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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
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Photo Code Name Producer Stock
Wiper K06-90x102x5,8/8 PU K06-090/5 PU Wiper K06-90x102x5,8/8 PU Kastas 11
Wiper K07 90x100x7/10 NBR+Stal 48007411 Wiper K07 90x100x7/10 NBR+Stal SOG request
Wiper K07 90x100x7/10 PU+Stal 24002 Wiper K07 90x100x7/10 PU+Stal Kastas 25
Wiper K07 90x100x7/10 PU+Stal IVORY 48003245 Wiper K07 90x100x7/10 PU+Stal IVORY OEM 58
Wiper K09 90x98x4/7 PU K09-090 PU Wiper K09 90x98x4/7 PU Kastas 11
Wiper K101 90x81,4x5,3/7 PU K101-090 Wiper K101 90x81,4x5,3/7 PU Kastas 14
Wiper K12 90x104x8/11 PU+Stal 48001454 Wiper K12 90x104x8/11 PU+Stal Taiwan 187
Wiper K12 90x104x8/11 PU+Stal IVORY 48010926 Wiper K12 90x104x8/11 PU+Stal IVORY OEM 39
Wiper K27 90x102x7/12 K27-090 PU Wiper K27 90x102x7/12 Kastas 10
Wiper K703 90x102,2x8,1 48005498 Wiper K703 90x102,2x8,1 OEM 40
Wiper K703 90x98,8x6,3 TB+NBR 48003205 Wiper K703 90x98,8x6,3 TB+NBR OEM 13
Wiper K91 90x98x5,7 PU K91-090 PU Wiper K91 90x98x5,7 PU Kastas request
Wiper K94 90x102,2x7,1/12,4 PU K94-090 PU Wiper K94 90x102,2x7,1/12,4 PU Kastas 8
Wiper MBW 90x98x5,7 PU MBW-7120/A Wiper MBW 90x98x5,7 PU Guarnitec 16
Wiper TWS 90x98x5,7 PU TWS-90*98*5,7 Wiper TWS 90x98x5,7 PU unknown request
Wiper VAY 90x105x4 NBR 410212N Wiper VAY 90x105x4 NBR SOG 266
Wiper VAY 90x105x5 NBR 410174N Wiper VAY 90x105x5 NBR SOG 230
Wiper VAY 90x105x6 NBR 196600N Wiper VAY 90x105x6 NBR SOG 141
Wiper WAT 90x100x6,3 C0 [2EWAT305] WAT 0900 1000 063 C0 Wiper WAT 90x100x6,3 C0 [2EWAT305] Artic seals 39
Wiper WAT 90x98x4 C0 [2EWAT365] WAT 0900 0980 040 C0 Wiper WAT 90x98x4 C0 [2EWAT365] Artic seals 39
Wiper WDA 90x102,2x8,1/12,1 C0 [2EWDA229] WDA 0900 1022 081 C0 Wiper WDA 90x102,2x8,1/12,1 C0 [2EWDA229] Artic seals 21
Wiper WED 90x100x6 C0 [2EWED469] WED 0900 1000 060 C0 Wiper WED 90x100x6 C0 [2EWED469] Artic seals 94
Wiper WED 90x102,2x7,1 C0 [2EWED478] WED 0900 1022 071 C0 Wiper WED 90x102,2x7,1 C0 [2EWED478] Artic seals 25
Wiper WEL 90x81,4x5,3 PU WEL 0900 0814 053 C0 Wiper WEL 90x81,4x5,3 PU Artic seals 130
Wiper WPM 90x100x5/7 NBR+Stal 109359N Wiper WPM 90x100x5/7 NBR+Stal SOG 10
Wiper WPM 90x100x7/10 NBR+Stal 103721N Wiper WPM 90x100x7/10 NBR+Stal SOG 307
Wiper WSL 90x102,2x7,1 B0 [2EWSL204] WSL 0900 1022 071 B0 Wiper WSL 90x102,2x7,1 B0 [2EWSL204] Artic seals 6 weeks
Wiper WSL 90x102,2x7,1 C0 [2EWSL205] WSL 0900 1022 071 C0 Wiper WSL 90x102,2x7,1 C0 [2EWSL205] Artic seals 58
Wiper WSL 90x98x5,3 C0 [2EWSL203] WSL 0900 0980 053 C0 Wiper WSL 90x98x5,3 C0 [2EWSL203] Artic seals 115
Wiper WWS 90x98x4/7 C0 [2EWWS149] WWS 0900 0980 040 C0 Wiper WWS 90x98x4/7 C0 [2EWWS149] Artic seals 66
Wiper Z-07 90x105x5 PU+Stal IVORY 48003249 Wiper Z-07 90x105x5 PU+Stal IVORY OEM 102
Wiper Z-07 90x105x6 PU+Stal 48001460 Wiper Z-07 90x105x6 PU+Stal OEM 96
Wiper Z-07 90x105x8 PU+Stal 48003624 Wiper Z-07 90x105x8 PU+Stal OEM 249
Wiper Z-07 90x106x8 PU+Stal 48010523 Wiper Z-07 90x106x8 PU+Stal OEM 111
Wiper Z-07 90x110x8 PU+Stal 48002123 Wiper Z-07 90x110x8 PU+Stal OEM 100
Wiper EWS362 EWS362 Wiper EWS362 Edbro not available
Wiper GHD 91x97x5 PU 48002510 Wiper GHD 91x97x5 PU OEM 4
Wiper WSL 91x99,6x5,3 C0 [2EWSL209] WSL 0910 0996 053 C0 Wiper WSL 91x99,6x5,3 C0 [2EWSL209] Artic seals 90
Wiper WSL 92x103,6x5,5 C0 [2EWSL402] WSL 0920 1036 055 C0 Wiper WSL 92x103,6x5,5 C0 [2EWSL402] Artic seals 13
Wiper 95x103x7/4 A204 PU A204-095 PU Wiper 95x103x7/4 A204 PU ALP 38
Wiper 95x103x8/6 A205 PU A205-095 PU Wiper 95x103x8/6 A205 PU ALP 14
Wiper 95x105x7/10 SADL PU 48008238 Wiper 95x105x7/10 SADL PU Aston seals 18
Wiper 95x86,4x7/5 A214 PU A214-095 PU Wiper 95x86,4x7/5 A214 PU ALP 70
Wiper A202 95x103,6x7/5 PU A202-095/1 PU Wiper A202 95x103,6x7/5 PU ALP 87
Wiper A202 95x105,2x8/6 PU A202-095/2 PU Wiper A202 95x105,2x8/6 PU ALP 41
Wiper A202 95x107,2x10/7 PU A202-095/5 PU Wiper A202 95x107,2x10/7 PU ALP 114
Wiper A202 95x107,2x12/7 PU A202-095 PU Wiper A202 95x107,2x12/7 PU ALP 51
Wiper A202 95x107,2x7/5 PU A202-095/4 PU Wiper A202 95x107,2x7/5 PU ALP 46
Wiper K06 95x103x5/7 K06-095/1 PU Wiper K06 95x103x5/7 Kastas 9
Wiper K06 95x107x7/12 K06-095 PU Wiper K06 95x107x7/12 Kastas 7
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