BT-RN Balanced
BT-RN Balanced
| Pos. | Benennung |
| 1.1 | Gleitring |
| 2.1 | Stationärer Gegenring |
| 1.2 | O-Ring |
| 1.3 | Feder |
| 2.2 | O-Ring |
BT-RN.NB Einbaulänge l1N nach EN 12756 (normale Länge).
BT-RN.KB Einbaulänge l1K nach EN 12756 (normale Länge).
BT-RN Balanced
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
Seat ring of alternative seats can be supplied with short tail or with pin to block the seat and prevent seat rotation.
Product variants
BT-RN3.NB / KB
Seal faces made of brazed tungsten carbide which is suitable for media with medium corrosive and abrasive characteristics.
Seal faces made of brazed tungsten carbide which is suitable for media with medium corrosive and abrasive characteristics.
| Item | Description |
| 1 | Seal face housing |
| 1a | Brazed seal face |
| 2 | Stationary seat housing |
| 2a | Brazed stationary seat |
| 3, 3a | O-Ring |
| 4 | Spring |
| A | Spacer (upon request) |
Similar products
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