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COVERSEAL PSA SEMI STATIC/DYNAMIC

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COVERSEAL PSA is a semi static/dynamic outside sealing element designed to replace O-ring or O-ring + back up ring combination

PRODUCT ADVANTAGES

  • High operating pressures
  • Interchangeable for o-ring and o-ring with back-up ring
  • Can work under severe conditions
  • No need for additional back-up ring
  • High wear resistant
  • No twisting on assembly

APPLICATION

All hydraulic applications in which O-rings are used.

INSTALLATION:

COVERSEAL PSA is assembled by hand, If using assembly tool the mounting area should not have any sharp edges. Before mounting the COVERSEAL must be lubricated with oil system. must be lubricated with oil system.

Note: COVERSEAL PSA is a double acting seal for outer sealing. The diffculties faced during an o-ring assembly such as twisting , ripping was solved with this design.

MATERIAL: PU 94 SH

 

OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -35°C +100°C +5°C +50°C 30°C +40°C
PRESSURE ≤450 Bar ≤450 Bar ≤450 Bar

Note: The above data are maximum values and cannot be used at the same time.

SURFACE ROUGHNESS Ra Rmax
Sliding Surface ØD ≤0.8 µm ≤3.2 μm
Groove Base Ød ≤1.6 µm ≤6.3 µm
Groove Flanks  B ≤6.3 µm ≤16 µm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.

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# Vota code Name Application Material Pressure
(bar)		 Temperature °C Sliding Speed (m/s)
coverseal-static/psa PSA COVERSEAL PSA SEMI STATIC/DYNAMIC STATISCH / DYNAMISCH
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