Piston seals export from germany all you need from germany. Piston seals can be designed for, and used with, integrated, or separate, backup rings and guide rings. Manufactured in a variety of high modulus materials, the 273 is easy to install and eliminates the threat of extrusion with higherthannormal clearance gaps, as well as resists shearing when crossing ports. Hallite seals international ltd, oldfield road, hampton, middlesex, tw12 2ht, uk, tel. The hallite 54 double acting piston seal provides the designer with a against the tube wall increasing the sealing force and the effectiveness of the seal. It enables the designer to use larger clearances and, with the integral bearing rings, to restrict the piston length. Please let us know if you agree by clicking on the accept option below. The 201 series piston ucup seal is used in a variety of standardduty applications. Hallite seals international is an iso 9001 accredited manufacturer and provider of hydraulic and pneumatic seals and sealing solutions to the global fluid power industry. Rubber sealing lips bonded to a steel body with energising. It is a seal suited for split piston but can also be used with a single piston, if made in nbr. The hallite pfr is a chamfered, doubleacting piston seal that performs well in both high and lowpressure systems. Hallite is renowned for their commitment to engineering excellence.
Kastas piston seals, rod seals, wipers, guide rings. Hallite metric fluid power catalog free ebook download as pdf file. The hallite 714 doubleacting piston seal is a compact seal for medium to heavyduty applications. It is suitable for difficult operating conditions such as pressure surging, vibration or some misalignment. As standard, it comprises a tough, wear resistant thermoplastic elastomer face, see below for face material options which is preloaded by an o ring. They are internal to the cylinder head and seal against the cylinder bore, preventing fluid from flowing across the cylinder head. Heavyduty stepcut piston seal the 273 series heavyduty stepcut piston seal is an ideal upgrade from traditional cast iron piston rings. Piston seals or piston rings are used in hydraulic cylinders for fluid sealing.
The seal is pressfit into a housing bore with the sealing lip contacting the shaft. Hydraulic seals linear metric version complete catalog ver. Kantseal square sectioned ring for static applications 3. Parker piston seals for hydraulic and pneumatic cylinders and actuators are designed to separate applied pressure between the piston and the rod side during the stroke movement. Hallite produces high performance hydraulic sealing solutions for the worlds fluid power industry. Hallite fluid power seal catalogue2008 free ebook download as pdf file. Rocket seals is a leading seal and oring specialist, supplying sealing products for all industrial applications.
Download catalog pdf hydraulic seals hercules sealing. Manufactured to very tight tolerances and providing bearing solutions for reciprocating, oscillating and slow rotary movement applications, hallite 506 bearing strip is used in many of todays most arduous hydraulic applications around the world. This website uses cookies to give you the best online experience. The assembly comprises a seal and two l shaped bearings. We also offer a oneofakind custom seal configurator. Choosing the right rod seal for your hydraulic application an informative 35minute voice recording immediately available ondemand. This seal is primarily designed for linear applications but has been successfully used as a. A robust assembly designed specifically for one piece pistons, the hallite 53 double acting seal uses a rubber sealing element which. We operate worldwide with a number of major international companies renowned for their commitment to engineering excellence.
Piston seals, both single and doubleacting, can be designed for and used with integrated or separate backup rings and guide rings. They are designed to seal the cylinder bore and gland completely, thus preventing fluid from leaking out of the system. Manufactured in a variety of materials and sizes from 6 mm up to 2100 mm in standard or custom diameters. Their advanced level of sealing technology is the result of many years of development and field experience gained in the various sectors of mechanical. There are split l shaped antiextrusion bearings made from polyacetal resin on both sides of the seal. Due to its typical piston sealing design and having a shorter external lip it allows pressure to act into the groove ensuring maximum lip contact with the bore, in pressurized conditions. Hydraulic seals and pneumatic seals selection guide. Piston seals or piston rings ensure fluid or other media does not bypass the piston as the system pressure pushes the piston down the cylinder during a pressure cycle piston seals are dynamic seals, typically singleacting pressure acting on one side only and doubleacting pressure acting on both sides seals.
