• BS O-Rings

OneMonroe PTFE O-Rings provide an exceptional sealing solution for demanding applications where standard rubber or elastomer rings may fall short. These high-quality O-Rings are made from PTFE (polytetrafluoroethylene), a versatile and durable material known for its remarkable resistance to high temperatures, chemicals, and extreme environmental conditions. PTFE O-Rings offer superior performance in harsh industrial settings, such as chemical processing, oil and gas, and food manufacturing, where contamination-free, leak-proof seals are essential. OneMonroe’s PTFE O-Rings are designed to maintain their integrity under extreme pressure, making them an optimal choice for businesses that prioritize reliable, long-lasting components.

Available in a range of sizes to fit various BS specifications, OneMonroe’s PTFE O-Rings are engineered to meet the unique demands of high-temperature and corrosive applications. Unlike traditional O-Rings, PTFE O-Rings are non-reactive and highly resistant to a wide range of chemicals, including acids, bases, and solvents, allowing them to deliver top-notch performance where rubber O-Rings might degrade. The PTFE material also boasts a low coefficient of friction, which minimizes wear and tear on both the O-Ring and surrounding components. This means less downtime and fewer replacements, translating to cost savings and increased operational efficiency for your business.

OneMonroe is committed to providing products that offer exceptional durability and performance in even the most challenging environments. Each PTFE O-Ring is precision-manufactured and quality-checked to meet stringent industry standards, ensuring you receive a reliable product every time. Whether you’re working in an industrial, automotive, or medical setting, OneMonroe PTFE O-Rings are designed to handle the job with unmatched resilience and durability. Trust OneMonroe’s dedication to quality and performance, and let our PTFE O-Rings help keep your operations running smoothly and securely.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

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Cross Section Width (mm)

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Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Section Width

Inside Diameter

CSW Tolerance

BS Number

Product Guides

N/A
189386 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 4.86 in123.44 mm N/A 0.003 in0.08 mm N/A -546 N/A Seal Guides
N/A
189387 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 4.61 in117.09 mm N/A 0.003 in0.08 mm N/A -544 N/A Seal Guides
N/A
189388 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 4.36 in110.74 mm N/A 0.003 in0.08 mm N/A -542 N/A Seal Guides
N/A
189389 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 4.110 in104.39 mm N/A 0.003 in0.08 mm N/A -540 N/A Seal Guides
N/A
189390 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 3.86 in98.04 mm N/A 0.003 in0.08 mm N/A -538 N/A Seal Guides
N/A
189391 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 3.61 in91.69 mm N/A 0.003 in0.08 mm N/A -536 N/A Seal Guides
N/A
189392 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 3.36 in85.34 mm N/A 0.003 in0.08 mm N/A -534 N/A Seal Guides
N/A
189393 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 3.11 in78.99 mm N/A 0.003 in0.08 mm N/A -532 N/A Seal Guides
N/A
189394 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 1.553 in39.45 mm N/A 0.003 in0.08 mm N/A -519 N/A Seal Guides
N/A
189395 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 1.428 in36.27 mm N/A 0.003 in0.08 mm N/A -517 N/A Seal Guides
N/A
189396 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 25.9401 in658.88 mm N/A 0.006 in0.15 mm N/A -475 N/A Seal Guides
N/A
189397 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 24.940 in633.48 mm N/A 0.006 in0.15 mm N/A -474 N/A Seal Guides
N/A
189398 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 23.940 in758.08 mm N/A 0.006 in0.15 mm N/A -473 N/A Seal Guides
N/A
189399 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 22.940 in582.68 mm N/A 0.006 in0.15 mm N/A -472 N/A Seal Guides
N/A
189400 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 21.955 in557.66 mm N/A 0.006 in0.15 mm N/A -471 N/A Seal Guides
N/A
189401 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 20.955 in532.26 mm N/A 0.006 in0.15 mm N/A -470 N/A Seal Guides
N/A
189402 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 19.955 in506.86 mm N/A 0.006 in0.15 mm N/A -469 N/A Seal Guides
N/A
189403 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 19.455 in494.16 mm N/A 0.006 in0.15 mm N/A -468 N/A Seal Guides
N/A
189404 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 18.955 in481.46 mm N/A 0.006 in0.15 mm N/A -467 N/A Seal Guides
N/A
189405 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 18.455 in468.76 mm N/A 0.006 in0.15 mm N/A -466 N/A Seal Guides
N/A
189406 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 17.955 in456.06 mm N/A 0.006 in0.15 mm N/A -465 N/A Seal Guides
N/A
189407 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 17.455 in443.36 mm N/A 0.006 in0.15 mm N/A -464 N/A Seal Guides
N/A
189408 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 16.9551 in430.66 mm N/A 0.006 in0.15 mm N/A -463 N/A Seal Guides
N/A
189409 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 16.455 in417.96 mm N/A 0.006 in0.15 mm N/A -462 N/A Seal Guides
N/A
189410 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 15.9551 in405.26 mm N/A 0.006 in0.15 mm N/A -461 N/A Seal Guides
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