ProfiSeal propellershaft

20 – 90 mm, water- and oil-lubricated

Technical Features

  • water- or oil-lubricated facetype seals
  • seawater resistant also in in aluminium-version, for open or closed sterntube-systems
  • easy installation
  • high lifetime even in extremely dirty waters
  • no shaft-wear like with radial type seals due to facetype design
  • allowed axial shaft movement: +/- 5mm
  • allowed radial shaft movement: +/- 2mm

Operating Limits

  • shaft diameter max 20 bis 90 mm
  • medium to be sealed seawater, oil etc.
  • medium temprature seawater -5° to +40° C
  • oil -5° to +70° C
  • operating pressure (p) 0,1 to 1,5 bar*
  • gliding speed max. 10 m/s
  • flushing / cooling approx. 2,5 l/h per mm shaft diameter

*Applications above 0,5 bar have to be clearified technically with the manufacturer.

Type Approvals

zertifikat-abs-stevenrohrabdichtungstevenrohr-gl-big-high-2013

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Technical Data
stevenrohrabdichtung_20-90_grafik_02

stevenrohrabdichtung_20-90_grafik_01

shaft diameters 20 – 90 mm, Dimensions (mm)
D d1 d2 d3 d4 L1 L2 L3 M1 M2 n
20
25
74 105 90
enst. ab 50 mm verfügbar
64 8
enst. ab 50 mm verfügbar
G1/8* M8 3
30
35
87 120 105 68 G1/4*
40
45
97 130 115 4
50
55
112 140 125 145 40
60 135 170 150 170 72 10 6
70 145 180 160 180
80 155 190 170 190 73
90 165 200 180 200
Other shaft sizes (D) and imerial Sizes on Request
Legend

Pos. Description Material
1 Seal face Carbon – Graphit
2b Face housing 1.4571
3 Collar NBR Perbunan
4 Spring 1.4401/1.4571
5 Spring 1.4401/1.4571
7 Clamp ring 1.4571
9 Housing Bronze/ altern. Alu / CRES
9a Mating ring Chromium steel
9b O – Ring NBR Perbunan
10 Housing bolts A 4 – 70
11 Gasket Burasil o.equiv.
11a Gasket Burasil o.equiv.
12 Pneumostop flange Bronze/ altern. Alu / CRES
13 Cover Bronze/ altern. Alu / CRES
14 Ring Bronze/ altern. Alu / CRES
15 Pneumostop NBR Perbunan
16 Flange bolts A 4 – 70

Optional

Pneumostop Unit, inflatable stand still seal, available from shaft diameter 50 mm, Pmax. = 7 bar Pneumostop should not be inflated while shaft turnsair inlet should normally be open.