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Low-Friction Wiper O-Ring Energized Low-friction design for nonabrasive environments. Recessed straight wiping lip provides better protection from debris and aggressive dirt exclusion without scratching the rod. Retro fits wipers of similar design.
Heavy-duty wiper to scrape off built-up debris. Typically made out of a rigid engineering plastic material. Straight scraping lip for aggressive dirt exclusion. Retro fits scrapers of similar design.
Stepped Double-Lip Snap-In Hydraulic Wiper Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Stepped design provides an accurate closure through interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
– Single rounded seal lip is the least aggressive sealing lip and is typically used in pneumatic applications to maintain a microscopically thin oil or grease film on the rod to keep the piston bearing and seal lubricated (Fig. 5).
Simple and economic wiper design. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Design provides interference fit with the housing for a better static seal on the OD. Recessed beveled wiping lip provides better protection from debris and retains microscopic thin fluid film on the rod to extend seal life during return stroke. Simple, effective and economic wiper design.
Ultra Heavy-Duty Hydraulic Press-In Wiper Beveled Lip Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Recessed beveled wiping lip provides better protection from debris and retains microscopically thin fluid film on the rod, thereby extending seal life.
V packingseal
*Maximum values depend on seal material, seal configuration, media, temperatures, pressures, surface speed, dynamic running surface finish and working environment. Data provided are guidelines for ideal operating conditions. Seals cannot be operated at their upper pressure and speed ratings at the same time. For maximum seal life expectancy, do not operate your seal beyond 75% of any of its operating limits. Please consult engineering or call 1-800-283-7140 for advice.
Integrated relieve groove design provides a low-friction wiping lip for small diameters for hydraulic or pneumatic applications. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Design provides interference fit with the housing for a better static seal on the OD. Recessed straight wiping lip provides better protection from debris and aggressive dirt exclusion without scratching the rod. Simple, effective and economic wiper design.
Snap-In Hydraulic Rod Wiper with OD Seal Lip Integrated seal lip on the OD for improved dirt and moisture exclusion mainly used on vertical cylinders. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
For heavy dirt, mud and moisture exclusion or equipment that is exposed to all-weather conditions, including applications with a vertical or upward orientated rod of the cylinder.
– Single beveled wiper lip or chamfered wiper lip (Fig.4) is less aggressive. The beveled lip allows the microscopically thin oil film on the rod to be retracted back into the system while providing adequate dirt exclusion in less contaminated environments.
Heavy-Duty Double-Lip Energized Scraper Heavy-duty wiper with redundant seal design. Redundant or multiple wiper lips are the most effective ways to improve a system’s sealing performance. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
Low-Friction Heavy-Duty Snap-In with OD Dirt Exclusion Aggressive wiper prevents the ingress of dirt or moisture through the OD, thus eliminating gland corrosion. Straight, low-friction wiping lip for aggressive dirt exclusion without scratching the rod. Used for both hydraulic and pneumatic systems with oil mist pressurized air. Best design for vertically operating cylinders in heavily contaminated environment.
Snap-In Hydraulic Rod Wiper Simple and economic wiper design. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Materials: high-performance polyurethanes, PTFE, PTFE, engineered thermoplastics, NBR, Nitrile, FKM, Viton®, H-NBR, EPDM, low- and high-temperature grades, including proprietary Duralast™, Duraloy™, and Permachem™ compounds.
Heavy-duty wiper with redundant seal design. Redundant or multiple wiper lips are the most effective ways to improve a system’s sealing performance. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
Hat Wiper for Hydraulic Rod Traditional trapped wiper design used in conjunction with hat packing in older cylinder designs.
Hydraulicseal
In applications where the equipment is exposed to heavy dirt, mud and moisture, all-weather conditions or where the rod of the cylinder is vertical or upward orientated, it is possible for moisture or other contaminants to get past the wiper, leading to corrosion and damage of components and seals. For these applications, we offer Highly-contaminated Environment Wipers (Fig.7, Fig.8) with specific design features incorporating an accurate closure between the housing and the wiper outside diameter (OD) to keep contamination out on both the dynamic OD and static OD surface.
Any purchases resulting from information provided by American High Performance Seals, Inc., including proposals, recommendations and quotes, are subject to “AHPSEALS TERMS AND CONDITIONS OF SALE.”
Heavy-duty wiper with redundant seal design. Redundant or multiple wiper lips are the most effective ways to improve a system’s sealing performance. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
Press-in Double-Lip Snap-In Straight-Lip Hydraulic Wiper Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Integrated U-ring with a beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper.
