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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.

Filter
Wipers dimension
Inside diameter d (mm)
Outside diameter D (mm)
Width h
Width H
Details
Seal type
Manufacturers
Manufacturers
38
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37
22
32
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25
Photo Code Name Producer Stock
Wiper 38x46x8/6 A205 PU A205-038 PU Wiper 38x46x8/6 A205 PU ALP 13
Wiper 38x48x4/5,8 A208 NBR A208-038 Wiper 38x48x4/5,8 A208 NBR ALP 56
Wiper 38x48x5,8/4 A208 PU A208-038 PU Wiper 38x48x5,8/4 A208 PU ALP 64
Wiper A202 38,1x47,54x7,15/4,46 PU A202-038 PU Wiper A202 38,1x47,54x7,15/4,46 PU ALP 49
Wiper A202 38,1x47,62x7,15/4,46 PU A202-038/5 PU Wiper A202 38,1x47,62x7,15/4,46 PU ALP 33
Wiper A202 38,1x47,62x7/4,5 PU A202-038/2 PU Wiper A202 38,1x47,62x7/4,5 PU ALP 95
Wiper A202 38,1x47,63x7,14/4,46 PU A202-038/4 PU Wiper A202 38,1x47,63x7,14/4,46 PU ALP 34
Wiper A202 38x46,6x7/5 PU A202-038/1 PU Wiper A202 38x46,6x7/5 PU ALP 119
Wiper A202 38x46,6x9/7 PU A202-038/3 PU Wiper A202 38x46,6x9/7 PU ALP 15
Wiper K06 38,10x47,54x4,46/7,1 K06-038 PU Wiper K06 38,10x47,54x4,46/7,1 Kastas 70
Wiper K06 38x46x5/7 K06-038/1 PU Wiper K06 38x46x5/7 Kastas 23
Wiper K07 38x48x7/10 NBR+Stal 48007397 Wiper K07 38x48x7/10 NBR+Stal Kastas request
Wiper K09 38x46x4/7 K09-038 PU Wiper K09 38x46x4/7 Kastas 10
Wiper K10 38x46x6/8 K10-038 Wiper K10 38x46x6/8 Kastas 28
Wiper VAY 38,1x59,13x10,31 NBR 410190N Wiper VAY 38,1x59,13x10,31 NBR SOG 52
Wiper WED 38x46x5/7 C0 [2EWED220] WED 0380 0460 050 C0 Wiper WED 38x46x5/7 C0 [2EWED220] Artic seals 60
Wiper WPM 38,1x46,18x2,84/4,45 NBR+Stal 103451N Wiper WPM 38,1x46,18x2,84/4,45 NBR+Stal SOG 155
Wiper WPM 38,1x47,63x4,78/7,14 NBR+Stal 105921N Wiper WPM 38,1x47,63x4,78/7,14 NBR+Stal SOG 112
Wiper WPM 38x48x7/10 NBR+Stal 105365N Wiper WPM 38x48x7/10 NBR+Stal SOG 84
Wiper WPM 38x53x5/8 FPM+Stal 113848V Wiper WPM 38x53x5/8 FPM+Stal SOG request
Wiper WPM 38x53x5/8 NBR+Stal 113848N Wiper WPM 38x53x5/8 NBR+Stal SOG 91
Wiper WSL 38,1x47,6x4,75/7 C0 [2EWSLI05] WSLI 1500 1875 0187 C0 Wiper WSL 38,1x47,6x4,75/7 C0 [2EWSLI05] Artic seals 60
Wiper WWS 38x46x4/7 B0 [2EWWS088] WWS 0380 0460 040 B0 Wiper WWS 38x46x4/7 B0 [2EWWS088] Artic seals 6 weeks
Wiper WWS 38x46x4/7 C0 [2EWWS089] WWS 0380 0460 040 C0 Wiper WWS 38x46x4/7 C0 [2EWWS089] Artic seals 31
Wiper Z-07 38,1x47,62x4,76 PU+Stal IVORY 48008611 Wiper Z-07 38,1x47,62x4,76 PU+Stal IVORY OEM 34
Wiper Z-07 38,1x50,8x6,30 PU+Stal IVORY 48003263 Wiper Z-07 38,1x50,8x6,30 PU+Stal IVORY OEM 66
Wiper Z-07 38,1x50,8x6,35 PU+Stal 999280 Wiper Z-07 38,1x50,8x6,35 PU+Stal OEM 97
Wiper Z-07 38,1x50,8x7,93 PU+Stal 48001504 Wiper Z-07 38,1x50,8x7,93 PU+Stal OEM 24
Wiper Z-07 38,1x57,15x9,5 PU+Stal IVORY 48003989 Wiper Z-07 38,1x57,15x9,5 PU+Stal IVORY OEM 35
Wiper 40x48x7/4 A204 PU A204-040 PU Wiper 40x48x7/4 A204 PU ALP 30
Wiper 20DR-40x53x7,5 20DR 40 Wiper 20DR-40x53x7,5 unknown request
Wiper 40x48x4/5 A205 PU A205-040/1 PU Wiper 40x48x4/5 A205 PU ALP 37
Wiper 40x48x4/8,5 SAM PU 48006936 Wiper 40x48x4/8,5 SAM PU Aston seals 16
Wiper 40x48x5/7 A202 PU A202-040/6 PU Wiper 40x48x5/7 A202 PU ALP 143
Wiper 40x48x5/7 A208 PU A208-040 PU Wiper 40x48x5/7 A208 PU ALP request
Wiper 40x48x5/7 SAP PU 48004926 Wiper 40x48x5/7 SAP PU Aston seals 4
Wiper 40x48x8/6 A205 PU A205-040 PU Wiper 40x48x8/6 A205 PU ALP 39
Wiper 40x52,2x5/8 A202 PU A202-040/2 PU Wiper 40x52,2x5/8 A202 PU ALP 78
Wiper A202 40x48,6x7/4 PU A202-040/1 PU Wiper A202 40x48,6x7/4 PU ALP 58
Wiper A202 40x48,6x7/5 PU A202-040 PU Wiper A202 40x48,6x7/5 PU ALP 192
Wiper A202 40x48x8/5 PU A202-040/5 PU Wiper A202 40x48x8/5 PU ALP 15
Wiper A202 40x50,6x7/5 PU A202-040/3 PU Wiper A202 40x50,6x7/5 PU ALP 160
Wiper A202 40x52,2x8/6 PU A202-040/4 PU Wiper A202 40x52,2x8/6 PU ALP 56
Wiper DKB 40x55x7/10 NBR+Stal 114722N Wiper DKB 40x55x7/10 NBR+Stal SOG 47
Wiper K05 40x48x4/7 K05-040 PU Wiper K05 40x48x4/7 Kastas 9
Wiper K05 40x48x5/7,8 K05-040/2 PU Wiper K05 40x48x5/7,8 Kastas request
Wiper K05 40x48x5/7,8 PU K05-040/1 PU Wiper K05 40x48x5/7,8 PU Kastas 14
Wiper K06 40x48x5/7 K06-040 PU Wiper K06 40x48x5/7 Kastas 118
Wiper K06 40x48x5/7 NBR K06-040 NBR Wiper K06 40x48x5/7 NBR Kastas 15
Wiper K06 40x50x5/7 K06-040/3 PU Wiper K06 40x50x5/7 Kastas 30
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