EXCLUDER M/2 OR HYDRAULIC

product

EXCLUDER M/2 OR is a two piece single acting wiper which consists of one special designed PTFE profile ring and  o-rings as energizing element. wiper ensures that foreign particles are not introduced into the hydraulic systems , avoiding wear and damage to all the internal components including seals

PRODUCT ADVANTAGES

  • Low friction , free of stick-slip
  • Long service life
  • High sliding speed
  • Free of stick-slip
  • Space-saving construction
  • Wide range of temperature and chemicals depending on the elastomer material
     

APPLICATION
•Mobile hydraulics , aluminium injection machines and industrial machinery , control and regulation equipment

INSTALLATION
We recommend using special assembly tool (See section; Hydraulic Sealing Elements General Installation Information). It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.

NOTES
EXCLUDER M/2 ORINGS wipers have to be used with GIR or TESCO rod seals to prevent hydrodynamic pressure build up. If that is not possible some precautions have to be taken to prevent hydrodynamic pressure between wiper and seal (see section: Hydraulic Sealing Elements- Sample Designs). At high temperature working conditions FPM energizing O-ring and special mixture PTFE ring are able to be manufactured according to customer's request.

MATERIAL: PTFE / NBR 70 SH

OPERATING CONDITIONS
MEDIA Mineral oils(DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C +105°C +5°C +60° -30°C +60°C
SPEED ≤5.0 m/sn ≤5.0 m/sn ≤5.0 m/sn

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

SURFACE ROUGHNESS Ra Rmax
Sliding Surface  Ød ≤0.4 μm ≤3.2 μm
Groove Base ØD ≤1.6 μm ≤6.3 μm
Groove Flanks  B ≤3.2 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)
stang-afstrijker/excluder-m-2-orings-hydraulic EXCLUDER M/2 ORINGS HYDRAULIC EXCLUDER M/2 OR HYDRAULIC ROD/AXLE PTFE-NBR -30°C +105°C 5.0
PTFE-FPM -20°C +200°C 5.0
UHMWPE+OR -30°C +100°C 1.0
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