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The Hallite 780 double-acting piston seal in a robust five part assembly is designed specifically for one piece pistons in a wide range of medium duty applications. The seal is also suitable for two piece pistons.The Hallite 780 is comprised of a nitrile rubber sealing element, two split support rings, and two split L-shaped bearings located either side of the seal. The wellproven nitrile rubber sealing element is designed to be extremely wear resistant with multi-lips for efficient dynamic sealing with minimal low pressure friction and, when pressurized, will be protected from extrusion damage by the extending lips of the support rings.The support ring is manufactured from a tough, flexible, wear resistant thermoplastic polyester elastomer (TPE) and scarf cut for assembly.Both the L-shaped bearings and support rings are grooved to ensure that the fluid pressure properly energises the sealing element and to prevent the possibility of any pressure trapping within the seal assembly

These hydraulic rod/piston seals are of an unloaded U-cup, single-lip design. They are made of premium ECOPUR thermoplastic polyurethane, which improves long-term sealing performance. The optimized seal geometry provides excellent performance and a long service life

Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. HMSA10 seals are designed with a rubber outside diameter. They have a conventional sealing lip made of elastomer. A garter spring in the seal and a non-contacting auxiliary lip optimize the sealing against the shaft also in polluted environment.

NOK piston/rod dual-purpose packing used to seal general petroleum-based hydraulic oil. With a small cross-section design, it can be installed in the integrated groove. Measures are taken to prevent damage due to back pressure.

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Made of NOK, it is a seal to prevent dust from entering from the outside to protect the equipment and maintain the packing function. It can be attached to a double-lip dust seal for the purpose of preventing oil from scratching out, and an integrated groove.

DESIGNThe Hallite 511 is a standard profile loaded U-cup with precision trimmed sealing lips manufactured in either a polyurethane or polyester shell energised by a high quality O-ring and designed for common North American square grooves. At zero or low pressure, the O-ring helps to increase the sealing force preventing any bypass. Under most conditions as the pressure rises, the sealing force increases and the O-ring ensures complete lip actuation.The symmetry of the Hallite 511 makes it ideally suited for single-acting rod and piston applications and its flexibility enables easy installation. The 511 can also be fitted back-to-back for use in double-acting applications. Although the Hallite 511 can be used as a rod seal, other Hallite non-square rod seals are more suitable options, such as the Hallite 513, 605, or 621.

DESIGNThe Hallite 610 is an asymmetric, solid twin lip rod seal designed to provide a dry sealing solution in light and medium-duty applications and manufactured in Hythane® 181, Hallite’s high-performance polyurethane, for easy installation and excellent low temperature performance. The secondary sealing lip located behind the primary sealing lip improves stability of the seal in the gland. It is designed for small groove section housing and to be less sensitive to pressure fluctuations than the Hallite 605 twin lip U-ring.

DesignA medium to heavy duty single acting seal, the Hallite 18 has shown itself over many years to be an effective and robustseal in a wide variety of applications.The seal comprises a rubberised fabric U form base to which is bonded a rubber energiser.The seal section is pre-loaded by the housing when installed to ensure effective sealing at low pressure. When thepressure increases the rubber energises the U form to increase the sealing area and hence the efficiency of the seal. Thestrength and durability of the rubberised fabric combines with its ability to retain lubricant keeping friction and wear to aminimum.In a piston application the Hallite 18 should not be used back to back to make a double acting assembly.The range should be fitted to split housings as shown, but sizes marked* can be fitted to a grooved gland housing, ifassembled with care.NB: Size lists give "on line" tolerances for rod applications.

DESIGNThe Hallite 506 bearing strip is designed to provide an extremely effective, hard wearing, and easy-to-use bearing solution for reciprocating, oscillating, and slow rotary movement applications. Manufactured to very tight tolerances, the Hallite 506 is capable of withstanding extreme side loads and preventing metal-to-metal contact between the piston and the bore or the rod and the gland. The Hallite 506 has become the industry standard favoured by designers and specifiers alike in many of today’s most arduous hydraulic applications around the world.The Hallite 506 is available in three forms: cut bearing rings, spiral lengths, and flat coils. Spiral lengths and flat coils are recommended to customers who want to cut their own custom sizes. Spiral lengths are recommended to distributors or customers who may need to fit a wide range of application sizes in a particular cross section. The Hallite 506 bearing strip is manufactured by a patented process, using a woven fabric reinforced polyester resin material, and is proven to be compatible with a wide range of fluids including: mineral oils, water-based fluids, and phosphate esters. The construction of the bearing strip incorporates micro-indentations on the surface to trap fluid and provide built-in lubrication to the bearing. The rectangular section strip is available in a wide range of inch and metric sizes, including cross sections specified in ISO 10766.

TC oil seals also known as Double Lip Oil Seals, have two sealing lips. The primary lip prevents the leakage of lubricants, while the secondary lip keeps dirt and other contaminants out of the system. This makes TC oil seals ideal for applications where contamination is a concern. They are often used in automotive applications, such as wheel bearings and transmissions.