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
BS357 KALREZ-90	N/A 188559	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.475 in139.07 mm	N/A 0.005 in0.13 mm	N/A -357
BS356 KALREZ-90	N/A 188560	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.350 in135.89 mm	N/A 0.005 in0.13 mm	N/A -356
BS355 KALREZ-90	N/A 188561	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.225 in132.72 mm	N/A 0.005 in0.13 mm	N/A -355
BS354 KALREZ-90	N/A 188562	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.100 in129.54 mm	N/A 0.005 in0.13 mm	N/A -354
BS353 KALREZ-90	N/A 188563	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.975 in126.37 mm	N/A 0.005 in0.13 mm	N/A -353
BS352 KALREZ-90	N/A 188564	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.850 in123.19 mm	N/A 0.005 in0.13 mm	N/A -352
BS351 KALREZ-90	N/A 188565	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.725 in120.02 mm	N/A 0.005 in0.13 mm	N/A -351
BS350 KALREZ-90	N/A 188566	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.60 in116.84 mm	N/A 0.005 in0.13 mm	N/A -350
BS349 KALREZ-90	N/A 188567	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.475 in113.67 mm	N/A 0.005 in0.13 mm	N/A -349
BS348 KALREZ-90	N/A 188568	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.350 in110.49 mm	N/A 0.005 in0.13 mm	N/A -348
BS347 KALREZ-90	N/A 188569	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.225 in107.32 mm	N/A 0.005 in0.13 mm	N/A -347
BS346 KALREZ-90	N/A 188570	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.100 in104.14 mm	N/A 0.005 in0.13 mm	N/A -346
BS345 KALREZ-90	N/A 188571	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.975 in100.97 mm	N/A 0.005 in0.13 mm	N/A -345
BS344 KALREZ-90	N/A 188572	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.850 in97.79 mm	N/A 0.005 in0.13 mm	N/A -344
BS343 KALREZ-90	N/A 188573	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.725 in94.62 mm	N/A 0.005 in0.13 mm	N/A -343
BS342 KALREZ-90	N/A 188574	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.75 in95.25 mm	N/A 0.005 in0.13 mm	N/A -342
BS341 KALREZ-90	N/A 188575	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.475 in88.27 mm	N/A 0.005 in0.13 mm	N/A -341
BS340 KALREZ-90	N/A 188576	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.350 in85.09 mm	N/A 0.005 in0.13 mm	N/A -340
BS339 KALREZ-90	N/A 188577	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.225 in81.92 mm	N/A 0.005 in0.13 mm	N/A -339
BS338 KALREZ-90	N/A 188578	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 3.100 in78.74 mm	N/A 0.005 in0.13 mm	N/A -338
BS337 KALREZ-90	N/A 188579	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 2.975 in75.57 mm	N/A 0.005 in0.13 mm	N/A -337
BS336 KALREZ-90	N/A 188580	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 2.850 in72.39 mm	N/A 0.005 in0.13 mm	N/A -336
BS335 KALREZ-90	N/A 188581	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 2.725 in69.22 mm	N/A 0.005 in0.13 mm	N/A -335
BS334 KALREZ-90	N/A 188582	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 2.75 in69.85 mm	N/A 0.005 in0.13 mm	N/A -334
BS333 KALREZ-90	N/A 188583	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 2.475 in62.87 mm	N/A 0.005 in0.13 mm	N/A -333

N/A
188559

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.475 in139.07 mm

N/A 0.005 in0.13 mm

N/A -357

BS356 KALREZ-90

N/A
188560

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.350 in135.89 mm

N/A 0.005 in0.13 mm

N/A -356

BS355 KALREZ-90

N/A
188561

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.225 in132.72 mm

N/A 0.005 in0.13 mm

N/A -355

BS354 KALREZ-90

N/A
188562

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.100 in129.54 mm

N/A 0.005 in0.13 mm

N/A -354

BS353 KALREZ-90

N/A
188563

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.975 in126.37 mm

N/A 0.005 in0.13 mm

N/A -353

BS352 KALREZ-90

N/A
188564

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.850 in123.19 mm

N/A 0.005 in0.13 mm

N/A -352

BS351 KALREZ-90

N/A
188565

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.725 in120.02 mm

N/A 0.005 in0.13 mm

N/A -351

BS350 KALREZ-90

N/A
188566

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.60 in116.84 mm

N/A 0.005 in0.13 mm

N/A -350

BS349 KALREZ-90

N/A
188567

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.475 in113.67 mm

N/A 0.005 in0.13 mm

N/A -349

BS348 KALREZ-90

N/A
188568

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.350 in110.49 mm

N/A 0.005 in0.13 mm

N/A -348

BS347 KALREZ-90

N/A
188569

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.225 in107.32 mm

N/A 0.005 in0.13 mm

N/A -347

BS346 KALREZ-90

N/A
188570

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.100 in104.14 mm

N/A 0.005 in0.13 mm

N/A -346

BS345 KALREZ-90

N/A
188571

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.975 in100.97 mm

N/A 0.005 in0.13 mm

N/A -345

BS344 KALREZ-90

N/A
188572

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.850 in97.79 mm

N/A 0.005 in0.13 mm

N/A -344

BS343 KALREZ-90

N/A
188573

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.725 in94.62 mm

N/A 0.005 in0.13 mm

N/A -343

BS342 KALREZ-90

N/A
188574

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.75 in95.25 mm

N/A 0.005 in0.13 mm

N/A -342

BS341 KALREZ-90

N/A
188575

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.475 in88.27 mm

N/A 0.005 in0.13 mm

N/A -341

BS340 KALREZ-90

N/A
188576

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.350 in85.09 mm

N/A 0.005 in0.13 mm

N/A -340

BS339 KALREZ-90

N/A
188577

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.225 in81.92 mm

N/A 0.005 in0.13 mm

N/A -339

BS338 KALREZ-90

N/A
188578

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 3.100 in78.74 mm

N/A 0.005 in0.13 mm

N/A -338

BS337 KALREZ-90

N/A
188579

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 2.975 in75.57 mm

N/A 0.005 in0.13 mm

N/A -337

BS336 KALREZ-90

N/A
188580

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 2.850 in72.39 mm

N/A 0.005 in0.13 mm

N/A -336

BS335 KALREZ-90

N/A
188581

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 2.725 in69.22 mm

N/A 0.005 in0.13 mm

N/A -335

BS334 KALREZ-90

N/A
188582

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 2.75 in69.85 mm

N/A 0.005 in0.13 mm

N/A -334

BS333 KALREZ-90

N/A
188583

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 2.475 in62.87 mm

N/A 0.005 in0.13 mm

N/A -333