NISB (COMBI ROD WIPER) HYDRAULIC

product

NISB is a double action metal wiper ensuring that foreign particles do not penetrate into the hydraulic systems, avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES

  • Superior wiping performance
  • Axially open, easy-construction groove
  • Design in a way that the wiping lip contacts with the rod surface to remove heavily deposited mud , ice , etc so that the particles do not enter into the cylinder
  • Outside diameter contacts the housing and has a sealing lip to prevent moisture entering the groove
  • No twisting in the housing
  • Oil leak stopping

APPLICATION

Light and medium duty construction machinery, forklift-trucks, agricultural machinery,support cylinders and standard cylinders. 

INSTALLATION

NISB wiper is pressed into axially open housings. Special equipment should be used during this process. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.

NISB wipers are double action and can be used with combination of all rod sealing elements.

MATERIAL: STEEL / NBR 90 SH

OPERATING CONDITIONS 
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C +100°C +5°C +50°C -30°C +40°C
SPEED ≤1.0 m/sn ≤1.0 m/sn ≤1.0 m/sn
PRESSURE 12 Bar 12 Bar 12 Bar

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 μm

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

# Vota code Name Application Material Pressure
(bar)
Temperature °C Sliding Speed (m/s)
stang-afstrijker/nisb-hydraulic NISB HYDRAULIC NISB (COMBI ROD WIPER) HYDRAULIC ROD/AXLE STAAL-NBR 12 -30°C +105°C 1.0
STAAL-PU 16 -30°C +100°C 1.0
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