Wiper WPM 90x100x5/7 NBR+Stal

The WPM-type wiper ring is designed to protect hydraulic cylinder gland seals from external contaminants. It prevents mud, water, and dirt from entering the system, safeguarding the seals and piston rod surface from accelerated wear.

Structure and operation:
The scraper is made of oil-resistant NBR rubber, embedded in a steel casing that ensures secure and durable seating in the housing.
The design is suitable for press-fitting into the installation, guaranteeing strong retention even under heavy-duty conditions.
The flexible rubber lip adheres closely to the piston rod surface, effectively cleaning it of dirt and moisture during the cylinder's operational movement.

Application:
hydraulic cylinder glands,
working mechanisms of construction and agricultural machinery,
systems exposed to mud, dust, and water.

Materials:
working part: NBR (nitrile rubber) – oil and grease resistance,
casing: steel – provides rigidity and secure mounting.

Advantages:
effective protection against contamination,
simple design and easy installation,
durable seating in the housing,
mechanical resistance.

Technical data:
- internal diameter (d): 90 mm
- external diameter (D): 100 mm
- height / thickness (H): 5/7 mm

Imperial size:
3.54" × 3.94" × 0.20/0.28