TYPE 155, 155A, Burgmann BT-FN, Burgmann BT-FN.NU, ROTEN TYPE 3, UNITEN TYPE 3, AESSEAL T04, AESSEAL T04D, O Ring Mechanical Seals
THE 155 seal is named BT-FN in Burgmann,, The BT-FN combines a spring loaded ceramic face with the tradition of the pusher mechanical seals. the competitive price and the wide range of application have made 155(BT-FN) a successful seal. recommended for submersible pumps. clean water pumps, pumps for domestic appliances and gardening .
Performance Capabilities
Temperature: -30C to 180C dependent on the elastomer
Pressure: Up to 8 bar
Speed: Up to 10 m/s
Sizes: 12mm to 40mm
Materials Combination
Face: Ceramic, SiC, TC
Seat: Carbon, SiC, TC
O-rings: NBR, EPDM, VITON, Aflas, FEP, FFKM
Spring: SS304, SS316
Metal parts: SS304, SS316
| Seal Size d | D3 | D2 | D1 | L1 | L2 | L3 |
| 10 | 20.0 | 14.0 | 18.1 | 15.0 | 5.5 | 7.0 |
| 11 | 22.0 | 16.5 | 20.6 | 18.0 | 5.5 | 7.0 |
| 12 | 22.0 | 16.5 | 20.6 | 18.0 | 5.5 | 7.0 |
| 13 | 25.0 | 19.0 | 23.1 | 22.0 | 6.0 | 7.5 |
| 14 | 25.0 | 19.0 | 23.1 | 22.0 | 6.0 | 7.5 |
| 15 | 29.0 | 21.0 | 26.9 | 22.0 | 7.0 | 9.2 |
| 16 | 29.0 | 21.0 | 26.9 | 23.0 | 7.0 | 9.2 |
| 17 | 29.0 | 21.0 | 26.9 | 23.0 | 7.0 | 9.2 |
| 18 | 33.0 | 25.0 | 30.9 | 24.0 | 8.0 | 10.0 |
| 19 | 33.0 | 25.0 | 30.9 | 25.0 | 8.0 | 10.0 |
| 20 | 33.0 | 25.0 | 30.9 | 25.0 | 8.0 | 10.0 |
| 21 | 38.0 | 30.0 | 35.4 | 25.0 | 8.0 | 10.0 |
| 22 | 38.0 | 30.0 | 35.4 | 25.0 | 8.0 | 10.0 |
| 23 | 38.0 | 30.0 | 35.4 | 27.0 | 8.0 | 10.0 |
| 24 | 38.0 | 30.0 | 35.4 | 27.0 | 8.0 | 10.0 |
| 25 | 40.0 | 33.0 | 38.2 | 27.0 | 8.5 | 10.0 |
| 28 | 46.0 | 38.0 | 43.3 | 29.0 | 9.0 | 11.0 |
| 29 | 46.0 | 38.0 | 43.3 | 30.0 | 9.0 | 11.0 |
| 30 | 46.0 | 38.0 | 43.3 | 30.0 | 9.0 | 11.0 |
| 32 | 46.0 | 38.0 | 43.3 | 30.0 | 9.0 | 11.0 |
| 33 | 48.0 | 45.0 | 53.5 | 39.0 | 11.5 | 13.0 |
| 35 | 50.0 | 45.0 | 53.5 | 39.0 | 11.5 | 13.0 |
| 38 | 56.0 | 52.0 | 60.5 | 39.0 | 11.5 | 13.0 |
| 40 | 58.0 | 52.0 | 60.5 | 39.0 | 11.5 | 13.0 |
| d (155A) | D2 | D1 | L2 | L3 |
| 10.0 | 17 | 21 | 7 | 8.5 |
| 12.0 | 19 | 23 | 7 | 8.5 |
| 14.0 | 21 | 25 | 7 | 8.5 |
| 16.0 | 23 | 27 | 7 | 8.5 |
| 18.0 | 27 | 33 | 10 | 12.0 |
| 20.0 | 29 | 35 | 10 | 12.0 |
| 22.0 | 31 | 37 | 10 | 12.0 |
| 24.0 | 33 | 39 | 10 | 12.0 |
| 25.0 | 34 | 40 | 10 | 12.0 |
| 28.0 | 37 | 43 | 10 | 12.0 |
| 30.0 | 39 | 45 | 10 | 12.0 |
| 32.0 | 42 | 48 | 10 | 11.5 |
| 33.0 | 42 | 48 | 10 | 11.5 |
| 35.0 | 44 | 50 | 10 | 11.5 |
| 38.0 | 49 | 58 | 13 | 15.0 |
| 40.0 | 51 | 58 | 13 | 15.0 |
Our goal is to make your repair easy without compromising on quality. Repair kits greatly reduce costly downtime, saving costs while sustaining production. Our pump rebuild kits are supplied with the same components you'll find in an OEM kit; however, we offer them at a fraction of the price.
Need hard faces or specialty elastomers? Give us a call. We can quickly build a repair kit to withstand any medium being pumped. You'll find All Seals' pump repair kits an invaluable part of your operation.
