HydraPak offers all the necessary elements for virtually every seal application. High pressure, medium used, extreme temperatures, aggressive chemicals, working environment and legislation standards will all have an impact on the chosen material of seal. A hydraulic sealing product is actually a family of products used to seal reciprocating, oscillating or slow rotational movements caused by hydraulic equipment. As system pressure increases, the -ring is energized and forces the lips outward, changing its behavior from a squeeze type seal, to a traditional leap seal. Imperfect mating parts require some type of sealing device to be inserted between them to seal against loss of liquid, gas or solid fluids or particles. Chesterton’s broad range of high-performance hydraulic seals are made from exclusive polymer materials for use in a wide range of demanding industrial sealing applications. Over four million seals in a variety of case and lip styles. PTFE is the chemically inert of the -ring materials. Wear Rings are guiding elements that snap onto a shaft, both piston and rod, to keep metal from contacting metal that will damage and score the surface of a cylinder. Rod Seals are radial internal seals. Techné presents a compact range of hydraulic seals to fit your requirements : rod, piston seals, wipers, guiding rings and static seals on stock. V-Seals and V-Rings offer all rubber, one-piece construction of resilient seals to protect rotary shafts from dirt water and contaminants and extending bearing and shaft performance. For designs of medium to high pressure, it is recommended that fabric reinforced -rings be utilized. Piston seals are used in both pneumatic and hydraulic seals. The wiper seal needs to fit both the rod (dynamic) and also to the housing (static). Piston seals specifically work by preventing leakage or fluid flow across the piston. HydraPak stocks a substantial selection of hydraulic and pneumatic seals. Daemar’s line up of hydraulic seal products has been developed to provide exceptional value by combining the quality and performance that design engineers require with the total cost of ownership savings that today’s businesses demand. bearing bushing or guide bands serve no sealing function. Shaft seals are tools that help to prevent the contamination of hydraulic shafts. 10. Wear-resistant: Typical hydraulic seals are wear-resistant and thus can be used in mining and extraction of minerals. When pressure is applied, it tends to force the -ring across the groove, causing the ring to further deform and flow up to the fluid passage and seal it against leakage. The U-ring and U-cup seals pressure in only one direction; therefore, the lip of the packings must face toward the pressure. These Parker seals and Parker -rings are offered in a variety of materials and lip geometries for the best possible solution for a given application. Hydraulic Rod seals prevent leakage of fluid from within the cylinder to the outside while hydraulic piston seals prevent fluid from flowing across the cylinder head. Misapplication or use of non-compatible materials can lead to chemical attack by fluid additives, hydrolysis and oxidation reduction of seal elements. They prevent the leakage of fluid from within a hydraulic cylinder to the outside as the rod cycles back and forth (dynamic pressure sealing). Piston Seals or Piston Rings are used in hydraulic cylinders for fluid sealing. Whether you’re looking for standard sizes or need a full set of custom hydraulic seals, we have the ability to provide any shaft seal type with our cutting-edge machining services. WDA Wiper Seals: These double-function seals use the lip to prevent contaminants from building up, yet also have an additional element that prevents scoring on a seal. Careful analysis of your system’s performance over time is important to optimizing performance with hydraulic seals. Dynamic Hydraulic Seals are Rod Seals and Piston Seals. High quality Hydraulic Seals, -Rings, Back-up Rings, U-Seals, Rod Seals, Piston Seals, Wear Rings, Buffer Seals, Vee Packing, Retainer Rings, Wiper Rings, Oil Seals, Cushion Seals, Custom Machined Seals, Pneumatic Seals, Aftermarket Cylinder Seal Kits for the fluid power industry.
