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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 95x105x7/10 NBR+Stal K07-095 Wiper K07 95x105x7/10 NBR+Stal SOG request
Wiper K07 95x105x7/10 PU+Stal 48007416 Wiper K07 95x105x7/10 PU+Stal Kastas 30
Wiper K09 95x103x4/7 PU K09-095 PU Wiper K09 95x103x4/7 PU Kastas 11
Wiper K10 95x103x6/8 NBR K10-095 Wiper K10 95x103x6/8 NBR Kastas 11
Wiper K12 95x109x8/11 PU+Stal 48002306 Wiper K12 95x109x8/11 PU+Stal Taiwan 36
WIPER K12 95x109x8/11 PU+Stal IVORY 48003337 WIPER K12 95x109x8/11 PU+Stal IVORY OEM 11
Wiper K27 95x107x7/12 K27-095 PU Wiper K27 95x107x7/12 Kastas 6
Wiper WDA 95x107,2x8,1/12,1 [2EWDA248] WDA 0950 1072 081 C0 Wiper WDA 95x107,2x8,1/12,1 [2EWDA248] Artic seals 58
Wiper WED 95x107,2x7,1 C0 [2EWED480] WED 0950 1072 071 C0 Wiper WED 95x107,2x7,1 C0 [2EWED480] Artic seals 6 weeks
Wiper WEL 95x86,4x5,3 PU WEL 0950 0864 053 C0 Wiper WEL 95x86,4x5,3 PU Artic seals 31
Wiper WPM 95x105x7/10 NBR+Stal 106018N Wiper WPM 95x105x7/10 NBR+Stal SOG 186
Wiper WSL 95x107,2x7,1 C0 [2EWSL213] WSL 0950 1072 071 C0 Wiper WSL 95x107,2x7,1 C0 [2EWSL213] Artic seals 69
Wiper WWS 95x103x4/7 C0 [2EWWS301] WWS 0950 1030 040 C0 Wiper WWS 95x103x4/7 C0 [2EWWS301] Artic seals 19
Wiper Z-07 95x110x8 PU+Stal 48001827 Wiper Z-07 95x110x8 PU+Stal OEM 22
Wiper A202 97x105x7/5 PU A202-097 PU Wiper A202 97x105x7/5 PU ALP 103
Wiper K06 97x105x4,7/7 PU K06-097 PU Wiper K06 97x105x4,7/7 PU Kastas 12
Wiper WSL 97x105,6x5,3 C0 [2EWSL216] WSL 0970 1056 053 C0 Wiper WSL 97x105,6x5,3 C0 [2EWSL216] Artic seals 31
Wiper 100x108x7/4 A204 PU A204-100 PU Wiper 100x108x7/4 A204 PU ALP 10
Wiper 100x108,6x5/7 A202 PU A202-100/3 PU Wiper 100x108,6x5/7 A202 PU ALP 20
Wiper 100x108x8/6 A205 PU A205-100 PU Wiper 100x108x8/6 A205 PU ALP 14
Wiper 100x110x5/7 A202 PU A202-100/2 PU Wiper 100x110x5/7 A202 PU ALP 81
Wiper 100x110x6/9 SADL PU 48004826 Wiper 100x110x6/9 SADL PU Aston seals 22
Wiper 100x91,4x7/5 A214 PU A214-100 PU Wiper 100x91,4x7/5 A214 PU ALP 50
Wiper A202 100x112,2x12/7 PU A202-100 PU Wiper A202 100x112,2x12/7 PU ALP 51
Wiper A202 100x115,2x13/9,2 PU A202-100/1 PU Wiper A202 100x115,2x13/9,2 PU ALP 7
Wiper GHW 100x110x6/8 PU 100001 Wiper GHW 100x110x6/8 PU Italy request
Wiper K05 100x115x9,5/13 PU K05-100/1 PU Wiper K05 100x115x9,5/13 PU Kastas 17
Wiper K06 100x108x5/7 NBR K06-100/1 NBR Wiper K06 100x108x5/7 NBR Kastas 9
Wiper K06 100x110x5/7 NBR K06-100/5 NBR Wiper K06 100x110x5/7 NBR Kastas 10
Wiper K06 100x110x6,8/8 PU K06-100/4 PU Wiper K06 100x110x6,8/8 PU Kastas 15
Wiper K06 100x112x7/12 K06-100 PU Wiper K06 100x112x7/12 Kastas 10
Wiper K06 100x115x9,2/13 PU K06-100/2 PU Wiper K06 100x115x9,2/13 PU Kastas 5
Wiper K07 100x110x7/10 NBR+Stal Wiper K07 100x110x7/10 NBR+Stal SOG request
Wiper K07 100x110x7/10 NBR+Stal 48004800 Wiper K07 100x110x7/10 NBR+Stal SOG request
Wiper K07 100x110x7/10 PU+Stal 48002279 Wiper K07 100x110x7/10 PU+Stal Kastas 92
Wiper K07 100x115x8/10 NBR+Stal 48003216 Wiper K07 100x115x8/10 NBR+Stal SOG 51
Wiper K07 100x115x8/11 PU+Stal 48003971 Wiper K07 100x115x8/11 PU+Stal Kastas 47
Wiper K07 100x115x9/12 NBR+Stal 48001319 Wiper K07 100x115x9/12 NBR+Stal SOG request
Wiper K09 100x108x4/7 PU K09-100 PU Wiper K09 100x108x4/7 PU Kastas 10
Wiper K10 100x108x6/8 K10-100 Wiper K10 100x108x6/8 Kastas 19
Wiper K101 100x91,4x5,3 K101-100 Wiper K101 100x91,4x5,3 Kastas 14
Wiper K12 100x114x8/11 PU+Stal 48001336 Wiper K12 100x114x8/11 PU+Stal Taiwan 24
WIPER K12 100x114x8/11 PU+Stal IVORY 48003338 WIPER K12 100x114x8/11 PU+Stal IVORY OEM 83
Wiper K27 100x110x7/9 PU K27-100 PU Wiper K27 100x110x7/9 PU Kastas 10
Wiper K27 100x112,2x7/12 K27-100/2 PU Wiper K27 100x112,2x7/12 Kastas request
Wiper K703 100x112,2x8,1 TB+NBR 48003368 Wiper K703 100x112,2x8,1 TB+NBR OEM 23
Wiper WAT 100x115x9,5 C0 [2EWAT324] WAT 1000 1150 095 C0 Wiper WAT 100x115x9,5 C0 [2EWAT324] Artic seals 6 weeks
Wiper WDA 100x112,2x8,1/12,1 [2EWDA267] WDA 1000 1122 081 C0 Wiper WDA 100x112,2x8,1/12,1 [2EWDA267] Artic seals 39
Wiper WED 100x110x6 C0 [2EWED487] WED 1000 1100 060 C0 Wiper WED 100x110x6 C0 [2EWED487] Artic seals 20
Wiper WED 100x112,2x7,1 PU WED 1000 1122 071 C0 Wiper WED 100x112,2x7,1 PU Artic seals 50
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