Pusher Seal
Elastomer Seal
Metal Bellows
Standard Cartridge
Split Seal
Gas Lubricated
Engineered Seal
Compressor Seal
Agitator Seal
Marine Seal
Mechanical Seal M7N
Type in the H-Brinker HB7N
M7N Operating range
- Shaft diameter: d1 = 14 … 100 mm (0.55 ” … 3.94 “)
- Pressure: p1 = 25 bar (363 PSI)
- Temperature: t = -50 °C … +220 °C (-58 °F … +428 °F)
- Sliding velocity: vg = 20 m/s (66 ft/s)
- Axial movement:
d1 = up to 25 mm: ±1.0 mm
d1 = 28 up to 63 mm: ±1.5 mm
d1 = from 65 mm: ±2.0 mm
Description
| Item | Part no. to DIN 24250 | Description |
| 1.1 | 472 | Seal face |
| 1.2 | 485 | Drive collar |
| 1.3 | 474 | Thrust ring |
| 1.4 | 412.1 | O-Ring |
| 1.5 | 477 | Spring |
| 1.6 | 904 | Set screw |
| 2 | 475 | Seat (G9) |
| 3 | 412.2 | O-Ring |
Seal M7N Features (HB7N)
- For plain shafts
- Single seal
- Unbalanced
- Super-Sinus-spring
- Independent of direction of rotation
Seal M7N Material
- Seal face: Silicon carbide (Q1)
- Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1)
Seat G4, G6 (Q1), Seat G13 (A, B) - Secondary seals: EPDM (E), FKM (V), FFKM (K)
- Springs: CrNiMo steel (G)
- Metal parts: CrNiMo steel (G), Duplex (G1)
Seal M7N Advantages (HB7N)
- Universal application opportunities
- Efficient stock keeping due to easily interchangeable faces
- Extended selection of materials
- Insensitive to low solids contents
- Flexibility in torque transmissions
- Self cleaning effect
- Short installation length possible (G16)
- Pumping screw for media with higher viscosity (M7..F)
Seal M7N Recommended applications
Process industry
Chemical industry
Pulp and paper industry
Water and waste water technology
Shipbuilding
Lube oils
Low solids content media
Water / sewage water pumps
Chemical standard pumps
Vertical screw pumps
Gear wheel feed pumps
Multistage pumps (drive side)
Circulation of printing colors with viscosity 500 … 15,000 mm2/s.
Seat HB2N – G6
Seat HB2N – G4
Seat HB2N – G16
Seat HB2N – G9
Seat HB2N – G13
Dimension Table
| d1 | d3 | d6 | d7 | d8 | d11 | d12 | d24 | ds | l1k | l3 | l5 | l6 | l7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 14* | 25 | 21.0 | 25.0 | 3 | 20.5 | 24.6 | 16 | 34 | 35.0 | 25.0 | 1.5 | 4 | 8.5 |
| 16* | 27 | 23.0 | 27.0 | 3 | 22.0 | 28.0 | 18 | 36 | 35.0 | 25.0 | 1.5 | 4 | 8.5 |
| 18* | 33 | 27.0 | 33.0 | 3 | 24.0 | 30.0 | 20 | 38 | 37.5 | 26.0 | 2.0 | 5 | 9.0 |
| 20* | 35 | 29.0 | 35.0 | 3 | 29.5 | 35.0 | 22 | 40 | 37.5 | 26.0 | 2.0 | 5 | 9.0 |
| 22* | 37 | 31.0 | 37.0 | 3 | 29.5 | 35.0 | 24 | 42 | 37.5 | 26.0 | 2.0 | 5 | 9.0 |
| 24* | 39 | 33.0 | 39.0 | 3 | 32.0 | 38.0 | 26 | 44 | 40.0 | 28.5 | 2.0 | 5 | 9.0 |
| 25* | 40 | 34.0 | 40.0 | 3 | 32.0 | 38.0 | 27 | 45 | 40.0 | 28.5 | 2.0 | 5 | 9.0 |
| 28* | 43 | 37.0 | 43.0 | 3 | 36.0 | 42.0 | 30 | 47 | 42.5 | 31.0 | 2.0 | 5 | 9.0 |
