Burgmann Type 3N
Materials:
Rotary Ring: Ceramic/SiC
Stationary Ring: Ceramic/SiC
Secondary Seals: NBR/FPM/EPDM
Metal parts: SS304/SS316
Applications:
Pressure: 1 Mpa
Temperature: -20 ～ 150 ℃
Speeds: 13 m/s
Water,waste water,submersible and chemical pumps and equipment.To suit mediums such as il,water and weak corrosive liquid.
Equivalent to BT-Burgmann type FN,Roten type 3
Features:
·Single face,unbalanced structure and driven by conical spring,another side of closed coil locked on the shaft,spring would collected with axial wound of the pump.
·Single structure,good quality and high reliability
·The installation dimensions conform to the standard of GB6556,ISO03069 and DIN24960,which have a wide application range.
| D12 | D13 | L | L3 | L4 | L5 | L6 | L7 | L8 | L10 | L11 | L12 | L13 | L14 | L15 | L16 | L21 | L22 | L23 | L28 | A | b2 | R |
| 16.0 | 16 | - | - | - | - | - | - | - | - | 9.0 | 6.5 | 7.1 | 5.6 | 1.2 | 3.8 | 10.5 | 11.9 | - | - | 8 | - | 1.2 |
| 19.2 | 18 | - | - | - | - | - | - | - | - | 9.0 | 8.0 | 7.1 | 7.0 | 1.2 | 3.8 | 15.5 | 16.9 | - | - | 11 | - | 1.2 |
| 19.2 | 20 | 40 | 15.5 | 10.0 | 1.5 | 4 | 8.5 | 17.5 | 7.5 | 9.0 | 7.5 | 7.1 | 6.6 | 1.2 | 3.8 | 15.5 | 16.9 | - | 6.6 | 13 | (8) | 1.2 |
| 21.6 | 22 | 40 | 16.0 | 10.0 | 1.5 | 4 | 8.5 | 17.5 | 7.5 | 10.0 | 6.5 | 7.6 | 5.6 | 1.2 | 3.8 | 15.5 | 17.4 | - | 6.6 | 16 | (8) | 1.2 |
| 24.6 | 24 | 40 | 16.5 | 10.0 | 1.5 | 4 | 8.5 | 17.5 | 7.5 | 10.0 | 6.5 | 7.6 | 5.6 | 1.2 | 3.8 | 15.5 | 17.4 | 16.5 | 6.6 | 18 | (8) | 1.2 |
| 24.6 | 25 | - | - | - | - | - | - | - | - | 11.0 | 7.5 | 8.6 | 6.6 | 1.2 | 3.8 | 15.5 | 17.4 | - | - | 19 | (8) | 1.2 |
| 28.0 | 26 | 40 | 18.0 | 10.0 | 1.5 | 4 | 8.5 | 17.5 | 7.5 | 11.5 | 8.5 | 9.0 | 7.5 | 1.5 | 5.0 | 17.5 | 19.5 | 16.5 | 6.6 | 21 | (8) | 1.5 |
| 30.0 | 31 | 45 | 19.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 12.5 | 9.0 | 10.0 | 8.0 | 1.5 | 5.0 | 18.5 | 20.5 | 18.0 | 7.5 | 23 | (8) | 1.5 |
| 35.0 | 34 | 45 | 22.0 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 20.0 | 22.0 | 19.0 | 7.5 | 26 | (8) | 1.5 |
| 35.0 | 36 | 45 | 21.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 21.5 | 23.5 | 20.5 | 7.5 | 28 | (8) | 1.5 |
| 38.0 | 38 | 50 | 23.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 23.0 | 25.0 | 22.0 | 7.5 | 30 | (8) | 1.5 |
| 38.0 | 39 | 50 | 26.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 24.5 | 26.5 | 23.5 | 7.5 | 31 | (8) | 1.5 |
| 40.0 | 40 | - | - | - | - | - | 9.0 | - | - | 13.0 | 9.0 | 10.0 | 8.0 | 1.5 | 5.0 | 24.5 | 26.5 | 23.5 | - | 32 | - | 1.5 |
| 42.0 | 42 | 50 | 26.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 14.0 | 10.0 | 11.0 | 9.0 | 1.5 | 5.0 | 24.5 | 26.5 | 24.5 | 7.5 | 35 | (8) | 1.5 |
| 45.0 | 44 | 50 | 26.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 24.5 | 25.0 | 24.5 | 7.5 | 37 | (8) | 1.5 |