Piston seals maintain sealing contact between the piston and the cylinder bore. Search, select and download high quality 3d cad models direct from the website and all for free. Its asymmetrical design ensures that the seal lip forces are optimized for every cross section and diameter. Catalog eps 5370usa piston seal bp profile bp crosssection bp installed in piston gland bp profile, premium tpu cap seal parkers bp profile is a squeeze type, bidirectional piston seal for use in medium to heavy duty hydraulic applications. The housing width allows a narrow width piston to be. Mar 24, 2019 hallite 506 pdf hallite bearing strip is manufactured to extremely accurate thickness tolerances, ensuring reliable cylinder alignment. Hallite 506 pdf hallite bearing strip is manufactured to extremely accurate thickness tolerances, ensuring reliable cylinder alignment. The hallite 735 is a compact double acting piston seal designed for one piece pistons and is suitable for low to high pressure, medium to heavy duty applications. Hallite 506 provides an extremely effective, hard wearing and easy to use bearing material. Hallite is a manufacturer and supplier of standard and custom orings in a variety of materials.
Hydraulic seals linear inch version complete catalog 8. Piston seals are typically classified into singleacting pressure acting on one side only and doubleacting pressure acting on both sides seals. It is constructed with a tough wear resistant thermoplastic polyester elastomer tpe face, which is loaded by a profiled nitrile energiser. Hydraulic seals hercules sealing products cylinder repair. It comprises a rubber seal, two split support rings and two split bearings, located either side of the seal. Hydraulic seals hercules sealing products cylinder. For pricebreaks, please login to your online account. Hunger hydraulic seals you have choosen one of the best genuine german brands. Hydraulic seals hercules sealing products has the largest selection of seals in the industry, with repair parts for over 150 equipment brands such as caterpillar, john deere, komatsu, case, volvo and many more. The reason is that a very high pressure can be trapped between the seals.
Hydraulic piston seals, piston rings for hydraulic cylinders. Hydraulic and pneumatic seals hydraulic and pneumatic seals. Material options can be provided for the sealing face, including lubricated polyester and ptfe. Buy hallite seal kit from a2z seals with minimum order quantity 1 set. Materials used on these asymmetrical rod seals vary from ethylene propylene epm, epdm, epr. And one of the best distributors to ship to your country. Kastas piston seals, rod seals, wipers, guide rings, static. M barnwell services hydraulic and pneumatic seals are known for their longevity and durability and are used by many wellknown oems in food, construction, pharmaceutical, plant, pneumatic and hydraulic applications we offer seals in metric and imperial sizes and in a variety of. Work out which hallite materials best suit your specific system and operating environment download centre. Piston seals are popularly used for closing gaps or sealing off joints in hydraulic or pneumatic cylinders. This allows pressure build up on one side of the piston, making the cylinder extend or retract. In doubleacting telescopic cylinders or phasing cylinders, the seal s reinforced, heatstabilized, thermoplastic sealing face with stepcut joint is an ideal choice because it allows the seal to pass over ports without damage. This seal is available in a variety of hallites highperformance armorlene materials to suit a wide range of demanding applications. Hallite seals americas inc, 50777 varsity court, wixom, mi 48393, usa.
Hallite offers a wide range of piston seals that provide the ultimate in leakage control. Hallite 735 compact double acting piston seal the hallite 735 is a compact double acting piston seal designed for one piece pistons and is suitable for low to high pressure, medium to heavy duty applications. Proven grooved ring combinations or mechanical seals are available. Hunger wipers hunger rod seals hunger piston seals hunger rotating seals hunger veepacks hunger static seals hunger guide rings other hunger seals. A robust seal assembly designed specifically for one piece pistons, the hallite 68 double acting seal uses a rubber sealing element.
