Hydraulic Seals by Rubrings Company At Rubrings Company, we manufacture high-quality hydraulic seals designed to prevent fluid leakage and block contaminants in demanding hydraulic applications such as cylinders. Our hydraulic seals are engineered for high-pressure, dynamic environments and are critical components in ensuring the smooth and efficient operation of machinery across various industries. Whether used in reciprocating or rotary motion, our seals deliver dependable performance, enhancing the longevity and reliability of hydraulic systems. Trusted by industrial clients across India and abroad, Rubrings hydraulic seals are built to meet the toughest operational challenges.
Rubrings Company offers a comprehensive range of hydraulic seals engineered to meet the performance demands of various industrial applications. Our product lineup includes: Rod seals, piston seals, symmetrical seals, V-rings, wipers, rotary shaft seals, wear rings, static seals, back-up rings, O-rings, buffer rings, U-cups, oil & grease seals, cast iron piston rings, and gaskets. Hydraulic seals from Rubrings can be either single-acting, designed to seal pressure in one axial direction, or double-acting, suitable for sealing in both directions in reciprocating motion applications. To ensure durability and compatibility across different environments, we manufacture our seals using a wide range of high-performance materials such as: Nitrile (NBR) Polyurethane (PU) FPM/Fluorocarbon (Viton®) Silicone PTFE (Teflon®) and its composites (bronze-filled, nickel-filled, glass-filled) POM (Polyacetal) EPDM Nylon Fabric-reinforced rubber Molded leather (for specific legacy applications) At Rubrings Company, we ensure each seal is crafted for optimal sealing efficiency, chemical resistance, and long service life—making them a trusted choice across industries such as manufacturing, automotive, energy, and heavy equipment.
Rod Seals are the most critical seals in a hydraulic cylinder. Rod Seals are radial internal seals. Rod Seals are press-fit into a housing bore with the sealing lip contacting the shaft. Rod Seals are also referred to as shaft seals sometimes. Rod Seal failure could result in fluid leakage. Special care should be shown in selecting the best Rod Seal for your sealing application. Rod Seals act as a dynamic seal along its inner diameter and static along its outer diameter. Rod Seals are affected by changes to the rod surface and fluid temperatures. Rod Seals often see the highest pressure variation. Rod Seals are often the decisive factor in the function of a hydraulic cylinder.
A wiper, also known as a rod wiper, dust seal, excluder or scraper, is a ring in a cylinder that is used to wipe or scrape dirt from the rod or shaft. A wiper helps prevent dirt particles from entering the hydraulic system. A rod wipers main function is to keep the rod and cylinder clean and free from foreign matter preventing premature failure. The wiper is not a pressure sealing element. Wipers most commonly snap into a groove. Some other wipers are made to press into a groove, such as a metal clad wiper. A wiper seal can be made and can function as a wiper and a rod seal all in one groove where space is an issue.
Piston Seals are radial seals. Piston Seals are external seals. Piston Seals fit onto shafts with the sealing lip contacting the housing bore. Piston seals may also be known as Piston Packing. Piston Seals are mounted on a piston head which moves thru the bore of a hydraulic cylinder. Piston Seals can either be single acting or double acting seals. Piston Seals are usually used in conjunction with bearings and guide rings. Piston Seals are typically made of polyurethane but some piston seals can be made of fabric reinforced rubber.
