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SS-M481: Burgmann M481 replacement

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SS-M481: Replacement of Burgmann M481 mechanical seal

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SS-M481: Burgmann M481 mechanical seal
Structure Description
Equivalent to Burgmann M481
For top entry drives, type M481 to DIN
Single or double seals
Unbalanced
Independent of direction of rotation
Multiple springs rotating
Liquid-lubricated
Cartridge unit

Operating range
DIN 28138 T2
Shaft diameter: d3 = 40 ... 220 mm (1,57" .... 8,66")
Single seals:
Pressure: p1 = vacuum ... 6 bar (87 PSI), p3 = pressureless
Temperature: t1* = -40 °C ... +150 (250) °C (-40 °F ... +302 (482) °F)
Double seals:
Pressure: p1 = vacuum ... 16 bar (232 PSI), p3 = max. 18 bar (261 PSI)
Temperature: t1* = -40 °C ... +200 (350) °C (-40 °F ... +392 (662) °F)
Sliding velocity: vg = 0 ... 5 m/s (0 ... 16 ft/s)
For applications beyond this range, please inquire.
* Higher or lower temperatures on request.

Materials
According to application and customer's specification

SS-M481 Dimensions(mm)
d3* d71) d1 n×d2 d4 d0 k L1 L2 LW* l1 l2 A M1 M1 A1B
40 38 175 4×18 110 90 142 87 136 143 15 28 122 M12 M16 G3/8
50 48 240 8×18 176 135 210 89 149 148 17 28 157 M12 M16 G3/8
60 58 240 8×18 176 135 210 93.5 156 158 17 28 168 M12 M16 G3/8
80 78 275 8×22 204 155 240 104.5 189 168 20 34 203 M16 M20 G1/2
100 98 305 8×22 234 190 270 109 190 178 20 34 228 M16 M20 G1/2
125 120 330 8×22 260 215 295 110 205 203 20 40 268 M20 M20 G1/2
140 135 395 12×22 313 250 350 124 222 208 20 40 285 M20 M20 G1/2
160 150 395 12×22 313 265 350 127.5 219.5 213 25 40 297 M20 M20 G1/2
180 170 445 12×22 364 310 400 132.5 230 233 25 45 332 M20 M20 G1/2
200 190 445 12×22 364 310 400 137.5 237.5 243 25 45 352 M20 M20 G1/2
220 210 505 16×22 422 340 460 149.5 249.5 263 25 50 381 M20 M20 G1/2
* To DIN 28154