| 48.0 | 46 | 55 | 28.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 28.0 | 28.5 | 28.0 | 7.5 | 39 | (8) | 1.5 |
| - | 47 | 55 | 28.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | - | 12.0 | - | - | - | - | - | - | - | 7.5 | 40 | (8) | 1.5 |
| 52.0 | 49 | 55 | 28.5 | 11.5 | 2.0 | 5 | 9.0 | 19.5 | 8.5 | 14.5 | 12.0 | 11.5 | 11.0 | 1.5 | 5.0 | 28.0 | 28.5 | 28.0 | 7.5 | 43 | (8) | 1.5 |
| 55.0 | 54 | 55 | 33.5 | 14.0 | 2.0 | 6 | 9.0 | 22.0 | 10.0 | 14.5 | 11.3 | 11.5 | 10.3 | 1.5 | 5.0 | 31.0 | 32.2 | 31.0 | 9.0 | 45 | 7.5 | 1.5 |
| 58.0 | 56 | 55 | 36.0 | 14.0 | 2.0 | 6 | 9.0 | 22.0 | 10.0 | 14.5 | 11.8 | 11.5 | 10.8 | 1.5 | 5.0 | 34.0 | 34.7 | 34.0 | 9.0 | 49 | (8) | 1.5 |
| 62.0 | 58 | - | - | - | - | - | 9.0 | - | - | 17.0 | 13.2 | 14.3 | 12.0 | 2.0 | 6.0 | 35.0 | 37.3 | 35.0 | - | 52 | - | 2.5 |
| - | 59 | 60 | 38.5 | 14.0 | 2.0 | 6 | 9.0 | 22.0 | 10.0 | - | 13.2 | - | - | 2.0 | - | - | - | - | 9.0 | 52 | 7.5 | 2.5 |
| 64.0 | 61 | 60 | 39.5 | 14.0 | 2.0 | 6 | 9.0 | 22.0 | 10.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 36.5 | 39.2 | 36.5 | 9.0 | 55 | (8) | 2.5 |
| 68.4 | 64 | 60 | 46.0 | 14.0 | 2.0 | 6 | 9.0 | 22.0 | 10.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 42.0 | 44.7 | 42.0 | 9.0 | 58 | (8) | 2.5 |
| 69.3 | 66 | 60 | 45.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 10.5 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 43.0 | 45.7 | 43.0 | 9.5 | 61 | (8) | 2.5 |
| - | 69 | 70 | 47.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | - | 13.5 | - | - | - | - | - | - | - | 11.0 | 64 | 8.0 | 2.5 |
| 75.4 | 71 | 70 | 49.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 47.0 | 49.0 | 47.0 | 11.0 | 66 | (8) | 2.5 |
| 78.4 | 78 | 70 | 55.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 50.0 | 52.0 | 50.0 | 11.0 | 69 | (8) | 2.5 |
| 80.4 | 79 | 70 | 55.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 51.0 | 53.0 | 51.0 | 11.0 | 71 | (8) | 2.5 |
| - | 83 | 70 | 55.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | - | 14.2 | - | - | - | - | - | - | - | 11.0 | 74 | (8) | 2.5 |
| 85.4 | 85 | 80 | 55.0 | 15.0 | 2.5 | 6 | 9.0 | 23.0 | 12.0 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 52.0 | 54.3 | 52.0 | 11.0 | 77 | (8) | 2.5 |
| 91.5 | 88 | 80 | 55.0 | 18.0 | 2.5 | 7 | 9.0 | 26.0 | 12.5 | 19.0 | 14.9 | 16.0 | 13.7 | 2.0 | 6.0 | 53.0 | 55.3 | 52.7 | 11.3 | 80 | (8) | 2.5 |
| 92.0 | 90 | 80 | 57.0 | 18.0 | 2.5 | 7 | 9.0 | 26.0 | 12.5 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 54.0 | 56.3 | 54.0 | 11.3 | 83 | (10) | 2.5 |
| 99.0 | 98 | 80 | 62.0 | 18.0 | 2.5 | 7 | 9.0 | 26.0 | 12.5 | 18.0 | 15.2 | 15.3 | 14.0 | 2.0 | 6.0 | 55.0 | 56.3 | 54.0 | 11.3 | 88 | (10) | 2.5 |
| 104.0 | 103 | 90 | 61.8 | 18.2 | 3.0 | 7 | 9.0 | 26.0 | 13.0 | 19.0 | 16.2 | 16.3 | 15.0 | 2.0 | 6.0 | 58.0 | 59.3 | 58.0 | 12.0 | 93 | 10.0 | 2.5 |