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Integrated seal lip on the OD for improved dirt and moisture exclusion mainly used on vertical cylinders. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
Hallite 846
Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Stepped design provides an accurate closure through interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
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Press-In Hydraulic Rod Wiper Beveled Lip Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Straight edge wiping lip for aggressive dirt exclusion without scratching the rod.
Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Integrated U-ring with a beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper.
Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Recessed beveled wiping lip provides better protection from debris and retains microscopically thin fluid film on the rod, thereby extending seal life.
Low-Friction Light-Duty Double-Lip O-Ring-Energized Wiper Light-service wiper with redundant seal design. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
Double-Lip Snap-In Straight-Lip Hydraulic Wiper Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Design provides interference fit with the housing for a better static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Integrated U-ring with a beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod sealss that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper.
Application-specific and proprietary wiper and seal designs are available. Please contact engineering to get the best seal for your rod sealing applications
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Contaminants can cause significant damage to the rod, cylinder wall, seals, valves and other components. One of the primary causes of premature seal and component failure in a fluid power system is contamination. It should be noted that rod seal failure is normally a swift result of wiper failure. Particular attention should be drawn to the selection of the wiper, and the following should be taken into consideration:
Temperature: -40°F to 400°F (-40°C to 200°C)* depending on seal material Materials: high-performance polyurethanes, PTFE, PTFE, engineered thermoplastics, NBR, Nitrile, FKM, Viton®, H-NBR, EPDM, FDA-compliant food grades, low- and high-temperature grades, including proprietary Duralast™, Duraloy™, and Permachem™ compounds.
Made out of a rigid engineering plastic material fitted outboard of the gland to scrape off built-up debris, including ice. Small height to fit applications with limited space.
Low-Friction Double-Lip O-Ring Energized Wiper Heavy-duty wiper with redundant seal design. Redundant or multiple wiper lips are the most effective ways to improve a system’s sealing performance. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
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Snap-In Hydraulic U-Wiper Straight Lip Design provides interference fit with the housing for a better static seal on the OD. Recessed straight wiping lip provides better protection from debris and aggressive dirt exclusion without scratching the rod. Simple, effective and economic wiper design.
Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Design provides interference fit with the housing for a better static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Integrated U-ring with a beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod sealss that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper.
Stepped design provides an accurate closure for highly contaminated environments. Interference fit with the housing offers a better static seal on the OD. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Light-service wiper with redundant seal design. Recessed straight wiping edge provides better protection from debris and aggressive dirt exclusion without scratching the rod. Secondary beveled seal lip facing the opposite side collects any leakage from the rod seal, providing for the driest rod sealing available. To prevent a pressure trap, it is important to use one of our long-life rod seals or S92 buffer seals that allow pressure relief; otherwise, a pressure-relief port must be present between the rod seal and wiper. Retro fits wipers of similar design.
Materials: high-performance polyurethanes, PTFE, PTFE, engineered thermoplastics, NBR, Nitrile, FKM, Viton®, H-NBR, EPDM, FDA-compliant food grades, low- and high-temperature grades, including proprietary Duralast™, Duraloy™, and Permachem™ compounds.
– Highly-Contaminated Environment Wipers & Scrapers – Dust and Particle Exclusion Wipers – Dry Rod Operation Wipers – Low-Friction System Wipers
Snap-In Straight-Lip Hydraulic Wiper Design provides interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Simple, effective and economic wiper design.
Snap-In U-Wiper for Hydraulic Beveled Lip Design provides interference fit with the housing for a better static seal on the OD. Recessed beveled wiping lip provides better protection from debris and retains microscopic thin fluid film on the rod to extend seal life during return stroke. Simple, effective and economic wiper design.
Rod seal
– Double or redundant wiper lips (Fig.6) are one of the most effective ways to improve a system’s sealing performance. This wiper design must be paired with one of our Long-Life Rod Seals to provide for the driest long-life rod sealing available. It eliminates the release of built-up fluid pressure (pressure trap) between the wiper and the rod seal, also known as “burping,” by releasing built-up fluid pressure back past the rod seal and into the system.
C6-SVQBR-35175-16 94338 Turning.
50x70x14, 51110, 51110,51110,
Snap-In Hydraulic Rod Debris Scraper Made out of a rigid engineering plastic material fitted outboard of the gland to scrape off built-up debris, including ice. Small height to fit applications with limited space.
