WIPER SEAL

MATERIAL:

NT6/ais an Acrylonitrile Butadiene Rubber (NBR) Compound of Hardness Shore ‘A’ 88°approx.
PU5/bis a Polyurethane rubber compound of hardness 920.°

MAX.OPERATING CONDITIONS :

Speed(max) : 2 mtrs/sec.
TempRange : -40°Cto +100°C(upto +200°Con request)

MAX.SURFACE ROUGHNESS :

Static: 0.8 µmRa
Dynamic: 0.4 µmRa

COMPATIBILITY:

Mineral oils, bio oils, water soluble & water glycol fluids.

APPLICATION:

Medium duty. For heavy duty application, select polyurethane as the material.
Hydraulic and Pneumatic cylinders.

DETAILS:

The Sunrub type WA wiper has a lip designed to remove dirt, mud, dust, moisture,etc. accumulating on the rod.
The wiper is manufactured from a high hardness NBR compound suitable for installing in a grooved housing.
To prevent dirt passing the outside of wiper and to reduce the pumping action, the outside diameter has an interference fit with the housing. Due to excellent wear resistance of polyurethane the life expected is 3 times that of NBR.
Sunrub Type WA wiper is also available in FKM (viton)

FEATURES:

General Purpose Seal
Precision Trimmed sealing lip
Wide size ranges.