• 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 (in)

Cross Section Width (mm)

Inside Diameter (in)

Inside Diameter (mm)

Item #

IntegrationID

Type

Material

Cross Section Width

Inside Diameter

CSW Tolerance

BS Number

N/A
189311 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.687 in68.25 mm N/A 0.004 in0.10 mm N/A -842
N/A
189312 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.625 in66.68 mm N/A 0.004 in0.10 mm N/A -841
N/A
189313 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.563 in65.1 mm N/A 0.004 in0.10 mm N/A -840
N/A
189314 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.500 in63.50 mm N/A 0.004 in0.10 mm N/A -839
N/A
189315 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.437 in61.90 mm N/A 0.004 in0.10 mm N/A -838
N/A
189316 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.375 in75.33 mm N/A 0.004 in0.10 mm N/A -837
N/A
189317 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.313 in58.74 mm N/A 0.004 in0.10 mm N/A -836
N/A
189318 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.25 in57.15 mm N/A 0.004 in0.10 mm N/A -835
N/A
189319 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.187 in55.55 mm N/A 0.004 in0.10 mm N/A -834
N/A
189320 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.125 in53.98 mm N/A 0.004 in0.10 mm N/A -833
N/A
189321 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.063 in52.39 mm N/A 0.004 in0.10 mm N/A -832
N/A
189322 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 2.000 in50.80 mm N/A 0.004 in0.10 mm N/A -831
N/A
189323 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.937 in49.20 mm N/A 0.004 in0.10 mm N/A -830
N/A
189324 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.875 in47.63 mm N/A 0.004 in0.10 mm N/A -829
N/A
189325 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.813 in46.04 mm N/A 0.004 in0.10 mm N/A -828
N/A
189326 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.75 in44.45 mm N/A 0.004 in0.10 mm N/A -827
N/A
189327 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.687 in42.85 mm N/A 0.004 in0.10 mm N/A -826
N/A
189328 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.625 in41.28 mm N/A 0.004 in0.10 mm N/A -825
N/A
189329 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 1.563 in39.70 mm N/A 0.004 in0.10 mm N/A -824
N/A
189330 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.937 in23.80 mm N/A 0.003 in0.08 mm N/A -814
N/A
189331 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.875 in22.23 mm N/A 0.003 in0.08 mm N/A -813
N/A
189332 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.812 in20.62 mm N/A 0.003 in0.08 mm N/A -812
N/A
189333 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.687 in17.45 mm N/A 0.003 in0.08 mm N/A -810
N/A
189334 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.625 in15.88 mm N/A 0.003 in0.08 mm N/A -809
N/A
189335 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 0.500 in12.70 mm N/A 0.003 in0.08 mm N/A -807
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