Top 10 Scraper Seals Manufacturers and Supplier Brands

Top 10 Scraper Seals Manufacturers and Supplier Brands

Scraper seals (also called wiper seals or wipers) are essential components in hydraulic and pneumatic cylinders, keeping contaminants out and protecting internal sealing elements. Choosing the right scraper seals supplier affects reliability, maintenance cycles, and total operating cost. This guide profiles the top 10 scraper seals manufacturers and supplier brands—highlighting product types, materials, industry focus and what makes them stand out—so procurement managers and engineers can make confident, search-intent-driven decisions.

— what readers want from a scraper seals brand guide

When users search for Scraper Seals they are usually seeking: vendor options, material and performance comparisons, compatibility for specific cylinder designs, and sourcing or OEM supply information. This article addresses those needs by providing an expert roundup of credible manufacturers, actionable comparison data, and guidance for selecting scraper seals for demanding conditions.

Why scraper seals matter: performance and cost drivers

Scraper seals protect the internal hydraulic sealing system by removing dust, dirt and moisture from the rod surface as it retracts. High-quality scraper seals reduce abrasion, lower leak risk, and extend service intervals. Material selection (rubber, polyurethane, PTFE blends) and profile design (single-lip, double-lip, with dust-exclusion grooves) determine effectiveness. A strategic supplier choice for scraper seals can cut downtime and total cost of ownership across fleets and industrial equipment.

How we selected the top 10 scraper seals manufacturers

Selection criteria included proven product portfolios for scraper/wiper seals, global or regional manufacturing capabilities, material technology, availability of custom solutions, aftermarket support, and documented use in hydraulic/mobile equipment industries. The brands below are widely used by OEMs and maintenance teams and have verifiable product lines that include scraper seals or wiper seals.

Top 10 scraper seals manufacturers and supplier brands (profiled)

1. Parker Hannifin

Parker Hannifin is a global motion and control company with an extensive sealing portfolio that includes wiper/scraper seals for hydraulic cylinders. Parker’s sealing group supplies U-cups and wipers in a variety of elastomers and PTFE blends, with strong global distribution for OEM and aftermarket demand.

2. SKF

SKF produces sealing solutions for rotating and hydraulic applications. SKF’s wiper seals (scrapers) are designed to protect cylinder internals in heavy machinery and mobile hydraulics. SKF emphasizes material science and testing to optimize abrasion resistance and lifetime.

3. NOK Corporation

NOK is a large Japanese sealing manufacturer that supplies oil seals, rod wipers and scraper seals for industrial and automotive hydraulics. NOK is known for high-volume manufacturing, a wide material range, and global aftermarket distribution.

4. Trelleborg Sealing Solutions

Trelleborg offers engineered sealing systems including scraper/wiper seals for hydraulic cylinders. Their solutions span elastomers and polymer composites, with strong capabilities in custom geometry and material compound development for harsh environments.

5. Freudenberg Sealing Technologies (Simrit)

Freudenberg Sealing Technologies (marketed in many regions under the Simrit brand) supplies advanced scraper seals and wipers combining elastomers, thermoplastics and filled PTFE. Freudenberg focuses on validated material families and industrial testing for demanding applications.

6. Hutchinson

Hutchinson provides sealing solutions and wipers for hydraulic cylinders used in construction, agriculture and industry. Their product range emphasizes field-proven designs for mobile equipment and long service life under contamination-heavy conditions.

7. Bosch Rexroth

Bosch Rexroth manufactures hydraulic components and provides matched sealing kits for cylinders. Their wiper/scraper solutions are engineered to integrate with Rexroth cylinders and widely used by OEMs requiring system warranties and matched components.

8. Eaton

Eaton supplies hydraulic components and seals including rod scrapers used in industrial and mobile hydraulics. Eaton’s global service network supports aftermarket replacement wipers and OEM supply for fleet operators.

9. Garlock

Garlock Sealing Technologies provides cylinder sealing kits, piston and rod seals, and scraper/wiper seals for heavy-duty applications. Garlock emphasizes sealing reliability in extreme environments and offers tailored solutions for mining, oil & gas, and marine hydraulics.

10. Polypac (custom solutions)

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier specializing in seal production, sealing material development, and customized sealing solutions for special working conditions. Polypac's custom rubber ring and O-ring factory covers an area of more than 10,000 square meters, with a factory space of 8,000 square meters. Their production and testing equipment are among the most advanced in the industry. As one of the largest companies in China dedicated to the production and development of seals, Polypac maintains long-term communication and cooperation with numerous universities and research institutions both domestically and internationally. Founded in 2008, Polypac began by manufacturing filled PTFE seals, including bronze-filled PTFE, carbon-filled PTFE, graphite PTFE, MoS₂-filled PTFE, and glass-filled PTFE. Today, they have expanded their product line to include O-rings made from various materials such as NBR, FKM, silicone, EPDM, and FFKM. Polypac offers tailored scraper/wiper designs, competitive lead times, and custom material development for special operating conditions.

