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.
Cross Section Width (in)
Cross Section Width (mm)
Inside Diameter (in)
Inside Diameter (mm)
Item # |
IntegrationID |
Type |
Material |
Cross Section Width |
Inside Diameter |
CSW Tolerance |
BS Number |
Product Guides |
---|---|---|---|---|---|---|---|---|
BS381 PTFE |
IntegrationID
N/A 189461 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 11.975 in304.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -381 | Product Guides N/A Seal Guides |
BS380 PTFE |
IntegrationID
N/A 189462 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 11.475 in291.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -380 | Product Guides N/A Seal Guides |
BS379 PTFE |
IntegrationID
N/A 189463 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 10.975 in278.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -379 | Product Guides N/A Seal Guides |
BS378 PTFE |
IntegrationID
N/A 189464 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 10.475 in266.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -378 | Product Guides N/A Seal Guides |
BS377 PTFE |
IntegrationID
N/A 189465 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 9.975 in253.37 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -377 | Product Guides N/A Seal Guides |
BS376 PTFE |
IntegrationID
N/A 189466 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 9.725 in247.02 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -376 | Product Guides N/A Seal Guides |
BS375 PTFE |
IntegrationID
N/A 189467 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 9.475 in240.67 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -375 | Product Guides N/A Seal Guides |
BS374 PTFE |
IntegrationID
N/A 189468 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 9.225 in234.32 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -374 | Product Guides N/A Seal Guides |
BS373 PTFE |
IntegrationID
N/A 189469 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 8.975 in227.97 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -373 | Product Guides N/A Seal Guides |
BS372 PTFE |
IntegrationID
N/A 189470 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 8.725 in221.62 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -372 | Product Guides N/A Seal Guides |
BS371 PTFE |
IntegrationID
N/A 189471 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 8.475 in215.27 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -371 | Product Guides N/A Seal Guides |
BS370 PTFE |
IntegrationID
N/A 189472 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 8.225 in208.92 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -370 | Product Guides N/A Seal Guides |
BS369 PTFE |
IntegrationID
N/A 189473 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 7.975 in202.57 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -369 | Product Guides N/A Seal Guides |
BS368 PTFE |
IntegrationID
N/A 189474 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 7.725 in196.22 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -368 | Product Guides N/A Seal Guides |
BS367 PTFE |
IntegrationID
N/A 189475 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 7.475 in189.87 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -367 | Product Guides N/A Seal Guides |
BS366 PTFE |
IntegrationID
N/A 189476 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 7.225 in183.52 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -366 | Product Guides N/A Seal Guides |
BS365 PTFE |
IntegrationID
N/A 189477 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 6.975 in177.17 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -365 | Product Guides N/A Seal Guides |
BS364 PTFE |
IntegrationID
N/A 189478 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 6.725 in170.82 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -364 | Product Guides N/A Seal Guides |
BS363 PTFE |
IntegrationID
N/A 189479 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 6.475 in164.47 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -363 | Product Guides N/A Seal Guides |
BS362 PTFE |
IntegrationID
N/A 189480 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 6.225 in158.12 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -362 | Product Guides N/A Seal Guides |
BS361 PTFE |
IntegrationID
N/A 189481 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 5.975 in151.77 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -361 | Product Guides N/A Seal Guides |
BS375 PTFE |
IntegrationID
N/A 189482 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 5.850 in148.59 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -375 | Product Guides N/A Seal Guides |
BS359 PTFE |
IntegrationID
N/A 189483 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 5.725 in145.42 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -359 | Product Guides N/A Seal Guides |
BS358 PTFE |
IntegrationID
N/A 189484 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 5.6 in142.24 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -358 | Product Guides N/A Seal Guides |
BS357 PTFE |
IntegrationID
N/A 189485 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.210 in5.33 mm | Inside Diameter N/A 5.475 in139.07 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -357 | Product Guides N/A Seal Guides |