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Wipers

Wipers

Wipers, also known as scraper rings, play a vital role in hydraulic cylinder systems by preventing contaminants from entering the cylinder during the piston rod retraction phase. These contaminants include dirt, dust, moisture, and other foreign particles that can degrade the performance and lifespan of hydraulic components.

Key Functions:

  • Contamination prevention: Scraper rings effectively clean the piston rod surface, reducing the risk of abrasive particles entering the hydraulic fluid and damaging seals and guide rings.

  • Protecting sealing elements: By removing external contaminants before the rod retracts, wipers extend the service life of seals and reduce the frequency of maintenance.

  • Material adaptability: Scraper rings are made from specialized elastomers or polyurethane materials designed for wear resistance, flexibility, and compatibility with hydraulic fluids.

  • Installation versatility: Designed for mounting either in grooves within the stuffing box or on metal retaining fittings attached to the cylinder body, enabling integration with various cylinder constructions.

  • Resistance to environmental factors: Wipers withstand exposure to moisture, temperature variations, and mechanical stresses, ensuring consistent performance in harsh industrial environments.

Material Options:

Common materials include:

  • Polyurethane (PU): Known for excellent abrasion resistance and elasticity.

  • Nitrile rubber (NBR): Offers good resistance to hydraulic oils and moderate temperature ranges.

  • Fluoroelastomer (FKM/Viton): Provides superior chemical and temperature resistance for demanding applications.

Applications:

Widely used in hydraulic cylinders across industries such as construction, agriculture, manufacturing, and heavy machinery, scraper rings are essential for maintaining system integrity and reducing downtime caused by contamination-related failures.