| 30* | 45 | 39.0 | 45.0 | 3 | 39.2 | 45.0 | 32 | 49 | 42.5 | 31.0 | 2.0 | 5 | 9.0 |
| 32* | 47 | 42.0 | 48.0 | 3 | 42.2 | 48.0 | 34 | 51 | 42.5 | 31.0 | 2.0 | 5 | 9.0 |
| 33* | 48 | 42.0 | 48.0 | 3 | 44.2 | 50.0 | 35 | 51 | 42.5 | 31.0 | 2.0 | 5 | 9.0 |
| 35* | 50 | 44.0 | 50.0 | 3 | 46.2 | 52.0 | 37 | 54 | 42.5 | 31.0 | 2.0 | 5 | 9.0 |
| 38* | 55 | 49.0 | 56.0 | 4 | 49.2 | 55.0 | 40 | 59 | 45.0 | 31.0 | 2.0 | 6 | 9.0 |
| 40* | 57 | 51.0 | 58.0 | 4 | 52.2 | 58.0 | 42 | 61 | 45.0 | 31.0 | 2.0 | 6 | 9.0 |
| 43* | 60 | 54.0 | 61.0 | 4 | 53.3 | 62.0 | 45 | 65 | 45.0 | 31.0 | 2.0 | 6 | 9.0 |
| 45* | 62 | 56.0 | 63.0 | 4 | 55.3 | 64.0 | 47 | 66 | 45.0 | 31.0 | 2.0 | 6 | 9.0 |
| 48* | 65 | 59.0 | 66.0 | 4 | 59.7 | 68.4 | 50 | 69 | 45.0 | 31.0 | 2.0 | 6 | 9.0 |
| 50* | 67 | 62.0 | 70.0 | 4 | 60.8 | 69.3 | 52 | 71 | 47.5 | 32.5 | 2.5 | 6 | 9.0 |
| 53* | 70 | 65.0 | 73.0 | 4 | 63.8 | 72.3 | 55 | 75 | 47.5 | 32.5 | 2.5 | 6 | 9.0 |
| 55* | 72 | 67.0 | 75.0 | 4 | 66.5 | 75.4 | 57 | 76 | 47.5 | 32.5 | 2.5 | 6 | 9.0 |
| 58* | 79 | 70.0 | 78.0 | 4 | 69.5 | 78.4 | 60 | 83 | 52.5 | 37.5 | 2.5 | 6 | 9.0 |
| 60* | 81 | 72.0 | 80.0 | 4 | 71.5 | 80.4 | 62 | 85 | 52.5 | 37.5 | 2.5 | 6 | 9.0 |
| 63* | 84 | 75.0 | 83.0 | 4 | 74.5 | 83.4 | 65 | 88 | 52.5 | 37.5 | 2.5 | 6 | 9.0 |
| 65* | 86 | 77.0 | 85.0 | 4 | 76.5 | 85.4 | 67 | 95 | 52.5 | 37.5 | 2.5 | 6 | 9.0 |
| 68* | 89 | 81.0 | 90.0 | 4 | 82.7 | 91.5 | 70 | 93 | 52.5 | 34.5 | 2.5 | 7 | 9.0 |
| 70* | 91 | 83.0 | 92.0 | 4 | 83.0 | 92.0 | 72 | 95 | 60.0 | 42.0 | 2.5 | 7 | 9.0 |
| 75* | 99 | 88.0 | 97.0 | 4 | 90.2 | 99.0 | 77 | 105 | 60.0 | 42.0 | 2.5 | 7 | 9.0 |
| 80* | 104 | 95.0 | 105.0 | 4 | 95.2 | 104.0 | 82 | 109 | 60.0 | 41.8 | 3.0 | 7 | 9.0 |
| 85* | 109 | 100.0 | 110.0 | 4 | 100.2 | 109.0 | 87 | 114 | 60.0 | 41.8 | 3.0 | 7 | 9.0 |
| 90* | 114 | 105.0 | 115.0 | 4 | 105.2 | 114.0 | 92 | 119 | 65.0 | 46.8 | 3.0 | 7 | 9.0 |
| 95* | 119 | 110.0 | 120.0 | 4 | 111.6 | 120.3 | 97 | 124 | 65.0 | 47.8 | 3.0 | 7 | 9.0 |
| 100* | 124 | 115.0 | 125.0 | 4 | 114.5 | 123.3 | 102 | 129 | 65.0 | 47.8 | 3.0 | 7 | 9.0 |
| 105 | 138 | 122.2 | 134.3 | 5 | – | – | 108 | 143 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 110 | 143 | 128.2 | 140.3 | 5 | – | – | 113 | 148 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 115 | 148 | 136.2 | 148.3 | 5 | – | – | 118 | 153 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 120 | 153 | 138.2 | 150.3 | 5 | – | – | 123 | 158 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 125 | 158 | 142.2 | 154.3 | 5 | – | – | 128 | 163 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 130 | 163 | 146.2 | 158.3 | 5 | – | – | 133 | 168 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 135 | 168 | 152.2 | 164.3 | 5 | – | – | 138 | 173 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 140 | 173 | 156.2 | 168.3 | 5 | – | – | 143 | 178 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 145 | 178 | 161.2 | 173.3 | 5 | – | – | 148 | 183 | 67.0 | 47.0 | 2.0 | 10 | 12.0 |
