Hydraulic rod seals for fluid applications trelleborg. Pioneer westons asymmetric ucup is available in both piston and rod geometries and offers a stand alone, robust solution for both hydraulic and pneumatic reciprocating applications. Ucups and upackings the distinction between ucups and upackings results from the difference in materials used in their fabrication. The urethane ucup design provides an excellent heavyduty seal for either piston or rod applications.
Keep reading to learn more about some of the fundamentals of seal design and fluid power sealing theory from our partners at parker. U cup seals are often used for piston or rod seals due to the small gland space they require. Mfp offers a wide range of ucup designs and produces them from a broad range of materials. They have a doublelip design and a secondary dynamic sealing lip. Ucup seals are often used for piston or rod seals due to the small gland space they require. It assures improved sealing performance due to the following features. Loaded ucups, non loaded ucups, hydraulic or pneumatic ucups, mfp has a design for your application. The sealing effect of a ucup symmetric seal is obtained thanks to the lip precompression due to installation and to the pressure effect on the lips.
Zbr seals are polyurethane ucup rod seals and are made of lubrithane tpu and have a doublelip design. Know more about metric ucup seal sizes and designs. Ucup rod seals seal assembliesbackup ring cat parts. The loaded ucups overall shape is a large rectangle that significantly adds to the seals stability. Phone or email us, and we will be pleased to make a recommendation. The seal design follows the principles described above. The unloaded urethane ucup design provides an excellent heavyduty seal for both piston or rod applications and works well in static and dynamic applications. Its asymmetrical design ensures that the seal lip forces are optimized for every cross section and diameter. The polypak seals ospring energizer stabilizes the seal under extreme pressures, preventing seal lip distortion and rolling or twisting in the gland.
Seal software provides a better way to find answers and continually improve outcomes. Mechanical seal technology and selection eagleburgmann. These seals are suitable for closed groove installation. Hythane type cu useals are designed to be used in rod and piston seal applications. Preferred profile rod, wiper, and piston seal designs are offered in metric parker. Ucup has an id smaller than the groove for which it is intended. Get more information on seal and design offerings of skf slc rod and buffer seals by downloading a free brochure today. Our proprietary rod seal designs meet users requirements for low friction, compact.
Hydraulic seals u cups piston seals colonial seal co. Depending on the application, a rod sealing system. Now i can do it myself, in my numerous companies names and even for our advertising branding too. Design seal online software online design software. Jan 03, 2017 we pride ourselves on being the seal specialist, and our engineering department is ready to help seal your toughest application. Because ucups do not rely on initial compression to seal, they are excellent in applications that require low breakaway pressure. Skf slc produces over 30 million seals each year in close to 50,000 part numbers. About 73% of these are seals, 2% are sealing machines, and 2% are filling machines. The auto generator module generates a series of spring geometries covering an index of 4 to 16 that are based on a userdefined solid load and stress. U cup type piston seals have been used in pneumatic cylinders for many years. They are suitable for pressures up to 400 bar 5 800 psi in medium to heavy duty applications and are available in metric size list pdf and inch sizes.
A wide variety of piston cup seals options are available to you, such as standard, nonstandard. Available in nbr or pu as standard seal and out of many other materials as special seal. Because of their design and composition, ctp hydraulic seals offer a better friction and adapt better to high temperatures, prolonging the life of the seal. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. The sealing effect of a u cup symmetric seal is obtained thanks to the lip precompression due to installation and to the pressure effect on the lips. High performance loaded ucup seals the oring store llc. The lip is a straight lip design which gives the loaded ucup good sealability, while it is also excellent at contamination removal away from the sealing lip. The cu u seal can be used in low and high pressure environments. We invite you to download product files in cad, which are included in most of the detailed descriptions, or feel free to contact one of our specialists to help design seals that are optimized for your particular application. Due to their importance in a hydraulic cylinder, rod seals should be mentioned first. May 01, 2015 ulf zetterberg, ceo of seal software the contract discovery and analytics startup that was founded in europe in 2010, before ulf relocated the companys top brass to silicon valley.
