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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 140x155x9 NBR+Stal 999717 Wiper K07 140x155x9 NBR+Stal Kastas request
Wiper K09 140x152x5,5/10 NBR K09-140 NBR Wiper K09 140x152x5,5/10 NBR Kastas 1
Wiper K10 140x152x8,2/11 NBR K10-140 Wiper K10 140x152x8,2/11 NBR Kastas 5
Wiper K12 140x160x10/14 PU+Stal 48002538 Wiper K12 140x160x10/14 PU+Stal Taiwan 35
WIPER K12 140x160x10/14 PU+Stal IVORY 48003374 WIPER K12 140x160x10/14 PU+Stal IVORY Kastas request
Wiper K703 140x156x9,5 48005499 Wiper K703 140x156x9,5 OEM request
Wiper K91 140x148x5,7 PU K91-140 PU Wiper K91 140x148x5,7 PU Kastas 4
Wiper K94 140x155x9,5/14 PU K94-140 PU Wiper K94 140x155x9,5/14 PU Kastas 6
Wiper WED 140x155x8,5 C0 [2EWED541] WED 1400 1550 085 C0 Wiper WED 140x155x8,5 C0 [2EWED541] Artic seals 6 weeks
Wiper WPM 140x150x7/10 NBR+Stal 108026N Wiper WPM 140x150x7/10 NBR+Stal SOG 78
Wiper WPM 140x155x9/12 NBR+Stal 102468N Wiper WPM 140x155x9/12 NBR+Stal SOG 55
Wiper WSL 140x148,6x5,3 C0 [2EWSL279] WSL 1400 1486 053 C0 Wiper WSL 140x148,6x5,3 C0 [2EWSL279] Artic seals 37
Wiper WSL 140x148,6x6 C0 [2EWSL280] WSL 1400 1486 060 C0 Wiper WSL 140x148,6x6 C0 [2EWSL280] Artic seals 35
Wiper WSL 140x152,2x7,1 B0 [2EWSL282] WSL 1400 1522 071 B0 Wiper WSL 140x152,2x7,1 B0 [2EWSL282] Artic seals 6 weeks
Wiper WSL 140x152,2x7,1 C0 [2EWSL281] WSL 1400 1522 071 C0 Wiper WSL 140x152,2x7,1 C0 [2EWSL281] Artic seals 27
Wiper WSL 140x155x9 C0 [2EWSL285] WSL 1400 1550 090 C0 Wiper WSL 140x155x9 C0 [2EWSL285] Artic seals 24
Wiper WWS 140x152x5,5/10 C0 [2EWWS169] WWS 1400 1520 055 C0 Wiper WWS 140x152x5,5/10 C0 [2EWWS169] Artic seals request
Wiper Z-07 140x160x10 PU+Stal 48000107 Wiper Z-07 140x160x10 PU+Stal OEM 24
Wiper K06 143x151x5,2/7 PU K06-143 PU Wiper K06 143x151x5,2/7 PU Kastas 3
Wiper 145x160,2x9/16 A202 PU A202-145/1 PU Wiper 145x160,2x9/16 A202 PU ALP 16
Wiper A202 145x153,6x7/5 PU A202-145 PU Wiper A202 145x153,6x7/5 PU ALP 37
Wiper A202 145x157,2x12/7 PU A202-145/4 PU Wiper A202 145x157,2x12/7 PU ALP 10
Wiper A202 145x158x11/7,2 PU A202-145/3 PU Wiper A202 145x158x11/7,2 PU ALP 10
Wiper K10 145x157x8,2/11 K10-145 Wiper K10 145x157x8,2/11 Kastas 8
Wiper WPM 145x160x9/12 NBR+Stal 107010N Wiper WPM 145x160x9/12 NBR+Stal SOG 50
Wiper WSL 145x157,2x7,1 C0 [2EWSL289] WSL 1450 1572 071 C0 Wiper WSL 145x157,2x7,1 C0 [2EWSL289] Artic seals 26
Wiper GHW/S 149x159x5,7/6,4 PU 48003904 Wiper GHW/S 149x159x5,7/6,4 PU OEM 2
Wiper 150x162x7/12 A202 PU A202-150/1 PU Wiper 150x162x7/12 A202 PU ALP request
Wiper 150x165,6x10/16 A202 PU A202-150/2 PU Wiper 150x165,6x10/16 A202 PU ALP 17
Wiper 150x165x10/16 A202 PU A202-150 PU Wiper 150x165x10/16 A202 PU ALP 12
Wiper A202 150x165x12/7,1 PU A202-150/3 PU Wiper A202 150x165x12/7,1 PU ALP 18
Wiper K05 150x162x5,5/10 PU K05-150 PU Wiper K05 150x162x5,5/10 PU Kastas 8
Wiper K06 150x162x7/12 K06-150/2 PU Wiper K06 150x162x7/12 Kastas 5
Wiper K06 150x165x10/16 NBR K06-150 NBR Wiper K06 150x165x10/16 NBR Kastas 8
Wiper K07 150x165x9/12 NBR+Stal 999565 Wiper K07 150x165x9/12 NBR+Stal Kastas 9
Wiper K09 150x162x5,5/10 PU K09-150 PU Wiper K09 150x162x5,5/10 PU Kastas 7
Wiper K10 150x162x8,2/11 NBR K10-150 Wiper K10 150x162x8,2/11 NBR Kastas 2
Wiper WED 150x165x8,5 C0 [2EWED550] WED 1500 1650 085 C0 Wiper WED 150x165x8,5 C0 [2EWED550] Artic seals 6 weeks
Wiper WPM 150x165x9/12 NBR+Stal 106242N Wiper WPM 150x165x9/12 NBR+Stal SOG 50
Wiper WSL 150x162,2x7,1 B0 [2EWSL409] WSL 1500 1622 071 B0 Wiper WSL 150x162,2x7,1 B0 [2EWSL409] Artic seals 6 weeks
Wiper WWS 150x162x5,5/10 C0 [2EWWS173] WWS 1500 1620 055 C0 Wiper WWS 150x162x5,5/10 C0 [2EWWS173] Artic seals 24
Wiper Z-07 150x170x10 PU+Stal IVORY 48010535 Wiper Z-07 150x170x10 PU+Stal IVORY OEM 11
Wiper 152x162x6/9 SADL PU 48004828 Wiper 152x162x6/9 SADL PU Aston seals 23
Wiper 155x163x5/7 A202 PU A202-155/4 PU Wiper 155x163x5/7 A202 PU ALP 28
Wiper 155x167x7/12 A202 PU A202-155/2 PU Wiper 155x167x7/12 A202 PU ALP 17
Wiper 155x170x10/16 A202 PU A202-155 PU Wiper 155x170x10/16 A202 PU ALP 20
Wiper A202 155x167x10/7 PU A202-155/3 PU Wiper A202 155x167x10/7 PU ALP 40
Wiper K06 155x167x7/12 K06-155 NBR Wiper K06 155x167x7/12 Kastas 3
Wiper K09 155x167x5,5/10 PU K09-155 PU Wiper K09 155x167x5,5/10 PU Kastas 8
Wiper K703 155x167,2x8,1 TB+NBR 48003556 Wiper K703 155x167,2x8,1 TB+NBR OEM 3
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