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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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32
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Photo Code Name Producer Stock
Wiper K27 16x22x3,5/5,5 PU K27-016 PU Wiper K27 16x22x3,5/5,5 PU Kastas 19
Wiper K27 16x24x4,3/6,3 NBR K27-016/1 NBR Wiper K27 16x24x4,3/6,3 NBR Kastas 29
Wiper WAT 16x24x5 C0 [2EWAT001] WAT 0160 0240 050 C0 Wiper WAT 16x24x5 C0 [2EWAT001] Artic seals 6 weeks
Wiper WED 16x22,6x3,8 B0 [2EWED649] WED 0160 0226 038 B0 Wiper WED 16x22,6x3,8 B0 [2EWED649] Artic seals 1
Wiper WED 16x22x4 C0 [2EWED046] WED 0160 0220 040 C0 Wiper WED 16x22x4 C0 [2EWED046] Artic seals 51
Wiper WED 16x24x4,5 C0 [2EWED047] WED 0160 0240 045 C0 Wiper WED 16x24x4,5 C0 [2EWED047] Artic seals 6 weeks
Wiper WED 16x26x5/7 C0 [2EWED049] WED 0160 0260 050 C0 Wiper WED 16x26x5/7 C0 [2EWED049] Artic seals 6 weeks
Wiper WPM 16x22x3,5/5 NBR+Stal 109229N Wiper WPM 16x22x3,5/5 NBR+Stal SOG 277
Wiper WPM 16x22x3/4 NBR+Stal 101873N Wiper WPM 16x22x3/4 NBR+Stal SOG 559
Wiper WPM 16x22x4/6 NBR+Stal 107248N Wiper WPM 16x22x4/6 NBR+Stal SOG 617
Wiper WPM 16x22x5/8 NBR+Stal 107249N Wiper WPM 16x22x5/8 NBR+Stal SOG 826
Wiper WPM 16x26x5/8 NBR+Stal 102089N Wiper WPM 16x26x5/8 NBR+Stal SOG 109
Wiper WSL 16x22,6x3,8/6 C0 [2EWSL033] WSL 0160 0226 038 C0 Wiper WSL 16x22,6x3,8/6 C0 [2EWSL033] Artic seals 60
Wiper WSL 16x22x3/5 C0 [2EWSL511] WSL 0160 0220 030 C0 Wiper WSL 16x22x3/5 C0 [2EWSL511] Artic seals 70
Wiper WWS 16x22x3,1 B0 [2EWWS037] WWS 0160 0220 031 B0 Wiper WWS 16x22x3,1 B0 [2EWWS037] Artic seals 6 weeks
Wiper WWS 16x24x4/7 B0 [2EWWS041] WWS 0160 0240 040 B0 Wiper WWS 16x24x4/7 B0 [2EWWS041] Artic seals 123
Wiper WWS 16x24x4/7 C0 [2EWWS042] WWS 0160 0240 040 C0 Wiper WWS 16x24x4/7 C0 [2EWWS042] Artic seals 6 weeks
Wiper 18x26x8/6 A205 PU A205-018 PU Wiper 18x26x8/6 A205 PU ALP 102
Wiper A202 18x24,6x5/3,5 PU A202-018/3 PU Wiper A202 18x24,6x5/3,5 PU ALP 161
Wiper A202 18x26,6x7/5 PU A202-018 PU Wiper A202 18x26,6x7/5 PU ALP 108
Wiper DKC 18x25x5/7 FPM+Stal 103725V Wiper DKC 18x25x5/7 FPM+Stal SOG 60
Wiper DKC 18x25x5/7 NBR+Stal 103725N Wiper DKC 18x25x5/7 NBR+Stal SOG 40
Wiper K06 18x24x3,4/5,5 K06-018/2 PU Wiper K06 18x24x3,4/5,5 Kastas 24
