BS Perfluoroelastomer O-Rings

OneMonroe Perfluoroelastomer O-Rings are designed for applications that demand superior chemical resistance and durability in challenging environments. These O-rings are crafted from high-performance perfluoroelastomer materials, which provide unparalleled resistance to a wide range of aggressive chemicals, including acids, bases, solvents, and hydrocarbons. This exceptional material ensures a robust seal even at extreme temperatures and pressures, making OneMonroe Perfluoroelastomer O-Rings the perfect choice for industries such as chemical processing, aerospace, oil and gas, and semiconductor manufacturing. Each O-ring is engineered to deliver reliable, long-lasting performance where other materials might fail, ensuring the safety and efficiency of your equipment.

We understand that every application has unique requirements, which is why OneMonroe offers a wide range of sizes and specifications to meet your precise needs. Our BS Perfluoroelastomer O-Rings are manufactured to meet British Standard sizing, ensuring a perfect fit for a variety of industrial equipment and components. Additionally, these O-rings can withstand high-temperature environments without compromising their elasticity or performance, maintaining a secure seal under even the most extreme conditions. This resilience makes them an ideal solution for applications where regular elastomers would deteriorate or fail, providing peace of mind and reducing maintenance costs.

At OneMonroe, quality and performance are at the heart of our product development. Each Perfluoroelastomer O-Ring undergoes rigorous testing and quality control measures to ensure it meets our high standards of reliability and durability. With OneMonroe O-Rings, you can be confident that your equipment will operate efficiently and safely, even in the presence of aggressive chemicals and demanding conditions. Trust OneMonroe Perfluoroelastomer O-Rings to provide the sealing strength and chemical resistance necessary for your critical applications, enhancing both the lifespan and performance of your machinery.

Item #	IntegrationID	Type	Material	Cross Section Width	Durometer	Inside Diameter	CSW Tolerance	BS Number
BS279 KALREZ-75	N/A 187684	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 12.984 in329.79 mm	N/A 0.004 in0.10 mm	N/A -279
BS278 KALREZ-75	N/A 187685	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 11.984 in304.39 mm	N/A 0.004 in0.10 mm	N/A -278
BS277 KALREZ-75	N/A 187686	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 11.484 in291.69 mm	N/A 0.004 in0.10 mm	N/A -277
BS276 KALREZ-75	N/A 187687	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 10.984 in278.99 mm	N/A 0.004 in0.10 mm	N/A -276
BS275 KALREZ-75	N/A 187688	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 10.484 in266.29 mm	N/A 0.004 in0.10 mm	N/A -275
BS274 KALREZ-75	N/A 187689	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 9.984 in253.59 mm	N/A 0.004 in0.10 mm	N/A -274
BS273 KALREZ-75	N/A 187690	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 9.734 in247.24 mm	N/A 0.004 in0.10 mm	N/A -273
BS272 KALREZ-75	N/A 187691	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 9.484 in240.89 mm	N/A 0.004 in0.10 mm	N/A -272
BS271 KALREZ-75	N/A 187692	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 9.234 in234.54 mm	N/A 0.004 in0.10 mm	N/A -271
BS270 KALREZ-75	N/A 187693	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 8.984 in228.19 mm	N/A 0.004 in0.10 mm	N/A -270
BS269 KALREZ-75	N/A 187694	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 8.734 in221.84 mm	N/A 0.004 in0.10 mm	N/A -269
BS268 KALREZ-75	N/A 187695	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 8.484 in215.49 mm	N/A 0.004 in0.10 mm	N/A -268
BS267 KALREZ-75	N/A 187696	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 8.234 in209.14 mm	N/A 0.004 in0.10 mm	N/A -267
BS266 KALREZ-75	N/A 187697	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 7.984 in202.79 mm	N/A 0.004 in0.10 mm	N/A -266
BS265 KALREZ-75	N/A 187698	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 7.734 in196.44 mm	N/A 0.004 in0.10 mm	N/A -265
BS264 KALREZ-75	N/A 187699	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 7.484 in190.09 mm	N/A 0.004 in0.10 mm	N/A -264
BS263 KALREZ-75	N/A 187700	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 7.234 in183.74 mm	N/A 0.004 in0.10 mm	N/A -263
BS262 KALREZ-75	N/A 187701	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 6.984 in177.39 mm	N/A 0.004 in0.10 mm	N/A -262
BS261 KALREZ-75	N/A 187702	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 6.734 in171.04 mm	N/A 0.004 in0.10 mm	N/A -261
BS275 KALREZ-75	N/A 187703	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 6.484 in164.69 mm	N/A 0.004 in0.10 mm	N/A -275
BS259 KALREZ-75	N/A 187704	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 6.234 in158.34 mm	N/A 0.004 in0.10 mm	N/A -259
BS258 KALREZ-75	N/A 187705	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 5.984 in151.99 mm	N/A 0.004 in0.10 mm	N/A -258
BS257 KALREZ-75	N/A 187706	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 5.859 in148.82 mm	N/A 0.004 in0.10 mm	N/A -257
BS256 KALREZ-75	N/A 187707	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 5.734 in145.64 mm	N/A 0.004 in0.10 mm	N/A -256
BS255 KALREZ-75	N/A 187708	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 75	N/A 5.759 in146.28 mm	N/A 0.004 in0.10 mm	N/A -255