Ucup seals or uring seals are commonly used in linear applications to seal the rod or piston. Piston ucup seal, designed for heavy duty hydraulic applications. Custom lip seals can be designed to perform in nonstandard existing grooves. A buffer ring, ucup and a doublelip canned wiper are designed to function in tandem, giving. Buy orings, seals, custom molded rubber, engineered. The asymmetric ucup may be used as the primary seal in tandem rod arrangements, or backtoback in piston applications due to the venting lip design.
Parkers 8400 and 8500 series ucups are symmetrical lip seals for use in either rod or piston sealing applications. H style also acts as a secondary seal doublelip nitrile, urethane an style. Vonext seal offers 2 type of protection, local seal and usb seal local seal will protect your local data there are 2 types of seal for local seal. The seal design and the polyurethane properties give efficient fluid sealing, reduced friction values and low wear rate. Range of hydraulic metric ucup seals for linear applications to seal the rod or piston. Hythane type cu u seals are designed to be used in rod and piston seal applications.
Also, the loaded ucup, like most polyurethane seals, features a fourlobed ring. Design seal online software free download design seal online. Uring block vee ring hydraulic seals and pneumatic seals. The grabcad library offers millions of free cad designs, cad files, and 3d models. The apple rubber seal design guide was first published in.
Our helical spring software is used to design round wire helical compression springs. For groove dimensions please reference the loaded ucup section. These seals provide good resistance to hydrolysis attack from moisture and good low. Ctp ucup seals the ucup seals are made of polyurethane, which ensures they have the exact flexibility for a greater efficiency and easy installation. Cat ucup rod seals are designed to replace chevron packing which caterpillar no longer uses. The urethane u cup design provides an excellent heavyduty seal for either piston or rod applications. We also offer an elearning program on sealing technology. A wide variety of u cup seal options are available to you, such as hydraulic, mechanical seal, and pneumatic.
This seal combines the performance of the twin lip design and an antiextrusion ring for high pressure applica tions. Rod and buffer seals maintain sealing contact in sliding motion between the cylinder head and the piston rod. The thin, flexible lip design reacts to low pressure and provides an extremely smooth, steady movement with less break away force required because of the inherent low friction. Urethane ucups work well in both static and dynamic applications. Design seal online software free download design seal. Seals new material for pneumatic seals plant services. It also provides a sufficient preload condition to prevent interference with the cylinder wall due to thermal expansion of the seal at high operating temperatures. Ucup seals loaded lip seals vee packings anchor rubber products hydraulic seals wiper are designed to keep the rod and cylinder clean and free from contaminants and foreign matter. Symmetrical, rod and piston styles are available in a range of sizes. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users.
Ulf zetterberg, ceo of seal software the contract discovery and analytics startup that was founded in europe in 2010, before ulf relocated the companys top brass to silicon valley. Freudenbergnok sealing technologies announces new ptfe u cup design for automotive applications new duo forseal design boosts performance and helps lower emissions. Loaded ucups are named for their u shape and the elastomeric energizer. Seal is helping companies solve problems across a wide range of use cases. Design 610 bpp oring energized ucup per lip seal with beveled lip design 614 sl dual compound dual lip seal 624 us symmetrical ucup seal 627 series description light load ucup with 618 8500 light load ucup with scraper lips 618. Homogenous ucup block vees are nonloaded, single material ucup. Seal software contract discovery and analytics pioneer. Under low pressure the asymmetric u cup exerts low friction upon mating hardware requiring low actuation force.
Ask about our software program which has provided the industry with the most comprehensive engineering tool available to industry today. Stampsealmaker saves my time and money, and generates stamps easily and all components are clear in the stamps. Many different ucup configurations exist to properly seal that demanding application. Typically, u cups are specified for low speed, low pressure.
The cu useal can be used in low and high pressure environments. Ucup is a specialized rod seal design, developed from the standard symmetrical ucup. U cup seal, u cup seal suppliers and manufacturers at. Single lip hydraulic seals and double lip hydraulic seals design for a wide range of temperatures. Buy o rings, seals, custom molded rubber, engineered plastic. Two loaded u cups must be installed for dual direction hydraulic piston applications since the sealing method is single directional. This insures a tight fit in the groove to prevent movement of the seal during cylinder operation. Zseal description the various zseal configurations are designed to accommodate standard groove dimensions with normal manufacturing tolerances.
