Features
Equivalent to Type 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
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