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Wipers dimension
Inside diameter d (mm)
Outside diameter D (mm)
Width h
Width H
Details
Seal type
Manufacturers
Manufacturers
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Photo Code Name Producer Stock
Wiper WPR 12x22x5/8 NBR+Stal 118503N Wiper WPR 12x22x5/8 NBR+Stal SOG 791
Wiper WSL 12x18,6x3,8 C0 [2EWSL017] WSL 0120 0186 038 C0 Wiper WSL 12x18,6x3,8 C0 [2EWSL017] Artic seals 77
Wiper WWS 12x18x2,6 B0 [2EWWS017] WWS 0120 0180 026 B0 Wiper WWS 12x18x2,6 B0 [2EWWS017] Artic seals 50
Wiper WWS 12x18x2,6 C0 [2EWWS018] WWS 0120 0180 026 C0 Wiper WWS 12x18x2,6 C0 [2EWWS018] Artic seals 6 weeks
Wiper WWS 12x20x4/7 B0 [2EWWS021] WWS 0120 0200 040 B0 Wiper WWS 12x20x4/7 B0 [2EWWS021] Artic seals 6 weeks
Wiper WWS 12x20x4/7 C0 [2EWWS022] WWS 0120 0200 040 C0 Wiper WWS 12x20x4/7 C0 [2EWWS022] Artic seals 6 weeks
Wiper 14x22x8/6 A205 PU A205-014 PU Wiper 14x22x8/6 A205 PU ALP request
Wiper A202 14x18,6x3,3/2 PU A202-014 PU Wiper A202 14x18,6x3,3/2 PU ALP 205
Wiper A202 14x20,6x5/3,5 PU A202-014/1 PU Wiper A202 14x20,6x5/3,5 PU ALP 24
Wiper K06 14x18x2/3,3 K06-014 PU Wiper K06 14x18x2/3,3 Kastas 44
Wiper K06 14x18x2/3,3 K06-014 NBR Wiper K06 14x18x2/3,3 Kastas 22
Wiper K06 14x20x3,5/5 K06-014/1 PU Wiper K06 14x20x3,5/5 Kastas 24
Wiper K07 14x20x5/7 NBR+Stal 48002730 Wiper K07 14x20x5/7 NBR+Stal Kastas request
Wiper K09 14x22x4/7 K09-014 NBR Wiper K09 14x22x4/7 Kastas request
Wiper K10 14x22x6/8 K10-014 Wiper K10 14x22x6/8 Kastas 18
Wiper WED 14x20,6x3,8 C0 [2EWED037] WED 0140 0206 038 C0 Wiper WED 14x20,6x3,8 C0 [2EWED037] Artic seals 6 weeks
Wiper WED 14x20x4 C0 [2EWED028] WED 0140 0200 040 C0 Wiper WED 14x20x4 C0 [2EWED028] Artic seals 6 weeks
Wiper WPM 14x20x3,5/5 NBR+Stal 105089N Wiper WPM 14x20x3,5/5 NBR+Stal SOG 1835
Wiper WPM 14x20x5/7 NBR+Stal 107246N Wiper WPM 14x20x5/7 NBR+Stal SOG 168
Wiper WWS 14x20x2,6 B0 [2EWWS025] WWS 0140 0200 026 B0 Wiper WWS 14x20x2,6 B0 [2EWWS025] Artic seals 6 weeks
Wiper WWS 14x20x2,6 C0 [2EWWS024] WWS 0140 0200 026 C0 Wiper WWS 14x20x2,6 C0 [2EWWS024] Artic seals 6 weeks
Wiper WWS 14x22x4/7 B0 [2EWWS029] WWS 0140 0220 040 B0 Wiper WWS 14x22x4/7 B0 [2EWWS029] Artic seals 6 weeks
Wiper WWS 14x22x4/7 C0 [2EWWS030] WWS 0140 0220 040 C0 Wiper WWS 14x22x4/7 C0 [2EWWS030] Artic seals 6 weeks
Wiper 15x23x8/6 A205 PU A205-015 PU Wiper 15x23x8/6 A205 PU ALP 5
Wiper A202 15x21,6x5,5/3,5 PU A202-015/2 PU Wiper A202 15x21,6x5,5/3,5 PU ALP 113
Wiper K06 15x21,6x3,5/5 K06-015/1 PU Wiper K06 15x21,6x3,5/5 Kastas 16
Wiper K07 15x25x5/8 NBR+Stal 48004037 Wiper K07 15x25x5/8 NBR+Stal Kastas 79
Wiper K10 15x23x6/8 NBR K10-015 Wiper K10 15x23x6/8 NBR Kastas 13
Wiper WED 15x21x4 C0 [2EWED045] WED 0150 0210 040 C0 Wiper WED 15x21x4 C0 [2EWED045] Artic seals 6 weeks
Wiper WPM 15x21x3,5/5 NBR+Stal 112600N Wiper WPM 15x21x3,5/5 NBR+Stal SOG 1758
Wiper WPM 15x25x5/8 NBR+Stal 105987N Wiper WPM 15x25x5/8 NBR+Stal SOG 146
Wiper WSL 15x19x2,5/4 C0 [2EWSL503] WSL 0150 0190 025 C0 Wiper WSL 15x19x2,5/4 C0 [2EWSL503] Artic seals 80
Wiper WWS 15x23x4/7 B0 [2EWWS033] WWS 0150 0230 040 B0 Wiper WWS 15x23x4/7 B0 [2EWWS033] Artic seals 6 weeks
Wiper WWS 15x23x4/7 C0 [2EWWS034] WWS 0150 0230 040 C0 Wiper WWS 15x23x4/7 C0 [2EWWS034] Artic seals 6 weeks
Wiper 16x24x7/6 A205 PU A205-016/1 PU Wiper 16x24x7/6 A205 PU ALP 72
Wiper 16x24x8/6 A205 PU A205-016 PU Wiper 16x24x8/6 A205 PU ALP 92
Wiper A202 16x22,6x5/3 PU A202-016/4 PU Wiper A202 16x22,6x5/3 PU ALP 85
Wiper A202 16x22x5,5/3,4 PU A202-016/5 PU Wiper A202 16x22x5,5/3,4 PU ALP request
Wiper A202 16x24,6x7/5 PU A202-016 PU Wiper A202 16x24,6x7/5 PU ALP 101
Wiper K06 16x22x2,8/4 NBR K06-016/3 NBR Wiper K06 16x22x2,8/4 NBR Kastas 12
Wiper K06 16x22x2,8/4 PU K06-016/3 PU Wiper K06 16x22x2,8/4 PU Kastas 20
Wiper K06 16x22x3,4/5,5 K06-016/1 PU Wiper K06 16x22x3,4/5,5 Kastas 6
Wiper K06 16x22x3,5/5 K06-016/2 PU Wiper K06 16x22x3,5/5 Kastas 27
Wiper K06 16x24x5/7 K06-016 PU Wiper K06 16x24x5/7 Kastas 49
Wiper K07 16x22x3,5/5 NBR+Stal 48003342 Wiper K07 16x22x3,5/5 NBR+Stal Taiwan 65
Wiper K07 16x22x3/4 NBR+Stal 999748 Wiper K07 16x22x3/4 NBR+Stal Kastas request
Wiper K07 16x26x5/8 NBR+Stal 48003153 Wiper K07 16x26x5/8 NBR+Stal Kastas 38
Wiper K09 16x24x4/7 PU K09-016 PU Wiper K09 16x24x4/7 PU Kastas 25
Wiper K10 16x24x6/8 K10-016 Wiper K10 16x24x6/8 Kastas 22
Wiper K103 16x24x4,5/6 NBR K103-016 NBR Wiper K103 16x24x4,5/6 NBR Kastas 22
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