Freudenbergnok sealing technologies announces new ptfe ucup. As standard seal available in pu with pom backup ring and out of many other materials as special seal. Piston u cup seal, designed for heavy duty hydraulic applications. For groove dimensions please reference the loaded u cup section. Newtonideas live art is a wysiwyg software to create naturallooking design for your decal, tshirt embroidery or other kind of sign vinyl, for boats with our online flash lettering, tshirt, boat sign design software. Convert is an easy to use unit conversion software program that will convert the most popular units of distance, temperature, volume, time, speed, mass power, density, pressure, energy and many others, including the ability to create custom conversions.
The lip is a straight lip design which gives the loaded u cup good sealability, while it is also excellent at contamination removal away from the sealing lip. Buy orings, seals, custom molded rubber, engineered plastic. Upackings are usually made of leather or fabricreinforced rubber. Buy o rings, seals, custom molded rubber, engineered. U cup has an id smaller than the groove for which it is intended. Ucuptype piston seals have been used in pneumatic cylinders for many years.
Special aspects of each type will be discussed separately. The asymmetric u cup may be used as the primary seal in tandem rod arrangements, or backtoback in piston applications due to the venting lip design. U cups and u packings the distinction between u cups and u packings results from the difference in materials used in their fabrication. U packings are usually made of leather or fabricreinforced rubber. Mechanical seal technology and selection seal selection by media technical information. Rod sealing systems for heavy duty applications typically consist of a combination of both seal types, whereas the buffer seal is arranged between the. Featuring high pressure and high shock load capability, this ucup utilizes the same twin lip design found in rtu style. The nonsymmetric styles mpi and mro provide the added benefits of. Precision associates homogeneous rubber ucups are the seal of choice for pneumatic and lowpressure hydraulic applications. Another leakage control method is the use of multiple sealing lips. The seal is most commonly used in pneumatic applications as a rod or piston seal. The homo ucup hu is popular in low pressure applications where a low friction seal would be beneficial. Square zseal the standard zseal has a single lip design.
Z seal description the various z seal configurations are designed to accommodate standard groove dimensions with normal manufacturing tolerances. Seal implementationrelated software kalsi engineering. High performance hydraulic seals easily available online, from orings, backup rings, useals, rod seals, piston seals, wear rings, buffer seals, vee packing, retainer rings, wiper rings, oil seals, cushion seals, pneumatic seals, cylinder seal kits for the fluid power industry. With a large online verity of high performance seals in thousands of sizes. Trelleborg offers a wide range of hydraulic rod seals that provide the ultimate in protection. The lip designed is a straight lip design, so the loaded ucup has good seal ability but also proves to be excellent at contamination removal away from the. Rod ucup seal the 101 series ucup seal is one of system seals most popular designs used in standardduty applications. Join the grabcad community today to gain access and download. Our quality control methods for material and manufacturing processes ensure that all seals leaving our factories are in a condition capable of giving a long and reliable service life. Freudenbergnok sealing technologies announces new ptfe u. Urethane u cups work well in both static and dynamic applications. Hydraulic seal products and free cad downloads system seals.
Stamp seal maker create corporate stamps, business seals. Need a custom product design or custom material formulation to improve performance in a specific application to separate yourself from the competition. Parkers guide to fluid power sealing theory and design. Design support and engineering tools trelleborg sealing solutions. Freudenbergnok sealing technologies announces new ptfe ucup design for automotive applications new duo forseal design boosts performance and helps lower emissions. Analysis fea software our engineers can perform extremely accurate virtual. The design in figure 2 has several special features. Normal seal make other program can still access the file or folder.
The u cup is usually made of homogeneous synthetic rubber. I no longer have to wait for the last dodgy rubber stamp maker. Metric ucups seals symmetrical design martin fluid power. Conventional lip seals, such as the standard ucups are prone to leakage under low pressure because little or no lip loading is inherent in the basic seal design. The ucup is usually made of homogeneous synthetic rubber. Our challenge is to design seals that are able to withstand a wide range of media, diff erent aggregate. Mfp offers a wide range of metric ucup designs and produces them from a broad range of materials.
Seal software founder on quest to provide the ultimate in. Additional features ensure proper function under any operating condition. Seal type shape a, b, c backup ring, d, and f backup ring. They offer more effective low pressure sealing and they seal on both the inside and outside diameters. We source our piston seals through a worldwide network of certified suppliers.
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