| 150 | 183 | 168.2 | 180.3 | 5 | – | – | 153 | 188 | 69.0 | 47.0 | 2.0 | 10 | 12.0 |
| 155 | 191 | 173.2 | 185.3 | 5 | – | – | 158 | 196 | 80.0 | 56.0 | 2.0 | 12 | 12.0 |
| 160 | 196 | 178.2 | 190.3 | 5 | – | – | 163 | 201 | 80.0 | 56.0 | 2.0 | 12 | 12.0 |
| 165 | 201 | 183.2 | 195.3 | 5 | – | – | 168 | 206 | 80.0 | 56.0 | 2.0 | 12 | 12.0 |
| 170 | 206 | 188.2 | 200.3 | 5 | – | – | 173 | 211 | 80.0 | 56.0 | 2.0 | 12 | 12.0 |
| 175 | 211 | 193.2 | 205.3 | 5 | – | – | 178 | 216 | 80.0 | 56.0 | 2.0 | 12 | 12.0 |
| 180 | 216 | 207.5 | 219.3 | 5 | – | – | 183 | 221 | 84.0 | 56.0 | 2.0 | 12 | 12.0 |
| 185 | 221 | 212.5 | 224.3 | 5 | – | – | 188 | 226 | 84.0 | 56.0 | 2.0 | 12 | 12.0 |
| 190 | 226 | 217.5 | 229.3 | 5 | – | – | 193 | 231 | 84.0 | 56.0 | 2.0 | 12 | 12.0 |
| 195 | 231 | 222.5 | 234.3 | 5 | – | – | 198 | 236 | 84.0 | 56.0 | 2.0 | 12 | 12.0 |
| 200 | 236 | 227.5 | 239.3 | 5 | – | – | 203 | 241 | 84.0 | 56.0 | 2.0 | 12 | 12.0 |
| l8 | l9 | l10 | l11 | l12 | l13 | l14 | l15 | l16 | l28 | b | f | mx | umax. | t | R |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.5 | 10.0 | 7.5 | 10.0 | 6.5 | 7.6 | 5.6 | 1.2 | 3.8 | 6.6 | 4 | 6 | M5 | 10 | 1.5 | 1.2 |
| 17.5 | 10.0 | 7.5 | 11.5 | 8.5 | 9.0 | 7.5 | 1.2 | 3.8 | 6.6 | 4 | 6 | M5 | 10 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 12.5 | 9.0 | 10.0 | 8.0 | 1.5 | 5.0 | 7.5 | 5 | 7 | M5 | 12 | 1.1 | 1.5 |
| 19.5 | 11.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 | 5 | 7 | M5 | 12 | 1.1 | 1.5 |
| 19.5 | 11.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 | 6 | 7 | M5 | 12 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 | 6 | 8 | M5 | 12 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 12.5 | 8.5 | 9.5 | 7.5 | 1.5 | 5.0 | 7.5 | 6 | 8 | M5 | 12 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 14.0 | 10.0 | 11.0 | 9.0 | 1.5 | 5.0 | 7.5 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 7.5 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 14.0 | 11.5 | 11.0 | 10.5 | 1.5 | 5.0 | 7.5 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 14.5 | 12.0 | 11.5 | 10.5 | 1.5 | 5.0 | 7.5 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 19.5 | 11.5 | 8.5 | 14.5 | 12.0 | 11.5 | 11.0 | 1.5 | 5.0 | 7.5 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 22.0 | 14.0 | 10.0 | 14.5 | 11.3 | 11.5 | 10.3 | 1.5 | 5.0 | 9.0 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 22.0 | 14.0 | 10.0 | 14.5 | 11.8 | 11.5 | 10.8 | 1.5 | 5.0 | 9.0 | 6 | 8 | M6 | 13 | 1.5 | 1.5 |
