Monroe
OneMonroe
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Tel: (877) 740-2007
Fax: (800) 453-9683
Email: sales@askmonroe.com
Website: monroeengineering.com
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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
BS204 PTFE N/A
189611 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 0.359 in9.12 mm N/A 0.004 in0.10 mm N/A -204
BS203 PTFE N/A
189612 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 0.296 in7.52 mm N/A 0.004 in0.10 mm N/A -203
BS202 PTFE N/A
189613 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 0.234 in5.94 mm N/A 0.004 in0.10 mm N/A -202
BS201 PTFE N/A
189614 		N/A BS Standard O-Ring N/A PTFE N/A 0.139 in3.53 mm N/A 0.171 in4.34 mm N/A 0.004 in0.10 mm N/A -201
BS178 PTFE N/A
189615 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 9.737 in247.32 mm N/A 0.003 in0.08 mm N/A -178
BS177 PTFE N/A
189616 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 9.487 in240.97 mm N/A 0.003 in0.08 mm N/A -177
BS176 PTFE N/A
189617 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 9.237 in234.62 mm N/A 0.003 in0.08 mm N/A -176
BS175 PTFE N/A
189618 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 8.987 in228.27 mm N/A 0.003 in0.08 mm N/A -175
BS174 PTFE N/A
189619 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 8.737 in221.92 mm N/A 0.003 in0.08 mm N/A -174
BS173 PTFE N/A
189620 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 8.487 in215.57 mm N/A 0.003 in0.08 mm N/A -173
BS172 PTFE N/A
189621 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 8.237 in209.22 mm N/A 0.003 in0.08 mm N/A -172
BS171 PTFE N/A
189622 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 7.987 in202.87 mm N/A 0.003 in0.08 mm N/A -171
BS170 PTFE N/A
189623 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 7.737 in196.52 mm N/A 0.003 in0.08 mm N/A -170
BS169 PTFE N/A
189624 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 7.487 in190.17 mm N/A 0.003 in0.08 mm N/A -169
BS168 PTFE N/A
189625 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 7.237 in183.82 mm N/A 0.003 in0.08 mm N/A -168
BS167 PTFE N/A
189626 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 6.987 in177.47 mm N/A 0.003 in0.08 mm N/A -167
BS166 PTFE N/A
189627 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 6.737 in171.12 mm N/A 0.003 in0.08 mm N/A -166
BS165 PTFE N/A
189628 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 6.487 in164.77 mm N/A 0.003 in0.08 mm N/A -165
BS164 PTFE N/A
189629 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 6.237 in158.42 mm N/A 0.003 in0.08 mm N/A -164
BS163 PTFE N/A
189630 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 5.987 in152.07 mm N/A 0.003 in0.08 mm N/A -163
BS162 PTFE N/A
189631 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 5.737 in145.72 mm N/A 0.003 in0.08 mm N/A -162
BS161 PTFE N/A
189632 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 5.487 in139.37 mm N/A 0.003 in0.08 mm N/A -161
BS175 PTFE N/A
189633 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 5.237 in133.02 mm N/A 0.003 in0.08 mm N/A -175
BS159 PTFE N/A
189634 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 4.987 in126.67 mm N/A 0.003 in0.08 mm N/A -159
BS158 PTFE N/A
189635 		N/A BS Standard O-Ring N/A PTFE N/A 0.103 in2.62 mm N/A 4.737 in120.32 mm N/A 0.003 in0.08 mm N/A -158
Unit of Measure
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