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  • 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
189336 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.437 in11.10 mm N/A 0.003 in0.08 mm N/A -806
N/A
189337 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.313 in7.94 mm N/A 0.003 in0.08 mm N/A -804
N/A
189338 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.25 in6.35 mm N/A 0.003 in0.08 mm N/A -803
N/A
189339 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.187 in4.75 mm N/A 0.003 in0.08 mm N/A -802
N/A
189340 		N/A BS Standard O-Ring N/A PTFE N/A 0.070 in1.78 mm N/A 0.125 in3.18 mm N/A 0.003 in0.08 mm N/A -801
N/A
189341 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 13.225 in335.92 mm N/A 0.006 in0.15 mm N/A -650
N/A
189342 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 12.725 in323.22 mm N/A 0.006 in0.15 mm N/A -649
N/A
189343 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 12.225 in310.52 mm N/A 0.006 in0.15 mm N/A -648
N/A
189344 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 6.85 in173.99 mm N/A 0.005 in0.13 mm N/A -647
N/A
189345 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 6.75 in167.64 mm N/A 0.005 in0.13 mm N/A -646
N/A
189346 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 6.35 in161.29 mm N/A 0.005 in0.13 mm N/A -645
N/A
189347 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 6.100 in154.94 mm N/A 0.005 in0.13 mm N/A -644
N/A
189348 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 3.299 in83.79 mm N/A 0.003 in0.08 mm N/A -643
N/A
189349 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 3.174 in80.62 mm N/A 0.003 in0.08 mm N/A -642
N/A
189350 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 3.049 in77.44 mm N/A 0.003 in0.08 mm N/A -641
N/A
189351 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 2.924 in74.27 mm N/A 0.003 in0.08 mm N/A -640
N/A
189352 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.563 in166.70 mm N/A 0.006 in0.15 mm N/A -628
N/A
189353 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 6.281 in159.54 mm N/A 0.006 in0.15 mm N/A -627
N/A
189354 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 5.297 in134.54 mm N/A 0.006 in0.15 mm N/A -626
N/A
189355 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 4.906 in124.61 mm N/A 0.006 in0.15 mm N/A -625
N/A
189356 		N/A BS Standard O-Ring N/A PTFE N/A 0.275 in6.99 mm N/A 4.516 in114.71 mm N/A 0.006 in0.15 mm N/A -624
N/A
189357 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 4.313 in109.54 mm N/A 0.005 in0.13 mm N/A -623
N/A
189358 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 3.937 in100.00 mm N/A 0.005 in0.13 mm N/A -622
N/A
189359 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 3.531 in89.69 mm N/A 0.005 in0.13 mm N/A -621
N/A
189360 		N/A BS Standard O-Ring N/A PTFE N/A 0.210 in5.33 mm N/A 3.141 in79.78 mm N/A 0.005 in0.13 mm N/A -620
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