.4401 (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 (V)
Metal parts: CrNiMo steel (G), CrNi steel (F, F1)
CrNi steel 1.4057 (F1), CrNiMo steel 1.4401 (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 (V)
Metal parts: CrNiMo steel (G), CrNi steel (F, F1)
Standards and approvals
- Various material approvals e.g. WRAS, UBA, ACS, NSF, FDA available (depending on type and material combinations). Please inquire!
- EN 12756
Recommended applications
- Water and wastewater technology
- Building services industry
- Low solid content media
- Centrifugal pumps
- Clean water pumps
Notes
Alternative seat ring can be supplied with short tail or long tail with slot for pin (to prevent seat rotation).
Product variants
Similar products
AX25
- External configuration
- Balanced
- Independent of direction of rotation
- Independent of pressure direction
AX25D
- Dual seal
- Balanced
- Independent of direction of rotation
- Independent of pressure direction
AX30
- Unbalanced
- Dependent on direction of rotation
- Solid seats