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JST PU (Polyurethane) wiper seals are high-performance, wear-resistant seals designed for hydraulic cylinders to prevent contaminants like dust, dirt, and moisture from entering the system. These seals, often featuring a polyurethane lip, offer excellent abrasion resistance and elasticity, making them suitable for heavy-duty applications in construction and agricultural machinery.
Key Types of JST PU Wiper Seals
- DKBI Wiper Seal: A press-in style seal molded with PU (or NBR90) onto a metal frame, designed to fit tightly into the assembly hole for superior dust protection and reduced oil film leakage.
- DLI Wiper Seal: A double-acting wiper designed for heavy-duty applications, combining a polyurethane (PU) sealing element with an iron casing for enhanced structural integrity and dust resistance.
- J/JA Type Dust Wiper Seal: These are specifically designed for piston rods, with typical sizes like 28354.7/7.7.
Key Features and Benefits
- Superior Durability: High-grade PU material offers excellent tear and abrasion resistance, ideal for harsh environments.
- Effective Sealing: Maintains contact with the piston rod, effectively scraping away foreign particles.
- Wide Temperature Range: Capable of operating in varied conditions, with some polyurethane formulations covering -40°C to 100°C.
- Easy Installation: Designed for easy installation, with press-in options available.
Applications
- Construction Machinery: Excavators, loaders, and bulldozers.
- Agricultural Equipment: Tractors and machinery.
- Industrial Hydraulics: Injection molding machines and earth-moving equipment.
- High-Pressure Systems: Used where high durability and superior resistance to dust are required.
JST Seals, a Voneseals company, provides these seals and has been a leading manufacturer for over 29 years.
For a better recommendation, are you looking for a specific size or a particular type of JST seal for your hydraulic cylinder?
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NBR HNBR PU wiper seal
JST-Seals
https://www.jst-seals.com › nbr-hnbr-pu-wiper-seal_p67
JST-Seals
https://www.jst-seals.com › nbr-hnbr-pu-wiper-seal_p67
Wipers are installed in the sealing configurations of hydraulic cylinders to prevent contaminants such as dirt, dust and moisture from entering the cylinder as ...Read more
PU rod wiper seals catalogue
JST-Seals
https://www.jst-seals.com › pu-rod-wiper-seals-catalogue...
JST-Seals
https://www.jst-seals.com › pu-rod-wiper-seals-catalogue...
OEM PU rod wiper seals catalogue with reasonable price. More PU rod wiper seals catalogue Solutions welcome to contact us!
OEM Pu Seals,pu Seals Manufacturer,pu Seals Factory
JST-Seals
https://www.jst-seals.com › pu-seals_sp
JST-Seals
https://www.jst-seals.com › pu-seals_sp
Tags : Rod wiper seal price list JST NBR wiper seals size rubber scraper seals online NBR wipers seal metric size wiper seals PU rod wiper seals catalogue.Read more
Dust Wiper Seal
jspseal.com
https://www.jspseal.com › dust-wiper-seal
jspseal.com
https://www.jspseal.com › dust-wiper-seal
We emphasize progress and introduce new solutions into the market each year for Dust Wiper Seal, Earthmoving Seal Kits , Hydraulic Cylinder Pu Wiper Seals , ...Read more
J PU Hydraulic Plastic Dust Wiper Scraper Seal
Made-in-China.com
https://swksseal.en.made-in-china.com › qFltZhixXSrQ
Made-in-China.com
https://swksseal.en.made-in-china.com › qFltZhixXSrQ
J PU Hydraulic Plastic Dust Wiper Scraper Seal ; Work Temperature: Normal Temperature ; Feature: Wear-Resistant, Flame-Resistant, Tear-Resistant, Heat-Resistant, ...Read more
$0.11In stockFree delivery
Hydraulic PU Wiper seals 35mm ID x 47mm OD x 5mm lip ...
eBay
https://www.ebay.com › itm
eBay
https://www.ebay.com › itm
J Type Hydraulic wiper dust seal. Manufactured from High Density Polyurethane Blue colour. Type: UN, UH, GB, GK, KY, NKS, KDAS etc. Elasticity impact: >25%.
What are the types of hydraulic seals?
Quora
1 answer · 11 years ago
Quora
1 answer · 11 years ago
Hydraulic sealing elements have 5 main category: Rod seals, Piston seals, U-symmetrical seals, Wiper seals and guide rings.
1 answer ·  Top answer: Hydraulic sealing elements have 5 main category: Rod seals, Piston seals, U-symmetrical seals, Wiper seals and guide rings. Hydraulic seals prevent leakage ...
Can anyone tell me if the bushes for wiper/washer should ...
Facebook · TRIUMPH TR6 RESTORATION
6 comments · 7 years ago
Facebook · TRIUMPH TR6 RESTORATION
6 comments · 7 years ago
Is it worth doping the anti roll bar bushes too? Doesn't seem to be rubber ones available, just PU but don't think that will affect the ride.Read more
Top answer:Â Hi Roy, my bases were harder than the top section.
Hydraulic Polyurethane Wiper Seals - Durable & Reliable
Alibaba.com
https://www.alibaba.com › ... › Hardware › Seals
Alibaba.com
https://www.alibaba.com › ... › Hardware › Seals
Hydraulic polyurethane wiper seals serve a vital purpose in keeping various machine systems working well for many years. These parts stop fluids, gases, ...Read more
 store rating (346)
Wiper/seal replacement
Montana Owners Club
https://www.montanaowners.com › threads › wiper-seal...
Montana Owners Club
https://www.montanaowners.com › threads › wiper-seal...
Aug 22, 2019 — The outside side wiper seals are of a design that slips over a metal extrusion, so you need to put a flat screwdriver to the inside to help it off the metal.Read more
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