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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 K12 120x136x9/12 PU+Stal IVORY 48003339 WIPER K12 120x136x9/12 PU+Stal IVORY OEM 23
Wiper K91 120x128x5,7 PU K91-120 PU Wiper K91 120x128x5,7 PU Kastas 11
Wiper K94 120x135x9,5/14 PU K94-120 PU Wiper K94 120x135x9,5/14 PU Kastas 10
Wiper MBW 120x128x5,7 PU MBW-7122/A Wiper MBW 120x128x5,7 PU Guarnitec 8
Wiper VAY 120x140x5 NBR 196324N Wiper VAY 120x140x5 NBR SOG 22 weeks
Wiper VAY 120x145x4 NBR 197622N Wiper VAY 120x145x4 NBR SOG 22 weeks
Wiper WAT 120x132x5,5 [2EWAT343] WAT 1200 1320 055 C0 Wiper WAT 120x132x5,5 [2EWAT343] Artic seals 42
Wiper WDA 120x132,2x8,1/12,1 [2EWDA324] WDA 1200 1322 081 C0 Wiper WDA 120x132,2x8,1/12,1 [2EWDA324] Artic seals 15
Wiper WED 120x132,2x7,1 C0 [2EWED522] WED 1200 1322 071 C0 Wiper WED 120x132,2x7,1 C0 [2EWED522] Artic seals 6 weeks
Wiper WED 120x135x8,5 C0 [2EWED523] WED 1200 1350 085 C0 Wiper WED 120x135x8,5 C0 [2EWED523] Artic seals 6 weeks
Wiper WEL 120x111,4x5,3 PU WEL 1200 1114 053 C0 Wiper WEL 120x111,4x5,3 PU Artic seals 24
Wiper WPM 120x130x7/10 NBR+Stal 102465N Wiper WPM 120x130x7/10 NBR+Stal SOG 110
Wiper WSL 120x128,6x5,3 C0 [2EWSL250] WSL 1200 1286 053 C0 Wiper WSL 120x128,6x5,3 C0 [2EWSL250] Artic seals 12
Wiper WSL 120x130,6x5,3 C0 [2EWSL252] WSL 1200 1306 053 C0 Wiper WSL 120x130,6x5,3 C0 [2EWSL252] Artic seals 19
Wiper WSL 120x132,2x7,1 B0 [2EWSL407] WSL 1200 1322 071 B0 Wiper WSL 120x132,2x7,1 B0 [2EWSL407] Artic seals 6 weeks
Wiper WSL 120x132,2x7,1 C0 [2EWSL257] WSL 1200 1322 071 C0 Wiper WSL 120x132,2x7,1 C0 [2EWSL257] Artic seals 35
Wiper WWS 120x132x5,5/10 C0 [2EWWS161] WWS 1200 1320 055 C0 Wiper WWS 120x132x5,5/10 C0 [2EWWS161] Artic seals 17
Wiper Z-07 120x135x8 PU+Stal 999450 Wiper Z-07 120x135x8 PU+Stal OEM 17
Wiper Z-07 120x135x8 PU+Stal IVORY 48003248 Wiper Z-07 120x135x8 PU+Stal IVORY OEM 51
Wiper Z-07 120x140x10 PU+Stal 48002359 Wiper Z-07 120x140x10 PU+Stal OEM request
Wiper Z-07 120x140x8 PU+Stal 48002019 Wiper Z-07 120x140x8 PU+Stal OEM 75
Wiper Z-07 120x150x12 PU+Stal 48009170 Wiper Z-07 120x150x12 PU+Stal OEM request
Wiper 121x131x5/7 A202 PU A202-121 PU Wiper 121x131x5/7 A202 PU ALP 8
Wiper 125x116,4x7/5 A214 PU A214-125 PU Wiper 125x116,4x7/5 A214 PU ALP 20
Wiper 125x137x11/8,2 A205 PU A205-125 PU Wiper 125x137x11/8,2 A205 PU ALP 19
Wiper 125x140x9,5/7,5 A208 PU A208-125 PU Wiper 125x140x9,5/7,5 A208 PU ALP 30
Wiper A202 125x133,6x7/5 PU A202-125/1 PU Wiper A202 125x133,6x7/5 PU ALP 98
Wiper A202 125x137,6x12/7 PU A202-125/2 PU Wiper A202 125x137,6x12/7 PU ALP 26
Wiper A202 125x138x11,5/8 PU A202-125/4 PU Wiper A202 125x138x11,5/8 PU ALP 9
Wiper A202 125x140x13/8,6 PU A202-125/3 PU Wiper A202 125x140x13/8,6 PU ALP 17
Wiper A202 125x140x16/10 PU A202-125 PU Wiper A202 125x140x16/10 PU ALP 20
Wiper GHP 125x137x5,5/10 125000 Wiper GHP 125x137x5,5/10 Italy request
Wiper K05 125x137x5,5/10 K05-125/1 PU Wiper K05 125x137x5,5/10 Kastas 16
Wiper K05 125x140x9,5/13 PU K05-125 PU Wiper K05 125x140x9,5/13 PU Kastas 9
Wiper K06 125x133x5/7 K06-125/1 PU Wiper K06 125x133x5/7 Kastas 13
Wiper K06 125x137x7/12 K06-125/2 PU Wiper K06 125x137x7/12 Kastas 12
Wiper K06 125x140x10/16 K06-125 PU Wiper K06 125x140x10/16 Kastas 7
Wiper K07 125x140x9/12 NBR+Stal 998404 Wiper K07 125x140x9/12 NBR+Stal Taiwan 32
Wiper K09 125x137x5,5/10 NBR K09-125 NBR Wiper K09 125x137x5,5/10 NBR Kastas 7
Wiper K10 125x137x8,2/11 K10-125 Wiper K10 125x137x8,2/11 Kastas 5
Wiper K101 125x116,4x5,3/7 K101-125 Wiper K101 125x116,4x5,3/7 Kastas 4
Wiper K12 125x141x9/12 PU+Stal K12-125 PU Wiper K12 125x141x9/12 PU+Stal Taiwan request
Wiper K12 125x141x9/12 PU+Stal IVORY 48003260 Wiper K12 125x141x9/12 PU+Stal IVORY OEM 42
Wiper K27 125x140x7,5/9,5 PU K27-125 PU Wiper K27 125x140x7,5/9,5 PU Kastas request
Wiper K94 125x140x9,5/14 PU K94-125 PU Wiper K94 125x140x9,5/14 PU Kastas 5
Wiper WAT 125 137x5,5 [2EWAT361] WAT 1250 1370 055 C0 Wiper WAT 125 137x5,5 [2EWAT361] Artic seals 30
Wiper WAT 125x140x9,5 C0 [2EWAT362] WAT 1250 1400 095 C0 Wiper WAT 125x140x9,5 C0 [2EWAT362] Artic seals 6 weeks
Wiper WDA 125x137,2x8,1/12,1 C0 [2EWDA343] WDA 1250 1372 081 C0 Wiper WDA 125x137,2x8,1/12,1 C0 [2EWDA343] Artic seals 23
Wiper WED 125x140x8,5 C0 [2EWED532] WED 1250 1400 085 C0 Wiper WED 125x140x8,5 C0 [2EWED532] Artic seals 6 weeks
Wiper WPM 125x140x9/12 NBR+Stal 102327N Wiper WPM 125x140x9/12 NBR+Stal SOG 46
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