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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 K07 16x22x3,5/5 NBR+Stal 48003342 Wiper K07 16x22x3,5/5 NBR+Stal SOG 57
Wiper K07 16x22x3/4 NBR+Stal 999748 Wiper K07 16x22x3/4 NBR+Stal SOG request
Wiper K07 16x26x5/8 NBR+Stal 48003153 Wiper K07 16x26x5/8 NBR+Stal SOG 38
Wiper K09 16x24x4/7 PU K09-016 PU Wiper K09 16x24x4/7 PU Kastas 29
Wiper K10 16x24x6/8 K10-016 Wiper K10 16x24x6/8 Kastas 10
Wiper K103 16x24x4,5/6 NBR K103-016 NBR Wiper K103 16x24x4,5/6 NBR Kastas 16
Wiper K27 16x22x3,5/5,5 PU K27-016 PU Wiper K27 16x22x3,5/5,5 PU Kastas 14
Wiper K27 16x24x4,3/6,3 NBR K27-016/1 NBR Wiper K27 16x24x4,3/6,3 NBR Kastas 15
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 97
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 177
Wiper WPM 16x22x3/4 NBR+Stal 101873N Wiper WPM 16x22x3/4 NBR+Stal SOG 516
Wiper WPM 16x22x4/6 NBR+Stal 107248N Wiper WPM 16x22x4/6 NBR+Stal SOG 612
Wiper WPM 16x22x5/8 NBR+Stal 107249N Wiper WPM 16x22x5/8 NBR+Stal SOG 774
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 212
Wiper WSL 16x22x3/5 C0 [2EWSL511] WSL 0160 0220 030 C0 Wiper WSL 16x22x3/5 C0 [2EWSL511] Artic seals 20
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 113
Wiper WWS 16x24x4/7 C0 [2EWWS042] WWS 0160 0240 040 C0 Wiper WWS 16x24x4/7 C0 [2EWWS042] Artic seals 6 weeks
Wiper 18x26x4/7 A204 PU A204-018 PU Wiper 18x26x4/7 A204 PU ALP 60
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 145
Wiper A202 18x26,6x7/5 PU A202-018 PU Wiper A202 18x26,6x7/5 PU ALP 498
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 28
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 25
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 33
Wiper K07 18x24x4/6 NBR+Stal 99999800 Wiper K07 18x24x4/6 NBR+Stal SOG 41
Wiper K07 18x28x5/7 NBR+Stal 48007377 Wiper K07 18x28x5/7 NBR+Stal SOG request
Wiper K09 18x26x4/7 K09-018 PU Wiper K09 18x26x4/7 Kastas 10
Wiper K10 18x26x6/8 K10-018 Wiper K10 18x26x6/8 Kastas 10
Wiper K103-18x26x4,5/6 PU K103-018 PU Wiper K103-18x26x4,5/6 PU Kastas 27
Wiper K27 18x24x3,8/4,8 PU K27-018/2 PU Wiper K27 18x24x3,8/4,8 PU Kastas 10
Wiper K27 18x26x5/7 K27-018/4 PU Wiper K27 18x26x5/7 Kastas 13
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 507
Wiper WPM 18x26x5/7 NBR+Stal 108250N Wiper WPM 18x26x5/7 NBR+Stal SOG 2287
Wiper WPM 18x28x5/7 NBR+Stal 107863N Wiper WPM 18x28x5/7 NBR+Stal SOG 990
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 31
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