Fluorocarbon FKM & Viton® -Rings: Chemical resistant Fluorocarbon FKM -Rings exhibit exceptional resistance to chemicals, oils, temperature extremes, low compression set, low gas permeability and excellent aging characteristics. The specific applications of hydraulic seals are as diverse and numerous as they industries they are found in. Hydraulic seals can be found in construction equipment, agricultural machinery, brake devices, clean rooms, conveyors, mixers, presses, valves, and test equipment. Hydraulic seals are most often found in hydraulic cylinders, the mechanical actuators that convert hydraulic pressure (from oil, water, or another pressurized fluid) into unidirectional force for agriculture and forestry vehicles, construction equipment, and similar mechanisms. If the correct elastomer material is not chosen, the seal will break down when it encounters a corrosive fluid and contamination will occur. Gaskets are used in fluid systems around the end caps of actuating cylinders, valves, and other units. Wiper seal for hydraulic cylinder also known as scraper seals is fitted on the head of the cylinder at the external side and provide a sealing contact to the piston rod. The T-seal comes in both piston (TPO) and rod (TRO) styles. DEPAC’s unique polymer material prevents installation damage thanks to its high elasticity and wear-resistance. UTI with asymmetrical profile of the sealing lips and back-up ring as a gap sealing component. The profile has been designed with a shallow groove to ensure tight contact between the static and dynamic part, even in zero pressure situations. Hydraulic seals are divided into two main groupings: static and dynamic. Buffer seals enhance the function of the rod seal by providing a buffer” against excessive internal fluid pressure. Similarly, in the electronic industry, seals such as EMI shielding gaskets serve to prevent unwanted electromagnetic interference in various devices. Rod Seals often see the highest pressure variation. We can also custom-manufacture a full range of seals, in a full range of materials to meet your exact requirements. Advances in more environmentally friendly hydraulic fluid is causing material compatibility issues with traditional cylinder seal materials. Common end use applications are industrial seals, Air Guns, Paintball Markers, pneumatic applications, and other high dynamic applications. Precision and repeatability over months or years of operation should be a factor in deciding what hydraulic seals to select for your project. Wear rings can be found at both the rod and piston locations within a hydraulic cylinder. General applications include cylinders, forming machines, hydraulic presses, and movable cylinders. And, most of the new seals outperform the previous products. Available in plastic, rubber and PTFE delivers the highest performance in a wide variety of rod seal applications. We offer a wide range of hydraulic seals produced by Italian GUARNITEC. New advances in hydrolysis resistant urethanes assist in solving one of the most common hydraulic sealing application problems. Seals play a critical role in the function of hydraulic systems. Guide rings are designed to prevent two dynamic surfaces within a hydraulic system from rubbing together. HydraPak’s cutting edge vulcanizing technology produces high quality seals with large diameter capabilities for your demanding applications. KAF’s computer-designed positive lip wipes foreign bodies away from the seal face. Rod seals are considered the most critical element of a cylinder sealing system. There are many types of hydraulic seals out there and they come in a variety of shapes and sizes. Rod seals specifically work by preventing external fluid leakage from the cylinder. Each ring is individually manufactured and provides excellent performance, as a supporting element, to both piston, rod and face seals that are generally found in static or dynamic applications. The following are the applications of hydraulic seals in various industries. A wiper seal can be installed to prevent seal failure and system breakdown.
Without sealing devices, hydraulic systems would completely fail and cause the machinery they power to become unusable. In addition to our extensive range of stocked products, we offer custom designed sealing solutions and machined seals. A hydraulic seal can achieve far more consistent results, last longer than a precision-machined system without seals, and can easily and inexpensively be replaced should it fail. There are many benefits to choosing Hydraulic Seals over Pneumatic seals. Rod seals are used in hydraulic cylinders for fluid sealing. A wide range of groove configurations and sealing profiles allow Gallagher engineers to match your hydraulic sealing application to the optimal sealing system. And because our seals come in many different materials, dimensions and sizes (ranging from 4 mm to 1000 mm), we make hydraulic cylinder repair easy. WHYPS is a professional website specializing in hydraulic news including products, events, education, careers and fluid power industry. Custom manufacturer of seals including oil, grease, rotary shaft, hydraulic, pneumatic, lip. Bonded seals are used when working with systems that can operate under high pressure. It creates a barrier for dynamic pressure between the piston and the cylinder, preventing fluid from passing the piston and allowing the cylinder to extend and retract. UBE is designed for use as a single acting piston seal. We deliver high quality products every day, including rings, metric seals, pneumatic seals, Teflon seals, and a whole lot more. In addition to normal wear and aging, this seal is directly affected by changes on the rod surface. Nitrile (also known as Buna N) seals are widely used in hydraulic industry because of excellent resistance to oil, a good practical range of working temperatures (-40 degrees C to as high as 135 degrees C), and low cost. We manufacture Hydraulic Cylinder Seals which are developed by quality products obtained by branded vendors. Wiper Seals (also called Scraper Seals) generally are used together with other sealing components. Rod Seals act as a dynamic seal along its inner diameter