The nitrile rubber seal has proved itself to be extremely wear resistant in. There are split l shaped antiextrusion bearings made from. Piston seal is one of the hydraulic seals standard and. Hallite 714 doubleacting piston seal hallite s 714 is a highpressure, compact, doubleacting piston seal for medium to heavyduty applications. There are also dozens of designs of hydraulic seals for linear, sliding motion, including rod and piston seals, which have been developed over a period of several decades. Its compact dimensions enable the designer to keep the length of the piston to a minimum. Manufactured in hythane 181 hallites 601 is engineered to effect a good seal in most industrial cylinder applications. Piston seals design the hallite 58 double acting piston seal combines the hallite 56 seal with bearing rings to give a very robust heavy duty seal assembly for split pistons. The design of the seal incorporates a unique profiled nbr energiser to ensure complete lip actuation under all pressure conditions and to cushion the seal against shock loadings. Non symmetrical ucup designs for linear piston applications come in a variety of shapes and materials. Hallite fluid power seal catalogue2008 piston engineering. Hunger dfe can supply you with the right rod seal for every cylinder. In doubleacting telescopic cylinders or phasing cylinders, the seals reinforced, heatstabilized, thermoplastic sealing face with stepcut joint is an ideal choice because it allows the seal to pass over ports without damage.
Piston seal now available in metric sizes sciencedirect. Pdf fundamentals of sealing and tribology of hydraulic. Hallite introduces newly designed 714 doubleacting piston seal. M barnwell services hydraulic and pneumatic seals are known for their longevity and durability and are used by many wellknown oems in food, construction, pharmaceutical, plant, pneumatic and hydraulic applications. Pfr double acting piston seals, ptfe portfolio hallite. Product catalogs on hydraulic seals, rotary shaft seals. Single action piston seals ast ast advanced sealing. Installation of pneumatic and hydraulic piston seals.
As system pressure in a hydraulic cylinder pushes the piston down the cylinder bore, piston seals and piston rings ensure that pressurized fluid does not leak. Common sealing orientation and directions for hydraulic seals and pneumatic seals include internal or rod seal, external or piston seal, symmetric seal, and axial seal. Hallite metric fluid power catalog polyester polyurethane scribd. Valuable resource for engineers wanting to find out more about specific operating conditions fluid compatibility. They are available as singleacting and double acting seals in a wide range of compound and profile configurations to meet diverse applications. Single lip ucups, twin lip ucups, rod seals with or without antiextrusion rings, mfp has the profile and material selection needed. You can also choose from manufacturing plant, building material shops, and farms hallite seal, as well as from 1 year, 1. These parts include hydraulic seals, cylinder repair seal kits, replacement cylinders, cylinder repair parts. In addition to our extensive range of catalogue products, hallite service, our quick turnaround custom machined seals department, has the ability to produce. Manufactured in hythane 181 hallite s 601 is engineered to effect a good seal in most industrial cylinder applications. Unit 4, 1273 the horsley drive wetherill park, nsw 2164 t.
Seal and design is proud to be a full line distributor of hallite seals, browse our offerings of hallite piston seals, hallite pneumatic seals, hallite swivel seals, hallite wipers, hallite rod seals, and much more. The latest hallite 714 replaces the companys legacy 714 series. Hydraulic seals parker hannifin prdifa technology diision precision seals for hydraulics elastomer seals are functionally reliable components of fluid engi neering equipment and systems. Hallite introduces newly designed 714 doubleacting piston. Hallites 720 unitized piston breathes life into heavyduty cylinder applications.
The seal is available in a range of sizes including those specified by iso 74251 for piston seals. They operate in all five continents of the world and work with a number of major international brands. V ia umbria, 33 57017 stagno collesalvetti livorno italia. Hallite seals international are an iso 9001 accredited manufacturer and provider of hydraulic seals and sealing solutions to the global fluid power industry. Hallite 869 wiper seal the hallite 869 doublelipped, metalcased wiper is designed to press fit into open groove housings of popular asian housing sizes. The assembly comprises a wearresistant polyurethane slip ring which is loaded by an nbr ring.
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