N/A
187684

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 12.984 in329.79 mm

N/A 0.004 in0.10 mm

N/A -279

BS278 KALREZ-75

N/A
187685

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 11.984 in304.39 mm

N/A 0.004 in0.10 mm

N/A -278

BS277 KALREZ-75

N/A
187686

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 11.484 in291.69 mm

N/A 0.004 in0.10 mm

N/A -277

BS276 KALREZ-75

N/A
187687

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 10.984 in278.99 mm

N/A 0.004 in0.10 mm

N/A -276

BS275 KALREZ-75

N/A
187688

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 10.484 in266.29 mm

N/A 0.004 in0.10 mm

N/A -275

BS274 KALREZ-75

N/A
187689

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 9.984 in253.59 mm

N/A 0.004 in0.10 mm

N/A -274

BS273 KALREZ-75

N/A
187690

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 9.734 in247.24 mm

N/A 0.004 in0.10 mm

N/A -273

BS272 KALREZ-75

N/A
187691

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 9.484 in240.89 mm

N/A 0.004 in0.10 mm

N/A -272

BS271 KALREZ-75

N/A
187692

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 9.234 in234.54 mm

N/A 0.004 in0.10 mm

N/A -271

BS270 KALREZ-75

N/A
187693

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 8.984 in228.19 mm

N/A 0.004 in0.10 mm

N/A -270

BS269 KALREZ-75

N/A
187694

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 8.734 in221.84 mm

N/A 0.004 in0.10 mm

N/A -269

BS268 KALREZ-75

N/A
187695

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 8.484 in215.49 mm

N/A 0.004 in0.10 mm

N/A -268

BS267 KALREZ-75

N/A
187696

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 8.234 in209.14 mm

N/A 0.004 in0.10 mm

N/A -267

BS266 KALREZ-75

N/A
187697

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 7.984 in202.79 mm

N/A 0.004 in0.10 mm

N/A -266

BS265 KALREZ-75

N/A
187698

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 7.734 in196.44 mm

N/A 0.004 in0.10 mm

N/A -265

BS264 KALREZ-75

N/A
187699

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 7.484 in190.09 mm

N/A 0.004 in0.10 mm

N/A -264

BS263 KALREZ-75

N/A
187700

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 7.234 in183.74 mm

N/A 0.004 in0.10 mm

N/A -263

BS262 KALREZ-75

N/A
187701

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 6.984 in177.39 mm

N/A 0.004 in0.10 mm

N/A -262

BS261 KALREZ-75

N/A
187702

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 6.734 in171.04 mm

N/A 0.004 in0.10 mm

N/A -261

BS275 KALREZ-75

N/A
187703

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 6.484 in164.69 mm

N/A 0.004 in0.10 mm

N/A -275

BS259 KALREZ-75

N/A
187704

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 6.234 in158.34 mm

N/A 0.004 in0.10 mm

N/A -259

BS258 KALREZ-75

N/A
187705

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 5.984 in151.99 mm

N/A 0.004 in0.10 mm

N/A -258

BS257 KALREZ-75

N/A
187706

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 5.859 in148.82 mm

N/A 0.004 in0.10 mm

N/A -257

BS256 KALREZ-75

N/A
187707

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 5.734 in145.64 mm

N/A 0.004 in0.10 mm

N/A -256

BS255 KALREZ-75

N/A
187708

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 75

N/A 5.759 in146.28 mm

N/A 0.004 in0.10 mm

N/A -255