FIT B25 is the excellent replacement of Eagle Burgmann type AX25 seal.
It is external configuration,independent of direction of rotation
and independent of pressure direction.
Operating Limits:
Pressure: ≤2.6MPa
Speed: ≤20m/s
Temperature: -20℃~+200℃
● Rotary Ring (SiC/TC/Carbon)
● Stationary Ring (Carbon/SiC/TC)
● Secondary SeaI (VITON )
● Metal Parts (SUS304/SUS316)
● Spring (SUS304/SUS316)
we also can make changes as customers'requirementor totally design a new type of mechanical seal to meet clients'needs.
| d1 | d2 | d3 | d4 | L1 | L2 | L3 |
| 15 | 42 | 23 | 29 | 48 | 31 | 17 |
| 16 | 43 | 24 | 30 | 48 | 31 | 17 |
| 18 | 45 | 27 | 33 | 48 | 31 | 17 |
| 20 | 47 | 29 | 35 | 48 | 31 | 17 |
| 22 | 49 | 31 | 37 | 48 | 31 | 17 |
| 24 | 51 | 33 | 39 | 48 | 31 | 17 |
| 25 | 52 | 34 | 40 | 48 | 31 | 17 |
| 28 | 55 | 37 | 43 | 48 | 31 | 17 |
| 30 | 57 | 39 | 45 | 48 | 31 | 17 |
| 32 | 59 | 42 | 48 | 48 | 31 | 17 |
| 33 | 60 | 42 | 48 | 48 | 31 | 17 |
| 35 | 62 | 44 | 50 | 48 | 31 | 17 |
| 38 | 71 | 49 | 56 | 52 | 33 | 19 |
| 40 | 73 | 51 | 58 | 52 | 33 | 19 |
| 43 | 76 | 54 | 61 | 52 | 33 | 19 |
| 45 | 78 | 56 | 63 | 52 | 33 | 19 |
| 48 | 81 | 59 | 66 | 52 | 33 | 19 |
| 50 | 83 | 62 | 70 | 54 | 33 | 21 |
| 53 | 86 | 65 | 73 | 54 | 33 | 21 |
| 55 | 88 | 67 | 75 | 54 | 33 | 21 |
| 58 | 98 | 72 | 80 | 63 | 41 | 22 |
| 60 | 100 | 75 | 83 | 63 | 41 | 22 |
| 63 | 103 | 77 | 85 | 63 | 41 | 22 |
| 65 | 105 | 81 | 90 | 65 | 41 | 24 |
| 68 | 108 | 83 | 92 | 65 | 41 | 24 |
| 70 | 111 | 88 | 97 | 68 | 43 | 25 |
| 75 | 116 | 96 | 105 | 68 | 43 | 25 |
| 80 | 121 | 100 | 110 | 68 | 43 | 25 |
| 85 | 126 | 105 | 115 | 68 | 43 | 25 |
| 90 | 131 | 110 | 120 | 68 | 43 | 25 |
| 95 | 136 | 115 | 125 | 68 | 43 | 25 |
| 100 | 141 | 120 | 130 | 68 | 43 | 25 |
| 105 | 148 | 123 | 135 | 75 | 47 | 28 |
| 110 | 153 | 128 | 140 | 75 | 47 | 28 |
| 115 | 158 | 133 | 145 | 75 | 47 | 28 |
| 120 | 171 | 140 | 152 | 78 | 50 | 28 |
| 125 | 176 | 145 | 157 | 78 | 50 | 28 |
| 130 | 181 | 150 | 162 | 78 | 50 | 28 |
| 135 | 186 | 155 | 167 | 78 | 50 | 28 |
| 140 | 191 | 160 | 172 | 78 | 50 | 28 |
| 145 | 196 | 165 | 177 | 78 | 50 | 28 |
| 150 | 203 | 171 | 183 | 86 | 55 | 31 |
| 160 | 213 | 181 | 193 | 86 | 55 | 31 |
| 170 | 223 | 191 | 203 | 86 | 55 | 31 |
| 180 | 233 | 203 | 215 | 86 | 55 | 31 |
| 190 | 243 | 213 | 225 | 86 | 55 | 31 |
| 200 | 253 | 223 | 235 | 86 | 55 | 31 |
| 220 | 275 | 246.5 | 258 | 92 | 62 | 33 |
| 240 | 295 | 266.5 | 278 | 92 | 62 | 33 |
| 260 | 315 | 286.5 | 298 | 92 | 62 | 33 |
| 280 | 335 | 306.5 | 318 | 92 | 62 | 33 |
| 300 | 355 | 326.5 | 338 | 92 | 62 | 33 |
This type seal is wiht robust and easy to install design and springs protected.
What is more,it is no metal parts on the product side and simple conversion of gland packings.
FT25 can be widely used in process industry,oil and gas industry,refining technology,petrochemical industry,
chemical industry,pharmaceutical industry,power plant technology,pulp and paper industry
water and waste water technology,mining industry,building services industry,food and beverage industry
shipbuilding,sugar industry,metal production and processing.
We supply all range of replacement seal of Flowserve,burgmann, Johncrane,Aesseal,
Vulcan,Roten,Ango,Chesteton,Fluiten,Garlock,GPM,Huhnseal, Nikom, Tremseals, Umbra etc.
For example , Burgmann replacement seal 
