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AS568-456 (0.236" W X 13.524"ID X 0.117"HT) A backup ring, or anti extrision device, is used in both static and dynamic O-Ring sealing applications. These Buna- N 90 durometer backup rings feature one dished face, allowing an ideal contoured and uniform contact with the O-Ring, and a flat surface for facing the extrusion gap. The Buna-N backup ring material, unlike teflon, still allows slight material elasticity during installation. Buna-N 90 Durometer Material Information: Nitrile is also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It is the most commonly used elastomer for sealing products. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and...

13-1/2" ID X 14" OD X 1/4" CS Buna-N O-Rings 50 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils and lubricants and in water applications. It is not recommended for use with ketones, aromatic hydrocarbons and phosphate ester hydraulic fluids. More than 50% of the Orings sold are Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders,...

13 1/2"ID X 14"OD X 1/4"CS Buna-N O-Rings 70 Duro (NBR): The most commonly used elastomer for sealing products. Nitrile, also known as Buna-N or NBR, is a copolymer of Butadiene and Acrylonitirle. It has a temperature range of -40F to +250F and is exceptionally resistant to petroleum base oils and hydrocarbon fuels. Nitrile materials also exhibit excellent tensile strength and abrasion resistance properties. The material performs well with most dilute acids, silicone oils and lubricants and in water applications. It is not recommended for use with ketones, aromatic hydrocarbons and phosphate ester hydraulic fluids. More than 50% of the Orings sold are Nitrile Orings, commonly used in hydraulic/pneumatic motors, cylinders,...

FDA Grade Metal Detectable Buna-N Blue O-Rings 70 Durometer (NBR) Upgrade your sealing solutions with our premium FDA Grade Metal Detectable Buna-N O-Rings , designed specifically for the stringent demands of the food and beverage industry. Crafted from high-quality Nitrile (Buna-N) material, these O-Rings offer exceptional performance and compliance with food safety regulations. Key Features FDA Compliant Material Meets FDA CFR 177.2600 regulations for direct food contact.Manufactured according to ASTM D2000-99 Grade M2BG714 B14 EA14 F17 standards. Metal Detectable Engineered with metal-detectable properties to prevent contamination.Enhances safety protocols by allowing easy detection of fragments. Optimal Hardness 70 Durometer...

O-ring Size: 13 1/2"ID X 14"OD X 1/4"CS Buna-N 70 Durometer X-Rings The four-lobed design with a specially developed sealing profile of these seals provides twice the sealing surface of ordinary O-rings. The four-lobed design not only provides lower fiction than an O-ring, but also, due to its square cross section, it resists spiral twist. X-Rings are available in a wide range of elastomer materials for both standard and special applications. Their dimensions are specified with the inside diameter "d1" and the cross-section "W." X-Rings are supplied to the American Standard AS-568A and are completely interchangeable with O-rings in these sizes. They can be used in a variety of static and dynamic sealing...

CV75 Viton Extreme Chemical Resistant ETP O-Rings Black General Information Excellent Polar Solvent Resistance (Better Than 'GF' Types) Excellent Resistance to Engine Oils, Gear Lubricant & Hydraulic Fluid Excellent Resistance to Strong Acids and Bases Best Chemical Resistance Available in a Non-Perfluoroelastomer Good Heat Resistance Excellent Ozone and Weathering Resistance Applications Chemical Processing Systems Involving Polar Solvents, Such as MEK, Toulene, Hexane, Acetone, Tetrahydrofuran, Methanol, ect. Oxidized Fuel Handling Components Mixed Chemical / Solvent Handling Systems Industrial Process Sealing Acid and Base Materials High Temperature Oil & Hydraulic Fluid Seals and Gaskets Material Black in Color 100%...

Simrit E454 EPDM 80 durometer black O-Ring is engineered to deliver long-term sealing reliability in the most demanding hydraulic environments, while also providing dependable performance in standard industrial applications. Designed to minimize leakage, resist material breakdown, and maintain consistent sealing force, this O-Ring helps customers reduce downtime and extend service intervals. Manufactured from peroxide-cured EPDM (ethylene-propylene rubber) , the E454 compound offers superior heat stability, lower compression set, and improved aging resistance compared to sulfur-cured EPDM materials. With an 80 durometer hardness and black color, this O-Ring provides excellent extrusion resistance and dimensional stability. Its...

