Rotary Seals - Dilanda.it

Radial Oil Seal
n Busak+Shamban type TRU - medium pressure oil seal
b
Medium
d2 H8
d1 h11
Figure 24
Installation drawing
General description
B+S type TRU is a seal with completely rubber covered
outer diameter. This type of seal is designed with an
extended metallic support of the diaphragm that allows
pressures up to 0.5 MPa. In order to avoid a “pop-out“ of
the seal, we suggest to fit an axial retainer (e.g. circlip,
shoulder, etc.). The additional dust lip protects the main
sealing lip against dust and other fine solid contaminants
and therefore this type is recommended for use in polluted
environments. To achieve a long lifetime a suitable
lubricant between the two sealing lips should be applied.
Application examples
- Transmission systems (e.g. gearboxes)
- Pumps
- Hydraulic motors
- Machinery industry
Technical data
Pressure: up to 0.5 MPa
Advantages
- Good static sealing
- Compensation of different thermal expansion
- Reduced risk of fretting corrosion
- Up to 0.5 MPa pressure at moderate peripheral speed
Temperature:
Speed:
Media:
-40°C to +200°C
(depending on material)
up to 10 m/s
(depending on pressure and material)
mineral and synthetic lubricants
(CLP, HLP, APGL etc.)
- Effective protection against air side contaminants
- No need of back-up ring
B+S/STEFA have carried out several thousand compatibility
tests. Please ask for details.
Important Note:
The above data are maximum values and cannot
be used at the same time, e. g. the maximum
operating speed depends on material type,
pressure and temperature.
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Latest information available at www.busakshamban.com
Edition April 2006