and static along its outer diameter. In addition to containing hydraulic fluid within the cylinder, rod seals help regulate lubrication fluid for the rod, the wiper seal, and the rod seal itself. Sealing Devices offers many types of seals from -rings that seal water, aircraft fuels and many media on pumps, electronic devices, compressors, transportation vehicles, food processing equipment and medical devices to complex EMI shielding gaskets that block electromagnetic interference in electronic enclosures and devices. Rod Seals are exposed to the motion on their inner diameter along the rod or shaft of a hydraulic cylinder. Dynamic rod seals function in the gap between the piston rod and the cylinder head while static rod seals close gaps between the cylinder head and the cylinder bore. Rod Seals are press-fit into a housing bore with the sealing lip contacting the shaft. There are several other common types of hydraulic seals usually found in hydraulic cylinders. They are also used to help retain fluid pressure in hydraulic systems. Many piston seals are single-acting piston seals, meaning that they concentrate pressure on only one side of a piston. SEALTECH offers you a large choice of seals for any application. Guide rings also known as bearing rings, stop metal-to-metal contact between two dynamic cylinder components. Most seals are made from synthetic materials that are compatible with the hydraulic fluid used. This manual will include essential procedures to properly install hydraulic seals. The symmetric seals are located in the gland with direct contact to the seal lips. UK Seals offer a range of seals especially suited to pneumatic applications. Special high-reliability, machined metal seals for critical sealing service in aircraft engine, aerospace, semiconductor and nuclear applications. They are commonly used to make -rings that are used in applications that involve contact with hydrocarbons or highly corrosive fluids, or when a wide range of temperatures is encountered.
Hydraulic seals are crucial in machinery equipment. SSP Seals’ stocks a wide range of hydraulic and pneumatic seals to meet the various needs of industrial applications in terms of design, manufacturing, and application performance. These seals create a tight fit by allowing the passage of reciprocating ramrod through the inner bore of the seal. Bill of Material – A list of all materials needed to manufacture a certain product. For use as an anti-extrusion device in dynamic -ring applications where there is high pressure or excessive gland clearance. Typically called out as “cast” urethane -rings, these parts perform well in quick disconnects, high pressure hydraulic and water applications and in nail or riveting equipment. Wipers work in conjunction with rod seals to protect a system and keeping it free from dirt, mud, water, and other contaminants. This seal design is offered as a rod or piston seal and provides outstanding performance in both hydraulic and pneumatic applications. Snap-in wiper designed to scrape outside contaminants off cylinder rods in medium to heavy-duty hydraulic cylinders. Chesterton” 9K anti-extrusion rings, often referred to as back-up rings, are designed to prevent seals or -rings from extruding into equipment clearances while under pres- sure. To do so would require a combination highly precise machining, unusual materials, low stress on components, and specific fluids—and even then, such a system would fail relatively quickly. Dynamic Seals – Dynamic seals are used when axial or radial movement is required under pressure. These -rings are now standard for systems where the operating temperatures may vary from -65 °F to +275 °F. Contact GBSA today to discuss hydraulic wipers specific to your application. Loaded Lip Seals are very versatile and can be used as rod seals or piston seals. We enjoy the challenge of providing solutions to the most difficult seal applications. Than the inner lip in order to be used for piston applications. KAF’s unique polymer material features high wear resistance and elasticity, thus preventing the damage that commonly occurs during installation. In hydraulic applications, each of the pneumatic seals plays a critical role in keeping the system running efficiently. Lip Seals are for use in rotary applications up to 150 psi in corrosive and abrasive environments. Adjustable packing used in telescoping cylinders and many types of older hydraulic equipment. Within the aerospace industry, custom seals such as silicone sealant strips serve to seal various hydraulic components within aircraft systems. Back-up rings are not seals themselves. Double-acting piston seals are able to concentrate pressure on both sides of a piston, thus driving the ram that the piston is typically attached to. In contrast to the dynamic types of piston seals just described, static piston seals seal the gap between the piston and the piston rod (rather than the piston and the cylinder bore). The hydraulic environment is very extremely tough on seals which must withstand enormous amounts of pressure as well as extreme temperatures and often unbalanced forces and extreme forces inside a cylinder. Various types of seals are used in applications that have constantly moving equipment, such as the rotating or reciprocating shafts and cylinders that are an essential part of hydraulic and pneumatic systems. One basic hydraulic cylinder system may make use of hydraulic cylinder seals , lip seals , hydraulic piston seals, wear rings, scrapers, and more to function effectively. If you have plans for upgrades or expansion of operations in the future, this may impact the best solution for hydraulic seals today. Parker offers a complete range of both activated and non-activated PTFE piston seals and rings for hydraulic and pneumatic applications. Piston seals may also be known as Piston Packing. ISO 9001:2015 manufacturer & designer of mechanical seals, hydraulic seals & pneumatic seals. The seal is designed with initial radial interference to effect low pressure sealing. Piston seals are used to prevent pressurized fluid from leaking across the cylinder head while system pressure pushes the piston down the cylinder bore.