Materials: high-performance polyurethanes, PTFE, PTFE, engineered thermoplastics, NBR, Nitrile, FKM, Viton®, H-NBR, EPDM, FDA-compliant food grades, low- and high-temperature grades, including proprietary Duralast™, Duraloy™, and Permachem™ compounds.
It is important to properly pair the wiper and rod seal. If the wiper and the rod seal are not matched, leakage and premature failure can occur. An aggressive wiper lip requires an aggressive rod seal lip design or a redundant High-Performance Rod Sealing System
– Single lip, straight wiper lip design (Fig.3) is the most aggressive. It offers the best scraping and dirt removal performance and is recommended for most sealing applications with high contamination
Ultra Heavy-Duty Hydraulic Press-In Wiper Straight Lip Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Straight, recessed wiping lip provides best protection from damaging debris while providing the most aggressive dirt exclusion without scratching the rod.
Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
Generally the least expensive wiper, it is more costly to machine the groove; however, this style provides the best long-term wiping performance.
Low-friction design for nonabrasive environments. Recessed straight wiping lip provides better protection from debris and aggressive dirt exclusion without scratching the rod. Retro fits wipers of similar design.
Stepped Double-Lip Snap-In Hydraulic Wiper Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Stepped design provides an accurate closure through interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
Low-Friction Snap-In Wiper for Small Diameters Integrated relieve groove design provides a low-friction wiping lip for small diameters for hydraulic or pneumatic applications. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
The V-Ring® is a unique all-rubber seal which prevents the ingress of dirt, dust, water or combinations of these media while preventing lubricants from ...
Aggressive wiper prevents the ingress of dirt or moisture through the OD, thus eliminating gland corrosion. Straight, heavy-loaded wiping lip for aggressive dirt exclusion without scratching the rod. Best design for vertically operating cylinders in heavily contaminated environment.
The primary function of a wiper is to keep contaminants such as dirt, dust and moisture from entering the fluid power system.
Stepped Snap-In Hydraulic Rod Wiper Beveled Lip Stepped design provides an accurate closure for highly contaminated environments. Interference fit with the housing offers a better static seal on the OD. Beveled wiping lip retains microscopically thin fluid film on the rod, thereby extending seal life.
When the rod extends past the rod seal, a thin film of oil remains on the rod, trapped in microscopic surface imperfections. The thickness of the oil film depends upon the surface finish, rod seal and surface speed of the rod. During the return stroke, this thin film can be removed by an aggressive wiper lip, resulting in system leakage.
Wiper sealsize Chart
Heavy-Duty Snap-In Hydraulic Wiper with OD Dirt Exclusion Aggressive wiper prevents the ingress of dirt or moisture through the OD, thus eliminating gland corrosion. Straight, heavy-loaded wiping lip for aggressive dirt exclusion without scratching the rod. Best design for vertically operating cylinders in heavily contaminated environment.
Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Straight, recessed wiping lip provides best protection from damaging debris while providing the most aggressive dirt exclusion without scratching the rod.
By monitoring your critical equipment in the plant you can optimize performance, minimize costly unplanned downtime, and maintain the quality of machined parts.
American High Performance Seals assumes no obligation or liability for any advice furnished, or results obtained with respect to these products. All such advice is given and accepted at the buyer’s risk.
This information, based on our experience, is offered as part of our service to customers. It is intended for use by persons having technical skill, at their own discretion and risk. We do not guarantee favorable results, and we assume no liability in connection with its use
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Heavy-Duty Snap-In Rod Scraper Heavy-duty wiper to scrape off built-up debris. Typically made out of a rigid engineering plastic material. Straight scraping lip for aggressive dirt exclusion. Retro fits scrapers of similar design.
Rod wiperdog
Press-In Hydraulic Rod Wiper Straight Lip Press-in design provides for the best OD sealing and reduced manufacturing cost to machine the open gland design. Outer can is made of engineering plastic or metal for press-fit installation. Straight edge wiping lip for aggressive dirt exclusion without scratching the rod.
Design provides interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod. Simple, effective and economic wiper design.
Double-lip or redundant wiper lips are the most effective ways to improve a system’s sealing performance. Stepped design provides an accurate closure through interference fit with the housing for a static seal on the OD. Straight wiping lip for aggressive dirt exclusion without scratching the rod.
Aggressive wiper prevents the ingress of dirt or moisture through the OD, thus eliminating gland corrosion. Straight, low-friction wiping lip for aggressive dirt exclusion without scratching the rod. Used for both hydraulic and pneumatic systems with oil mist pressurized air. Best design for vertically operating cylinders in heavily contaminated environment.