WIPER SO HYDRAULIC

product

SO WRM is a single action wiper ensuring that foreign particles are not introduced into the hydraulic systems, avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES

  • Very good wiping performance
  • Simple, easy-construction groove
  • Wide range of dimensions
  • No twisting in the housing
  • Easy installation
  • Specially designed to prevent big particles to go into the system

APPLICATION

Construction machinery, forklift-trucks, injection moulding machines, Agricultural machinery and standard cylinders. 

INSTALLATION

Generally, wiper can be easily fitted into the closed housing by deforming into a kidney shape.It is very important that the assemble tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.

SO WRM wipers are single action and can be used with combination of all rod sealing elements. SO WRM wipers can be produced on request in FPM material for special applications that require high temperatures.

MATERIAL: NBR 90 SH

 

OPERATING CONDITIONS 
MEDIA Mineral oil (DIN 51524) HFA and HFB HFC
TEMPERATURE -30ºC/+105ºC +5ºC/+60ºC -30ºC/+ 60ºC
SPEED ≤ 1.0 m/s ≤ 1.0 m/s ≤ 1.0 m/s

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 ≤ 10 µm
Groove Flanks S1 ≤ 3.2 µm ≤ 16

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/so-wrm-hydraulic SO WRM HYDRAULIC WIPER SO HYDRAULIC ROD/AXLE NBR -30°C +105°C 1.0
PU -30°C +100°C 1.0
FPM -20°C +200°C 1.0
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