O-rings and other profile rings

Profile rings are special sealing elements that can have different cross-sections, such as circular (as in the case of O-rings), U-shaped, V-shaped, or other unique profiles.

In various industrial applications, such as hydraulic and pneumatic systems, profile rings, including O-rings, provide effective sealing. The material of profile rings can vary, but they are often made of rubber, silicone, polyurethane, or fluoropolymers, which provide excellent resistance to temperature fluctuations, chemicals, and abrasion. The design of profile rings allows them to provide reliable sealing under various pressure and temperature conditions.

O-rings

The O-ring is a simple yet highly effective static sealing device, widely used in various industrial and engineering applications. Specifically, this circular ring, made of flexible rubber or synthetic material, perfectly seals connection points to prevent leakage of liquids, gases, or dust. Moreover, offering several advantages, O-rings provide excellent wear resistance, chemical resistance, and the ability to function over a wide temperature range. Therefore, selecting the right material is crucial to meet the specific requirements of any application.

Furthermore, these rings address a wide range of technical challenges and are indispensable in various industries for sealing and insulation purposes. Consequently, choosing the appropriate material and size for the specific application ensures reliable and efficient operation.

KTT Sealing Technologies offers NBR, FKM (FPM, Viton), silicone (MVQ, VMQ), EPDM, PTFE o-rings with different coatings (FEP coating, PTFE, peroxide, Molycote) and food industry (FDA) certification.

Main features of O-rings

Flexibility: These rings easily adapt to mating surfaces, ensuring a secure seal even under changing environmental conditions.
Wide range of raterials: Available in nitrile (NBR), fluoro rubber (FKM), silicone (MVQ), and EPDM, each offering various temperature and chemical resistance properties.
Easy installation: The simple shape and flexibility make installation and maintenance easy, reducing operational costs.

Application area of O-Rings

Various industries widely use O-rings as sealing elements to solve multiple sealing and insulating tasks. These rings have an oval shape and typically consist of NBR, HNBR, EPDM rubber, neoprene (CR), fluoro-rubber (FKM, FPM, Viton), silicone (MVQ, VMQ), PTFE, or other rubber-based materials. Below are some applications of O-rings.

Hydraulic and pneumatic: These systems typically use O-rings to help eliminate fluid or gas leaks at connections, contributing to system efficiency and reliability.
Automotive and mechanical industry: O-rings play a crucial role in engines, gearboxes, and other components, where they seal oil and other fluids, thereby increasing the efficiency of vehicles.
Food industry: O-rings are used in applications where sealing and hygiene are critical. Specifically, they are used for handling compressed air and gases, and in food processing machinery. In addition, the FDA mark on the product name indicates compliance with Food and Drug Administration regulations, ensuring that these products are suitable for use in the food industry.
Electronics: These sealing elements help prevent dust, water, and other dirt from getting around electronic components.
Oil and gas industry: O-rings play an important role in the oil and gas industry during drilling and transportation processes, where they prevent oil and gas leaks at pipe connections and valves.

Our range of O-rings

Take a look around our webshop!

Products, webshop: O-ring, NBR — O-ring, NBR

Products, webshop: O-ring, FKM (FPM, Viton) — O-ring, NBR

Other profile rings, flat gaskets, other rubber products

Profile rings (e.g. X-rings, V-rings) are specially designed rings with a unique cross-section that meet specific sealing requirements. Profile rings, flat gaskets and other rubber products are widely used sealing solutions for various industrial and technical applications. Each product has a unique design and function to ensure effective sealing under various operating conditions.

Examples of profile ring types

X-rings: Seals with a four-lobed cross-section that provide excellent resistance between rotating and moving components while reducing friction and wear.

V-rings With their V-shaped profile, they offer flexible sealing, especially for shafts, preventing dust and contaminants from entering critical components.