BT-FH Balanced
BT-FH Balanced
| Item | Description |
| 1 | Seal face |
| 2 | Stationary seat |
| 3, 3a, 3b | O-Ring |
| 4 | Spring |
| 5 | Collar |
| A | Spacer (upon request) |
BT-FH Balanced
Features
- Single pusher-type seal
- Balanced
- Dependent on direction of rotation
- Conical spring
- Length according to EN 12756
- Version NB (normal length, balanced L1NB)
Advantages
The BT-FH mechanical seal range has been designed for universal application and is ideally suited for standardization. It is a cost-effective version of a balanced seal with the added advantage of only having to replace the wearing faces during overhauls. Installation length in accordance with EN 12756 (L1NB).
Materials
Seal face: Silicon carbide (Q1)
Seat: Carbon graphite resin impregnated (B), Carbon graphite, full carbon (B3), Carbon graphite antimony impregnated (A), Silicon carbide (Q1)
Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts: CrNiMo steel (G)
Seat: Carbon graphite resin impregnated (B), Carbon graphite, full carbon (B3), Carbon graphite antimony impregnated (A), Silicon carbide (Q1)
Elastomers: NBR (P), EPDM (E), FKM (V), FFKM (K)
Metal parts: CrNiMo steel (G)
Standards and approvals
- KTW
- W270
- ACS
- WRAS
- NSF
- FDA
- DM 174/04
Recommended applications
- Chemical industry
- Building services industry
- 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-FH.NB DV
The BT-FH.NB DV is a variant of the BT-FH.NB with a vertical pin for torque transmission in the conical spring. Same installation length as BT-FH.NB, in accordance with EN 12756 (L1NB).
The BT-FH.NB DV is a variant of the BT-FH.NB with a vertical pin for torque transmission in the conical spring. Same installation length as BT-FH.NB, in accordance with EN 12756 (L1NB).
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