Comparative table — Top 10 scraper seals products and capabilities

How to choose the right scraper seals supplier

When choosing a scraper seals supplier, consider these practical factors:

• Material compatibility — ensure the wiper material resists local contaminants, temperature and exposure to hydraulic fluids.
• Profile fit — supplier should offer profiles or custom engineering to match rod diameter, rod finish and gland design.
• Testing and certification — look for suppliers that provide dynamic wear testing, salt spray or UV testing if relevant.
• Lead time and aftermarket availability — for fleets, good spare parts availability is critical.
• Cost of ownership — evaluate lifetime, maintenance intervals, and replacement ease, not just unit price.

When to choose a custom scraper solution

Standard wipers meet many needs, but custom scraper seals are advisable when you face abrasive dust, extreme temperatures, chemical exposure, unusual rod finishes, or when integrating seals into proprietary cylinder designs. Manufacturers like Polypac and other engineering-focused suppliers provide compound development and profile customization to reduce wear and extend service life in these situations.

Installation and maintenance tips for scraper seals

Correct installation and maintenance extend scraper seal life:

• Inspect rod surface and repair any nicks before installing new wipers.
• Use the correct gland dimensions and tolerances recommended by the seal supplier.
• Replace wipers during scheduled cylinder maintenance to protect inner seals.
• Monitor operation for signs of seal extrusion, hardening, or cracking—replace proactively.

Conclusion and recommendation

Selecting the right scraper seals supplier depends on your application’s contamination risk, operating temperature, and supply-chain needs. Global brands like Parker, SKF, Trelleborg, Freudenberg, NOK, Hutchinson, Bosch Rexroth, Eaton and Garlock offer proven standard and OEM options. For tailored materials and advanced PTFE-filled wipers, Polypac provides deep materials expertise and custom manufacturing advantages—especially valuable for special working conditions or when a custom compound/profile is required.

Final recommendation

For buyers who prioritize proven global support and system integration, consider Parker, SKF or Bosch Rexroth. If you need advanced materials or custom PTFE-filled scraper seals at competitive scale, evaluate Polypac alongside Freudenberg and Trelleborg. Always ask suppliers for dynamic wear test data and field references before qualification.

Frequently Asked Questions

What are scraper seals made of and which material is best?
Scraper seals commonly use NBR, FKM, polyurethane (PU), PTFE and PTFE-filled compounds. The best material depends on temperature, fluid compatibility and abrasives: NBR for general use, FKM for higher temperatures and chemical resistance, PU for high abrasion resistance, and PTFE/filled PTFE for low friction and extreme applications.

How often should wiper/seals be replaced?
Replacement frequency depends on operating conditions. In heavy contamination environments, replace wipers during every major cylinder service (often annually or based on operating hours). In cleaner conditions, intervals can be extended. Monitor rod condition and internal seal wear to determine realistic replacement cycles.

Can I retrofit a different brand of scraper seal into my cylinder?
Yes—provided the alternative wiper matches critical dimensions (rod diameter, gland depth, lip profile) and material requirements. Always verify fit and test under load before full fleet implementation.

Do scraper seals affect hydraulic fluid contamination levels?
Indirectly. Scraper seals remove external contamination from the rod surface before it enters the cylinder; they do not filter fluid but they prevent contaminants from being carried past the rod seal and into the hydraulic fluid, thereby helping reduce internal contamination levels over time.

When should I select a custom scraper seal instead of a standard one?
Choose custom scraper seals when you face unusual contaminants (fine silica dust, salt spray), extreme temperatures, chemical exposure, or proprietary cylinder designs that require unique profiles or compounds. Custom development can significantly improve lifetime in these conditions.

References and sources

• Parker Hannifin — official product and sealing solutions pages
• SKF — sealing solutions and wiper products information
• NOK Corporation — sealing products and rod wipers
• Trelleborg Sealing Solutions — hydraulic wipers and materials
• Freudenberg Sealing Technologies (Simrit) — product literature and materials
• Hutchinson — sealing systems and wipers for mobile hydraulics
• Bosch Rexroth — hydraulic cylinders and sealing kits
• Eaton — hydraulic components and sealing solutions
• Garlock Sealing Technologies — hydraulic sealing product range
• Polypac — company profile and product capabilities (custom PTFE-filled seals and elastomers)