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The Hercules Fluid Power Group (HFPG) offers superior quality sealing solutions, fluid power products, and value-added services to a variety of markets.  Aftermarket and repair part support is provided by Hercules, and HKX.   Industrial OEM ("Original Equipment Manufacturer") support is provided through RT Dygert, All Seals, J Royal, and High-Performance Seals.  For more details about the group businesses, please reference the following web sites.

Aftermarket Businesses
Hercules Sealing Products is an aftermarket distributor based in Clearwater, Florida providing next day delivery service throughout the US for seals and seal kits used in the repair of hydraulic cylinders. OEM quality replacement seal kits are available for a wide range of heavy machinery applications including mobile construction equipment, dump/refuse, material handling, mining and industrial applications. Hercules supplies a range of replacement hydraulic cylinders and cylinder repair parts. On site custom machining capabilities provide fast turnaround for all of your custom sealing requirements. The US business services the Central and South American markets along with other selected markets through sub-distributors. Hercules Sealing Products - Canada is an industry-leading supplier of hydraulic/pneumatic seals, seal kits and related products, with two fully stocked facilities in Canada located in Barrie, ON and Dorval, QC.  Our extensive product line includes inch and metric size seals and seal kits, and a broad range of cylinder components, all available for same day shipping.  On site custom machining capabilities provide fast turnaround for all of your custom sealing requirements.  Our products are used in a wide variety of mobile and industrial applications including dump and refuse, construction, material handling, agricultural, mining, logging equipment, and industrial in-plant applications.  OEM quality seal kits are stocked for popular brands of mobile and industrial equipment.
HKX is an aftermarket hydraulic kit supplier based in Seattle, WA providing both standard and custom auxiliary kits for excavators.  HKX works directly with the top six construction equipment manufacturers, their dealers and attachment manufacturers.  Kits are pre-engineered to facilitate quick installs and to accommodate prompt delivery service to the US and Canada as well as services to Mexico, Latin America, Asia, the Middle East, and South Africa.

Industrial OEM Businesses
RT Dygert, with offices in Minneapolis, MN and Chicago, IL, supplies hydraulic and pneumatic seals, o-rings, custom molded, machined elastomeric and thermoplastic parts to a range of Industrial OEM customers, cylinder manufacturers, and sub-distributors. RT Dygert has a strong established presence in the Mid-Western and Northern states in the US. High Performance Seals, located in Auburn, WA, specializes in providing product and expertise for OEM sealing applications where standard items and/or standard industry practices will not meet customer’s specific needs. High Performance Seals provides high quality fluid seals, custom molded, machined elastomeric and thermoplastic parts. All Seals supplies o-rings, custom molded rubber, machined plastics, and custom manufactured parts to Industrial OEM customers across a range of specialized applications in aerospace, medical, water, oil/gas, and general manufacturing industries. Located in Lake Forest, CA, and Houston, TX, All Seals has a strong presence in Californiia, Texas, and the adjacent South Western US states.
J Royal, through facilities in North Carolina, and Alabama in the US along with Shanghai, China, is a global supplier of molded rubber, injection molded plastic, machined metal, stampings, and assemblies. With in-house engineering and manufacturing capabilites, J Royal serves customers in industrial (UL), automotive (PPAP), water and food/beverage (NSF) markets. PSP, located in Centennial, CO, specializes in the design and development of seals, o-rings, custom molded rubber products, machined plastics, and Kalrez® o-rings and seals. With an inventory of standard and custom seal configurations and a wide variety of material compounds, PSP supports general industry customers along with those in many specialty industries including the Chemical Processing, Semiconductor, Pharmaceutical, Food Products, and Oil & Gas industries.