D11W Balsele series seals for pistons of hydraulic and pneumatic cylinders. Reinforced one-piece NBR with fabric and POM anti-extrusion ring, for medium and high pressures.

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POLYPAC WRM TYPE SEALS, FROM 255295 TO 771826
WRM series wipers in elastomer for cylinder rods. Continuation of the range with larger dimensions, maintaining the same reliability and optimum protection.
Guarantee safe & secure checkout
Polypac WRM series wipers in the range from 255295 to 771826 extend the size range for larger cylinders, while retaining the same excellent characteristics of the series.
Large-scale protection: These wipers are designed for large cylinders used in:
- Earth-moving machinery
- Cranes and lifting equipment
- Large industrial presses
- Heavy plant
WRM profile - distinctive features: ✓ Excellent stability in the housing groove ✓ Effective wiping action over the entire diameter ✓ Easier fitting even on large cylinders ✓ Superior mechanical strength
Operation: The elastomer lip applies uniform pressure to the rod during the return stroke, effectively removing:
- Dust and dirt
- Machining residues
- Moisture and condensation
- Abrasive particles
Complete system protection: They keep the rod clean to prevent the entry of impurities that would cause:
- Premature wear of the seals
- Damage to metal surfaces
- Contamination of the hydraulic oil
- Leaks and malfunctions
Robust material: Elastomer selected to withstand:
- Repeated mechanical stress
- Contact with oils and fluids
- Industrial operating temperatures
Fields of application: Essential for cylinders operating in harsh environments where protection is vital.
Extended size range: from 255295 to 771826
16 other products in the same category:
CH series packing seals in fabric-reinforced rubber for pistons of double-acting hydraulic cylinders. Available in sets of 3 or 5 elements, suitable for medium pressures and fitting on one-piece pistons.
Seal type Polypac B 433334 with dimensions 110 mm (D) × 85 mm (d) × 13.5 mm (E), designed for rod sealing in hydraulic cylinders and mechanical applications with reciprocating motion.
Seal type Polypac B 401354 with dimensions 102 mm (D) × 90 mm (d) × 9.6 mm (E), designed for rod sealing in hydraulic cylinders and mechanical applications with reciprocating motion.
Polypac B type seals in the range from 300225 to 444393, designed for rod sealing in hydraulic cylinders and mechanical applications requiring protection against fluid leakage and contamination. These seals are available in various inner/outer diameter and thickness sizes to suit different rod diameters.
CH series packing seals for high-reliability hydraulic cylinders. Made up of multiple fabric-reinforced rubber elements, ideal for one-piece double-acting pistons under medium loads.
Seal type Polypac B 236196 with dimensions 60 mm (D) × 50 mm (d) × 10 mm (E), designed for rod sealing in hydraulic cylinders and mechanical applications with reciprocating motion.
DPC series seals for pistons of double-acting hydraulic cylinders. Made up of NBR and POM elements, they operate at up to 70 MPa with excellent extrusion resistance.
Polypac B type seals, rod seals for hydraulic and pneumatic cylinders, available in various sizes (e.g. B 075047 → 19×12×6.3 mm … B 188157 → 48×40×6.5 mm), suitable for various rod diameters and mechanical applications.
Seal type Polypac B 165125 with dimensions 42 mm (D) × 32 mm (d) × 11 mm (E), designed for sealing on the rod of hydraulic cylinders. Compact rubber construction with anti-extrusion support for mechanical and hydraulic use.
SM Selemaster series seals for rods in extremely severe conditions. Reinforced multi-element structure for high pressures up to 70 MPa, resistant to misalignment and vibration.
URFU series seals with self-acting operation, tight tolerances and precision profiles. High operating temperature and exceptional wear resistance for demanding applications.
DBM series seals for double-acting pistons made up of 5 elements: NBR, polyester and POM. Ideal for one-piece pistons in standard operating conditions with pressures up to 30 MPa.
GS series seals for applications on cylinder rods or pistons. Compact and versatile design, suitable for standard industrial uses with good wear resistance.
WRM series single-acting wipers in elastomeric compound. Profile designed for great stability in the housing, ideal for protecting rods from dirt and external contaminants.