Wiper K06 18x24x3,5/5 K06-018/3 PU Wiper K06 18x24x3,5/5 Kastas 28
Wiper K06 18x24x3,5/5 K06-018/3 NBR Wiper K06 18x24x3,5/5 Kastas 39
Wiper K06 18x26x5/7 K06-018 PU Wiper K06 18x26x5/7 Kastas 24
Wiper K07 18x24x4/6 NBR+Stal 99999800 Wiper K07 18x24x4/6 NBR+Stal Kastas 42
Wiper K07 18x28x5/7 NBR+Stal 48007377 Wiper K07 18x28x5/7 NBR+Stal Taiwan request
Wiper K09 18x26x4/7 K09-018 PU Wiper K09 18x26x4/7 Kastas 19
Wiper K10 18x26x6/8 K10-018 Wiper K10 18x26x6/8 Kastas request
Wiper K103-18x26x4,5/6 PU K103-018 PU Wiper K103-18x26x4,5/6 PU Kastas 29
Wiper K27 18x24x3,8/4,8 PU K27-018/2 PU Wiper K27 18x24x3,8/4,8 PU Kastas 18
Wiper K27 18x26x5/7 K27-018/4 PU Wiper K27 18x26x5/7 Kastas 22
Wiper WAT 18x26x5 C0 [2EWAT020] WAT 0180 0260 050 C0 Wiper WAT 18x26x5 C0 [2EWAT020] Artic seals 6 weeks
Wiper WED 18x24,6x3,8 C0 [2EWED064] WED 0180 0246 038 C0 Wiper WED 18x24,6x3,8 C0 [2EWED064] Artic seals 6 weeks
Wiper WED 18x24x3,7 C0 [2EWED052] WED 0180 0240 037 C0 Wiper WED 18x24x3,7 C0 [2EWED052] Artic seals 6 weeks
Wiper WED 18x24x4 C0 [2EWED055] WED 0180 0240 040 C0 Wiper WED 18x24x4 C0 [2EWED055] Artic seals 6 weeks
Wiper WPM 18x24x3/5 NBR+Stal 112995N Wiper WPM 18x24x3/5 NBR+Stal SOG 81
Wiper WPM 18x24x5/7 NBR+Stal 109888N Wiper WPM 18x24x5/7 NBR+Stal SOG 246
Wiper WPM 18x26x5/7 NBR+Stal 108250N Wiper WPM 18x26x5/7 NBR+Stal SOG 2289
Wiper WPM 18x28x5/7 NBR+Stal 107863N Wiper WPM 18x28x5/7 NBR+Stal SOG 62
Wiper WPR 18x28x7/10 NBR+Stal 103735N Wiper WPR 18x28x7/10 NBR+Stal SOG 22 weeks
Wiper WSL 18x24,6x3,8/6 C0 [2EWSL037] WSL 0180 0246 038 C0 Wiper WSL 18x24,6x3,8/6 C0 [2EWSL037] Artic seals 60
Wiper WSL 18x24x3/5 C0 [2EWSL497] WSL 0180 0240 030 C0 Wiper WSL 18x24x3/5 C0 [2EWSL497] Artic seals 60
Wiper WWS 18x26x4/7 C0 [2EWWS046] WWS 0180 0260 040 C0 Wiper WWS 18x26x4/7 C0 [2EWWS046] Artic seals 6 weeks
Wiper WWS 18x26x4/7 PU90 [2EWWS045] WWS 0180 0260 040 B0 Wiper WWS 18x26x4/7 PU90 [2EWWS045] Artic seals 86
Wiper 19,05x28,49x4,46/7,15 A202 PU A202-019 PU Wiper 19,05x28,49x4,46/7,15 A202 PU ALP 48
Wiper 19x23,5x4,7/2,6 A202 PU A202-019/3 PU Wiper 19x23,5x4,7/2,6 A202 PU ALP 45
Wiper 19x25x4/6 A202 PU A202-019/1 PU Wiper 19x25x4/6 A202 PU ALP 49
Wiper 19x25x6/3 A202 PU A202-019/4 PU Wiper 19x25x6/3 A202 PU ALP 73
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