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 |
|---|---|---|---|---|---|---|---|---|
| BS619 PTFE |
IntegrationID
N/A 189361 |
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 2.938 in74.61 mm | CSW Tolerance N/A 0.005 in0.13 mm | BS Number N/A -619 | Product Guides N/A Seal Guides |
| BS618 PTFE |
IntegrationID
N/A 189362 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.139 in3.53 mm | Inside Diameter N/A 1.016 in25.81 mm | CSW Tolerance N/A 0.004 in0.10 mm | BS Number N/A -618 | Product Guides N/A Seal Guides |
| BS617 PTFE |
IntegrationID
N/A 189363 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.103 in2.62 mm | Inside Diameter N/A 0.703 in17.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -617 | Product Guides N/A Seal Guides |
| BS616 PTFE |
IntegrationID
N/A 189364 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.103 in2.62 mm | Inside Diameter N/A 0.594 in15.09 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -616 | Product Guides N/A Seal Guides |
| BS615 PTFE |
IntegrationID
N/A 189365 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.103 in2.62 mm | Inside Diameter N/A 0.516 in13.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -615 | Product Guides N/A Seal Guides |
| BS614 PTFE |
IntegrationID
N/A 189366 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.103 in2.62 mm | Inside Diameter N/A 0.469 in11.91 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -614 | Product Guides N/A Seal Guides |
| BS613 PTFE |
IntegrationID
N/A 189367 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.103 in2.62 mm | Inside Diameter N/A 0.391 in9.93 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -613 | Product Guides N/A Seal Guides |
| BS611 PTFE |
IntegrationID
N/A 189368 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 0.344 in8.74 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -611 | Product Guides N/A Seal Guides |
| BS610 PTFE |
IntegrationID
N/A 189369 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 0.266 in6.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -610 | Product Guides N/A Seal Guides |
| BS757 PTFE |
IntegrationID
N/A 189370 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.040 in1.02 mm | Inside Diameter N/A 0.100 in2.54 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -757 | Product Guides N/A Seal Guides |
| BS756 PTFE |
IntegrationID
N/A 189371 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.040 in1.02 mm | Inside Diameter N/A 0.070 in1.78 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -756 | Product Guides N/A Seal Guides |
| BS562 PTFE |
IntegrationID
N/A 189372 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.845 in173.86 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -562 | Product Guides N/A Seal Guides |
| BS561 PTFE |
IntegrationID
N/A 189373 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.72 in170.69 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -561 | Product Guides N/A Seal Guides |
| BS575 PTFE |
IntegrationID
N/A 189374 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.695 in170.05 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -575 | Product Guides N/A Seal Guides |
| BS559 PTFE |
IntegrationID
N/A 189375 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.470 in164.34 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -559 | Product Guides N/A Seal Guides |
| BS558 PTFE |
IntegrationID
N/A 189376 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.345 in161.16 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -558 | Product Guides N/A Seal Guides |
| BS557 PTFE |
IntegrationID
N/A 189377 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.22 in157.99 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -557 | Product Guides N/A Seal Guides |
| BS556 PTFE |
IntegrationID
N/A 189378 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 6.095 in154.81 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -556 | Product Guides N/A Seal Guides |
| BS555 PTFE |
IntegrationID
N/A 189379 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.97 in151.64 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -555 | Product Guides N/A Seal Guides |
| BS554 PTFE |
IntegrationID
N/A 189380 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.845 in148.46 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -554 | Product Guides N/A Seal Guides |
| BS553 PTFE |
IntegrationID
N/A 189381 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.72 in145.29 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -553 | Product Guides N/A Seal Guides |
| BS552 PTFE |
IntegrationID
N/A 189382 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.595 in142.11 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -552 | Product Guides N/A Seal Guides |
| BS551 PTFE |
IntegrationID
N/A 189383 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.47 in138.94 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -551 | Product Guides N/A Seal Guides |
| BS550 PTFE |
IntegrationID
N/A 189384 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.345 in135.76 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -550 | Product Guides N/A Seal Guides |
| BS548 PTFE |
IntegrationID
N/A 189385 |
Type N/A BS Standard O-Ring | Material N/A PTFE | Cross Section Width N/A 0.070 in1.78 mm | Inside Diameter N/A 5.095 in129.41 mm | CSW Tolerance N/A 0.003 in0.08 mm | BS Number N/A -548 | Product Guides N/A Seal Guides |