The important functions of hydraulic seals includes preventing leakage, protecting the system from contamination and thus improving the life span of hydraulic systems. The softest -rings are 50 and 60 shore A and stretch more easily, exhibit lower breakout friction, seal better on rough surfaces, and need less clamping pressure than harder rings, For a given squeeze, the higher the durometer hardness of a ring, the greater is the associated friction. Multiple sealing lips. Available as single-acting and double-acting types, these seals can also be used with guide rings and back-up rings. Sealants, Seals, Gaskets and -rings are compulsories item for hydraulic components and systems. A rod wipers main function is to keep the rod and cylinder clean and free from foreign matter preventing premature failure. Also known as scraper seals, they are often used together with other sealing components to let a ram rod pass through the inner bore of a seal, while preventing leakage. And while we don’t perform cylinder repair, we do supply the seals necessary to replace your parts. Piston seals separate applied pressures between the piston and rod side during stroke movement and during the interim and final position. Wide range of materials available. The sealing force compensates for high-pressure to maintain a positive seal. Click here to view all types of Reciprocating Seals , specifically Hydraulic Seals or get in touch with an FTL engineer today using our live chat. Polyurethane has a high load-bearing capacity and because of this characteristic not only is it an ideal material for hydraulic seals but also for load wheels , heavy duty couplings, metal-forming pads, shock pads, expansion joints and machine mounts. Specifically, they seal the pressures during the stroke phase of the application. Mechanical, hydraulic & pneumatic seals feature multiple seal points, multi-lobed design, square cross sections & grooves on inside & outside dia. Piston Seals guarantee liquid or other media do not pass round the piston due to the system pressure pushing the piston down the cylinder amid a stress course. Rod wipers are used to clear dirt, debris and other contaminants from the rod so that the primary rod-sealing elements are protected. Rod Seals:These are used to prevent the leakage of lubricants from the cylinder. The Rod Seal is often the decisive factor for the function of the hydraulic cylinder in its entirety. Super Chemically Resistant Viton® ETP -Rings – Extreme Chemical Resistant Fluorocarbon provides significantly improved chemical resistance compared to standard FKM A type fluoroelastomers. Custom manufacturer of rubber, plastic & elastomer seals including hydraulic & pneumatic seals. Hydraulic fluid leakage continues to evolve as an important regulatory issue. The positive rake, lip profile provides an optimal amount of radial sealing load with minimal frictional resistance. It must ensure safe and leakage-free sealing under all system conditions, and at the same time it should produce as little friction as possible. Rod seals are vital to maintaining an efficient hydraulic system, as they are responsible for both preventing fluid leakage from within a hydraulic cylinder and protecting it against dirt and other exterior contaminates. The seal is obtained by means of the flared, flexible lips coming in contact with the rod or cylinder wall. Excluders – Used in a hydraulic or pneumatic cylinder to exclude or scrape the rod clean. Hydraulic seals are vital in machinery. Hoses, gaskets, -rings, tubing, seals and molded and extruded parts can be fabricated. Sealing Devices also provides molded rubber seals, extrusions, lathe-cuts, gaskets, packing, Teflon seals, mechanical seals, graphite, cloth, metal seals, -rings and metal rings, and a complete line of oil seals. Performance Sealing Inc (PSI) designs and manufactures a full line of high pressure hydraulic seal solutions. Piston and rod seals for medium to heavy-duty hydraulic cylinders. Mechanical seals prohibit fluid leakage around the rotating shaft in a state of extreme pressure, temperature and shaft speed.