We have two categories of seal materials that have a higher operating temperature than HNBR. Plastic Lined Seals™ require dedicated tooling, and cannot be made in tooling designed for elastomer seals. By appropriate material selection, a dual durometer rotary seal can be tailored for specific applications. We offer rotary seals specially designed for applications, including: This product line includes standard and special seal designs of rubber with metal insert construction and non-metal construction rotary shaft lip seals with or without a spring. Our rotary seals are classified as outlined below: The primary functions of rotary shaft seals for most applications are to retain the bearing lubricant and to avoid leakage that may cause environmental issues, and to enhance the performance and life of the bearing by minimizing dirt, dust, product, moisture and water ingress that leads to damage and premature failure of the bearing and other system components. In addition to providing enhanced extrusion resistance, these plastic O-ring backup rings also reduce friction, making it easier for the metal backup ring to follow lateral shaft motion. www.avxseals.com. This product line includes standard, proprietary and patented high-pressure rotary seal designs and materials to overcome one of industry’s most challenging operating conditions of sealing high pressure and dynamic motion of a rotating shaft or bore on rotating equipment. Other material available on inquiry only. Grooved Kalsi Seals are special purpose rotary shaft oil seals. The C-shaped construction permits more economical manufacture compared to dual durometer Kalsi Seals, and permits the use of much softer energizing materials because the rotary seal torque is not carried by the energizer. Due to thermal expansion considerations, the groove width is slightly wider than the width that is currently recommended for Standard Kalsi Seals™. Seals cannot be operated at their upper pressure and speed ratings at the same time. They are usually installed as rotating seals that engage a stationary washpipe, but are also suitable for use with rotating washipes. For technical information, consult our rotary seal literature, e-mail us, or call us directly with your rotary seal questions at 281-240-6500. Kalsi-brand rotary shaft seals are offered for sale under the terms and conditions of the “Offer of Sale” that is included in the current revision of the Kalsi Seals Handbook. 4600 sqm of storage space 7.2 million parts in stock Because filled Kalsi Seals offer increased resistance to compression set and lubricant pressure-induced distortion, they are typically recommended over the older generation Grooved Kalsi Seals. Some applications of our Rotary Shaft Seals that are in successful service include: *Maximum values depend on seal material, seal configuration, media, temperatures, pressures, surface speed, dynamic running surface finish and working environment. Catalog. For moderate pressure applications, the torque and self-generated heat can be minimized while maintaining the necessary extrusion resistance. Dual Durometer™ construction provides lower interfacial contact pressure, torque, and heat, compared to single material Kalsi Seals having similar extrusion resistance. For maximum seal life expectancy, do not operate your seal beyond 75% of any of its operating limits. Purchasing & return rules, compensations; Paid delivery; History of orders; Automotive components / spare parts and rubber products by use. The acronym “BDRP” is based on the ability of the seal to withstand bi-directional rotation and bi-directional pressure. 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