Monroe
OneMonroe
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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.

BS O-Rings
Unit of Measure
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Item #

IntegrationID

Type

Material

Cross Section Width

Inside Diameter

CSW Tolerance

BS Number

Quantity
BS903 PTFE N/A
189286 		N/A BS Standard O-Ring N/A PTFE N/A 0.064 in1.63 mm N/A 0.301 in7.65 mm N/A 0.003 in0.08 mm N/A -903
BS902 PTFE N/A
189287 		N/A BS Standard O-Ring N/A PTFE N/A 0.064 in1.63 mm N/A 0.239 in6.07 mm N/A 0.003 in0.08 mm N/A -902
BS886 PTFE N/A
189288 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 7.875 in200.03 mm N/A 0.006 in0.15 mm N/A -886
BS884 PTFE N/A
189289 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 7.625 in193.68 mm N/A 0.006 in0.15 mm N/A -884
BS882 PTFE N/A
189290 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 7.375 in187.33 mm N/A 0.006 in0.15 mm N/A -882
BS880 PTFE N/A
189291 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 7.125 in180.98 mm N/A 0.006 in0.15 mm N/A -880
BS878 PTFE N/A
189292 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.875 in174.63 mm N/A 0.006 in0.15 mm N/A -878
BS876 PTFE N/A
189293 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.625 in168.28 mm N/A 0.006 in0.15 mm N/A -876
BS874 PTFE N/A
189294 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.375 in161.93 mm N/A 0.006 in0.15 mm N/A -874
BS872 PTFE N/A
189295 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.125 in155.58 mm N/A 0.006 in0.15 mm N/A -872
BS870 PTFE N/A
189296 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.875 in149.23 mm N/A 0.005 in0.13 mm N/A -870
BS869 PTFE N/A
189297 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.75 in146.05 mm N/A 0.005 in0.13 mm N/A -869
BS868 PTFE N/A
189298 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.625 in142.88 mm N/A 0.005 in0.13 mm N/A -868
BS867 PTFE N/A
189299 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.5 in139.70 mm N/A 0.005 in0.13 mm N/A -867
BS866 PTFE N/A
189300 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.375 in136.53 mm N/A 0.005 in0.13 mm N/A -866
BS865 PTFE N/A
189301 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.25 in133.35 mm N/A 0.005 in0.13 mm N/A -865
BS864 PTFE N/A
189302 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.125 in130.18 mm N/A 0.005 in0.13 mm N/A -864
BS863 PTFE N/A
189303 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 5.000 in127.00 mm N/A 0.005 in0.13 mm N/A -863
BS862 PTFE N/A
189304 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 4.875 in123.83 mm N/A 0.005 in0.13 mm N/A -862
BS861 PTFE N/A
189305 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 4.75 in120.65 mm N/A 0.005 in0.13 mm N/A -861
BS875 PTFE N/A
189306 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 4.625 in117.48 mm N/A 0.005 in0.13 mm N/A -875
BS846 PTFE N/A
189307 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.937 in74.60 mm N/A 0.004 in0.10 mm N/A -846
BS845 PTFE N/A
189308 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.875 in73.03 mm N/A 0.004 in0.10 mm N/A -845
BS844 PTFE N/A
189309 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.813 in71.44 mm N/A 0.004 in0.10 mm N/A -844
BS843 PTFE N/A
189310 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.75 in69.85 mm N/A 0.004 in0.10 mm N/A -843
Unit of Measure
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