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
BS461 KALREZ-90	N/A 188484	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 15.9551 in405.26 mm	N/A 0.006 in0.15 mm	N/A -461
BS475 KALREZ-90	N/A 188485	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 15.475 in393.07 mm	N/A 0.006 in0.15 mm	N/A -475
BS459 KALREZ-90	N/A 188486	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 14.9751 in380.37 mm	N/A 0.006 in0.15 mm	N/A -459
BS458 KALREZ-90	N/A 188487	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 14.475 in367.67 mm	N/A 0.006 in0.15 mm	N/A -458
BS457 KALREZ-90	N/A 188488	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 13.9751 in354.97 mm	N/A 0.006 in0.15 mm	N/A -457
BS456 KALREZ-90	N/A 188489	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 13.475 in342.27 mm	N/A 0.006 in0.15 mm	N/A -456
BS455 KALREZ-90	N/A 188490	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 12.975 in329.57 mm	N/A 0.006 in0.15 mm	N/A -455
BS454 KALREZ-90	N/A 188491	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 12.475 in316.87 mm	N/A 0.006 in0.15 mm	N/A -454
BS453 KALREZ-90	N/A 188492	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 11.975 in304.17 mm	N/A 0.006 in0.15 mm	N/A -453
BS452 KALREZ-90	N/A 188493	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 11.475 in291.47 mm	N/A 0.006 in0.15 mm	N/A -452
BS451 KALREZ-90	N/A 188494	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 10.975 in278.77 mm	N/A 0.006 in0.15 mm	N/A -451
BS450 KALREZ-90	N/A 188495	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 10.475 in266.07 mm	N/A 0.006 in0.15 mm	N/A -450
BS449 KALREZ-90	N/A 188496	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 9.975 in253.37 mm	N/A 0.006 in0.15 mm	N/A -449
BS448 KALREZ-90	N/A 188497	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 9.475 in240.67 mm	N/A 0.006 in0.15 mm	N/A -448
BS447 KALREZ-90	N/A 188498	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 8.975 in227.97 mm	N/A 0.006 in0.15 mm	N/A -447
BS446 KALREZ-90	N/A 188499	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 8.475 in215.27 mm	N/A 0.006 in0.15 mm	N/A -446
BS445 KALREZ-90	N/A 188500	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.975 in202.57 mm	N/A 0.006 in0.15 mm	N/A -445
BS444 KALREZ-90	N/A 188501	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.725 in196.22 mm	N/A 0.006 in0.15 mm	N/A -444
BS443 KALREZ-90	N/A 188502	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.475 in189.87 mm	N/A 0.006 in0.15 mm	N/A -443
BS442 KALREZ-90	N/A 188503	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.225 in183.52 mm	N/A 0.006 in0.15 mm	N/A -442
BS441 KALREZ-90	N/A 188504	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.975 in177.17 mm	N/A 0.006 in0.15 mm	N/A -441
BS440 KALREZ-90	N/A 188505	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.725 in170.82 mm	N/A 0.006 in0.15 mm	N/A -440
BS439 KALREZ-90	N/A 188506	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.475 in164.47 mm	N/A 0.006 in0.15 mm	N/A -439
BS438 KALREZ-90	N/A 188507	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.225 in158.12 mm	N/A 0.006 in0.15 mm	N/A -438
BS437 KALREZ-90	N/A 188508	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 5.975 in151.77 mm	N/A 0.006 in0.15 mm	N/A -437

N/A
188484

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 15.9551 in405.26 mm

N/A 0.006 in0.15 mm

N/A -461

BS475 KALREZ-90

N/A
188485

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 15.475 in393.07 mm

N/A 0.006 in0.15 mm

N/A -475

BS459 KALREZ-90

N/A
188486

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 14.9751 in380.37 mm

N/A 0.006 in0.15 mm

N/A -459

BS458 KALREZ-90

N/A
188487

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 14.475 in367.67 mm

N/A 0.006 in0.15 mm

N/A -458

BS457 KALREZ-90

N/A
188488

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 13.9751 in354.97 mm

N/A 0.006 in0.15 mm

N/A -457

BS456 KALREZ-90

N/A
188489

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 13.475 in342.27 mm

N/A 0.006 in0.15 mm

N/A -456

BS455 KALREZ-90

N/A
188490

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 12.975 in329.57 mm

N/A 0.006 in0.15 mm

N/A -455

BS454 KALREZ-90

N/A
188491

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 12.475 in316.87 mm

N/A 0.006 in0.15 mm

N/A -454

BS453 KALREZ-90

N/A
188492

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 11.975 in304.17 mm

N/A 0.006 in0.15 mm

N/A -453

BS452 KALREZ-90

N/A
188493

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 11.475 in291.47 mm

N/A 0.006 in0.15 mm

N/A -452

BS451 KALREZ-90

N/A
188494

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 10.975 in278.77 mm

N/A 0.006 in0.15 mm

N/A -451

BS450 KALREZ-90

N/A
188495

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 10.475 in266.07 mm

N/A 0.006 in0.15 mm

N/A -450

BS449 KALREZ-90

N/A
188496

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 9.975 in253.37 mm

N/A 0.006 in0.15 mm

N/A -449

BS448 KALREZ-90

N/A
188497

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 9.475 in240.67 mm

N/A 0.006 in0.15 mm

N/A -448

BS447 KALREZ-90

N/A
188498

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 8.975 in227.97 mm

N/A 0.006 in0.15 mm

N/A -447

BS446 KALREZ-90

N/A
188499

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 8.475 in215.27 mm

N/A 0.006 in0.15 mm

N/A -446

BS445 KALREZ-90

N/A
188500

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.975 in202.57 mm

N/A 0.006 in0.15 mm

N/A -445

BS444 KALREZ-90

N/A
188501

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.725 in196.22 mm

N/A 0.006 in0.15 mm

N/A -444

BS443 KALREZ-90

N/A
188502

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.475 in189.87 mm

N/A 0.006 in0.15 mm

N/A -443

BS442 KALREZ-90

N/A
188503

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.225 in183.52 mm

N/A 0.006 in0.15 mm

N/A -442

BS441 KALREZ-90

N/A
188504

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.975 in177.17 mm

N/A 0.006 in0.15 mm

N/A -441

BS440 KALREZ-90

N/A
188505

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.725 in170.82 mm

N/A 0.006 in0.15 mm

N/A -440

BS439 KALREZ-90

N/A
188506

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.475 in164.47 mm

N/A 0.006 in0.15 mm

N/A -439

BS438 KALREZ-90

N/A
188507

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.225 in158.12 mm

N/A 0.006 in0.15 mm

N/A -438

BS437 KALREZ-90

N/A
188508

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 5.975 in151.77 mm

N/A 0.006 in0.15 mm

N/A -437