| 22.0 | 14.0 | 10.0 | 17.0 | 13.2 | 14.3 | 12.0 | 2.0 | 6.0 | 9.0 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 22.0 | 14.0 | 10.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.0 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 22.0 | 14.0 | 10.0 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.0 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 23.0 | 15.0 | 10.5 | 17.0 | 12.8 | 14.3 | 11.6 | 2.0 | 6.0 | 9.5 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 23.0 | 15.0 | 12.0 | 17.0 | 13.5 | 14.3 | 12.3 | 2.0 | 6.0 | 11.0 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 23.0 | 15.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 | 6 | 8 | M6 | 13 | 1.5 | 2.5 |
| 23.0 | 15.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 | 8 | 9 | M8 | 13 | 1.9 | 2.5 |
| 23.0 | 15.0 | 12.0 | 18.0 | 14.5 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 | 8 | 9 | M8 | 13 | 1.9 | 2.5 |
| 23.0 | 15.0 | 12.0 | 18.0 | 14.2 | 15.3 | 13.3 | 2.0 | 6.0 | 11.0 | 8 | 9 | M8 | 13 | 1.9 | 2.5 |
| 23.0 | 15.0 | 12.0 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 11.0 | 8 | 9 | M8 | 13 | 1.9 | 2.5 |
| 26.0 | 18.0 | 12.5 | 19.0 | 14.9 | 16.0 | 13.7 | 2.0 | 6.0 | 11.3 | 8 | 9 | M8 | 13 | 1.9 | 2.5 |
| 26.0 | 18.0 | 12.5 | 18.0 | 14.2 | 15.3 | 13.0 | 2.0 | 6.0 | 11.3 | 8 | 9 | M8 | 16 | 1.9 | 2.5 |
| 26.0 | 18.0 | 12.5 | 18.0 | 15.2 | 15.3 | 14.0 | 2.0 | 6.0 | 11.3 | 8 | 10 | M8 | 16 | 1.9 | 2.5 |
| 26.2 | 18.2 | 13.0 | 19.0 | 16.2 | 16.3 | 15.0 | 2.0 | 6.0 | 12.0 | 8 | 10 | M8 | 16 | 1.9 | 2.5 |
| 26.2 | 18.2 | 15.0 | 19.0 | 16.0 | 16.3 | 14.8 | 2.0 | 6.0 | 14.0 | 8 | 10 | M8 | 16 | 1.9 | 2.5 |
| 26.2 | 18.2 | 15.0 | 19.0 | 16.0 | 16.3 | 14.8 | 2.0 | 6.0 | 14.0 | 10 | 10 | M8 | 20 | 2.3 | 2.5 |
| 25.2 | 17.2 | 15.0 | 20.0 | 17.0 | 17.3 | 15.8 | 2.0 | 6.0 | 14.0 | 10 | 10 | M8 | 20 | 2.3 | 2.5 |
| 25.2 | 17.2 | 15.0 | 20.0 | 17.0 | 17.3 | 15.8 | 2.0 | 6.0 | 14.0 | 10 | 10 | M8 | 20 | 2.3 | 2.5 |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 30.0 | 20.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 32.0 | 22.0 | – | – | – | – | – | – | – | – | 10 | 10 | M8 | 20 | 2.3 | – |
| 34.0 | 24.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 34.0 | 24.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 34.0 | 24.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 34.0 | 24.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 34.0 | 24.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 38.0 | 28.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 38.0 | 28.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 38.0 | 28.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 38.0 | 28.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
| 38.0 | 28.0 | – | – | – | – | – | – | – | – | 12 | 12 | M8 | 24 | 2.1 | – |
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