FDA & 3A Sanitary Approved Fluorocarbon O-Rings for Food, Beverage & Dairy Processing The FDA 3A Sanitary Brown Viton™ FKM 75 Duro O-Rings are designed for demanding food, beverage, and dairy processing applications. Manufactured from FDA-approved Fluorocarbon (FKM) rubber, these O-Rings comply with FDA 21 CFR 177.2600 and 3A Sanitary Class I requirements, ensuring reliable and safe sealing in hygienic environments. These high-performance O-Rings offer exceptional chemical resistance, high-temperature stability, and durability against aggressive cleaning agents, steam sterilization, and food-grade lubricants. Key Features and Benefits Meets FDA 21 CFR 177.2600 for direct food and beverage contact 3A Sanitary Class I...

Fluorocarbon (FPM, FKM, Fluorocarbon FKM) 75 Durometer X-Rings Fluorocarbon is a well- known high performance rubber, and especially it has excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, fuels, hydraulic fluids, aromatics and many organic solvents and chemicals. X-Rings have a double sealing function as compared to an O-Ring and can be used in a wide variety of static and dynamic sealing applications. The four-lobed design provides twice the sealing surface in comparison to a standard o-ring. The double-seal action requires less squeeze to maintain an effective seal. This reduction in squeeze means less friction and improved seal life. Additionally, X-Ring parting lines are between the lobes, away from the...

Unmatched Chemical & Temperature Resistance for Extreme Sealing Applications When your sealing application demands exceptional chemical resistance, high heat stability, and low friction, PTFE (Polytetrafluoroethylene) O-Rings provide an unparalleled solution. The O-Ring Store LLC offers precision-cut, White PTFE O-Rings designed for the most demanding environments, including chemical processing, medical applications, food and beverage, and high-friction sealing surfaces. Unlike traditional elastomers, PTFE O-Rings do not compress easily, making them ideal for dynamic and extreme chemical exposure applications. They are the most chemically inert O-Ring material available, resistant to acids, bases, oils, steam, and aggressive...

13-1/2"ID X 14"OD X 1/4"CS Silicone O-Rings (VMQ) Duro 50 - Brick Red - FDA: The term silicone covers a large group of materials in which vinyl-methyl-silicone (VMQ) is often the central ingredient. Silicone elastomers as a group have relatively low tensile strength, poor tear and wear resistance. However, they have many useful properties as well. Silicone has a good heat resistance, good cold flexibility, and good ozone and weather resistance as well as good insulating and physiologically neutral properties. Operating temperature: Heat resistance-Up to approximately 400°F (204°C) Cold flexibility-Down to approximately –75°F (–59°C) Chemical Resistance: Engine and transmission oil (e.g.: ASTM oil No.1) Animal...

Simriz 134 90A RGD FFKM O-Ring – High-Performance Sealing for Extreme Conditions The Simriz® 134 90 Duro Perfluoroelastomer (FFKM) O-Ring provides the ultimate sealing reliability in extreme environments. It is engineered to withstand aggressive chemicals, rapid pressure changes, and sustained high temperatures where other materials fail. With 90 Shore A hardness and certified resistance to Rapid Gas Decompression (RGD), this compound delivers long-term protection, minimal downtime, and reduced maintenance costs for industries that demand total reliability. Simriz® 134 offers superior chemical and thermal stability with the elasticity of a true elastomer, ensuring performance and safety in critical applications such as oil & gas,...

Simriz® 484 For Food & Beverage and Pharmaceutical Applications Operating temperature: -4°F to +446°F (-20°C to +230°C) Why Use SIMRIZ® 484 over every other competitor FFKM product: Broad chemical resistance in a large number of harsh chemical environments (e.g. CIP/SIP media) Low compression set resulting in an increased product life time FDA compliant USP class VI compliant Meets 3-A® Sanitary Standards ADI free Without equal. Patented cross-linking system provides superior performance beyond the limits of every other competitor FFKM product Demonstrated performance. Successfully used in many customer applications Vertically integrated. Freudenberg-NOK Sealing Technologies is the only vertically integrated...