Burgmann Type 2N
Materials:
Rotary Ring: Ceramic/SiC
Stationary Ring: Ceramic/SiC
Secondary Seals: NBR/FPM/EPDM
Metal parts: SS304/SS316
Applications:
Shaft Size =10 ～40mm
Pressure: 1.0 Mpa
Temperature: -20 ～ 150 ℃
Speeds: 13 m/s
Used in clean water pumps,sewage pumps,submersible pumps and chemical pumps,which apply to oil,water and weak corrosive solutions.
Equivalent to BT-Burgmann type FN,Roten type 3
Features:
·Single face,unbalanced structure and conical spring.
·Simple structure,good performance and reliable seal.
| >MODEL | D1 | D3 | D4 | D6 | D7 | L | L3 | L4 | L5 | L6 | L7 | L8 | A |
| 2N-12 | 12 | 19.7 | 24 | 16.5 | 20.6 | 23.5 | 18 | 5.5 | 1.2 | 2.8 | 6.2 | 7.0 | 15.5 |
| 2N-14 | 14 | 22.6 | 27 | 19.0 | 23.1 | 28.0 | 22 | 6.0 | 1.2 | 2.8 | 6.7 | 8.0 | 18.0 |
| 2N-15 | 15 | 23.8 | 31 | 21.0 | 26.9 | 29.0 | 22 | 7.0 | 1.3 | 3.7 | 7.6 | 8.0 | 19.0 |
| 2N-16 | 16 | 25.5 | 31 | 21.0 | 26.9 | 30.0 | 23 | 7.0 | 1.3 | 3.7 | 7.6 | 8.0 | 20.0 |
| 2N-17 | 17 | 26.5 | 31 | 21.0 | 26.9 | 30.0 | 23 | 7.0 | 1.3 | 3.7 | 7.6 | 8.0 | 21.0 |
| 2N-18 | 18 | 28.5 | 36 | 25.0 | 30.9 | 32.0 | 24 | 8.0 | 1.3 | 3.7 | 8.5 | 9.3 | 22.5 |
| 2N-19 | 19 | 29.5 | 36 | 25.0 | 30.9 | 33.0 | 25 | 8.0 | 1.3 | 3.7 | 8.5 | 9.3 | 23.5 |
| 2N-20 | 20 | 29.5 | 36 | 25.0 | 30.9 | 33.0 | 25 | 8.0 | 1.3 | 3.7 | 8.5 | 9.3 | 25.0 |
| 2N-22 | 22 | 34.0 | 41 | 30.0 | 35.4 | 33.0 | 25 | 8.0 | 1.8 | 3.7 | 8.5 | 9.3 | 27.0 |
| 2N-24 | 24 | 34.5 | 41 | 30.0 | 35.4 | 35.0 | 27 | 8.0 | 1.8 | 3.7 | 8.5 | 9.3 | 30.0 |
| 2N-25 | 25 | 37.0 | 45 | 33.0 | 38.2 | 35.5 | 27 | 8.5 | 1.8 | 3.7 | 9.1 | 10.0 | 31.0 |
| 2N-26 | 26 | 37.5 | 45 | 33.0 | 38.2 | 35.5 | 27 | 8.5 | 1.8 | 3.7 | 9.1 | 10.0 | 32.0 |
| 2N-28 | 28 | 41.5 | 50 | 38.0 | 43.3 | 38.0 | 29 | 9.0 | 1.8 | 3.7 | 9.6 | 11.0 | 34.5 |
| 2N-30 | 30 | 44.6 | 50 | 38.0 | 43.3 | 39.0 | 30 | 9.0 | 1.8 | 3.7 | 9.6 | 11.0 | 37.0 |
| 2N-32 | 32 | 44.6 | 50 | 38.0 | 43.3 | 39.0 | 30 | 9.0 | 1.8 | 3.7 | 9.6 | 11.0 | 39.0 |
| 2N-35 | 35 | 49.5 | 60 | 45.0 | 53.5 | 50.5 | 39 | 11.5 | 2.1 | 5.4 | 12.0 | 14.3 | 43.0 |
| 2N-38 | 38 | 54.0 | 68 | 52.0 | 60.5 | 50.5 | 39 | 11.5 | 2.1 | 5.4 | 12.0 | 14.3 | 46.0 |
| 2N-40 | 40 | 56.0 | 68 | 52.0 | 60.5 | 50.5 | 39 | 11.5 | 2.1 | 5.4 | 12.0 | 14.3 | 48.0 |
| 2N-42 | 42 | 58.5 | 68 | 52.0 | 60.5 | 50.5 | 39 | 11.5 | 2.1 | 5.4 | 12.0 | 14.3 | 50.0 |
| 2N-45 | 45 | 63.5 | 72 | 57.0 | 65.5 | 52.5 | 41 | 11.5 | 2.1 | 5.4 | 13.0 | 15.2 | 53.5 |
| 2N-48 | 48 | 65.5 | 72 | 57.0 | 65.5 | 52.5 | 41 | 11.5 | 2.1 | 5.4 | 13.0 | 15.2 | 57.0 |
| 2N-50 | 50 | 68.0 | 80 | 64.0 | 72.5 | 56.5 | 45 | 11.5 | 2.1 | 5.4 | 13.0 | 15.2 | 59.0 |
| 2N-55 | 55 | 73.5 | 80 | 64.0 | 72.5 | 58.5 | 47 | 11.5 | 2.1 | 5.4 | 13.0 | 15.2 | 65.0 |
| 2N-60 | 60 | 79.0 | 87 | 72.0 | 79.3 | 60.5 | 49 | 11.5 | 2.1 | 5.4 | 13.5 | 18.2 | 71.0 |
| 2N-65 | 65 | 86.0 | 92 | 77.0 | 84.5 | 62.5 | 51 | 11.5 | 2.1 | 5.4 | 13.5 | 18.2 | 76.0 |