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
BS448 KALREZ-70	N/A 188034	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 9.475 in240.67 mm	N/A 0.006 in0.15 mm	N/A -448
BS447 KALREZ-70	N/A 188035	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 8.975 in227.97 mm	N/A 0.006 in0.15 mm	N/A -447
BS446 KALREZ-70	N/A 188036	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 8.475 in215.27 mm	N/A 0.006 in0.15 mm	N/A -446
BS445 KALREZ-70	N/A 188037	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 7.975 in202.57 mm	N/A 0.006 in0.15 mm	N/A -445
BS444 KALREZ-70	N/A 188038	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 7.725 in196.22 mm	N/A 0.006 in0.15 mm	N/A -444
BS443 KALREZ-70	N/A 188039	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 7.475 in189.87 mm	N/A 0.006 in0.15 mm	N/A -443
BS442 KALREZ-70	N/A 188040	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 7.225 in183.52 mm	N/A 0.006 in0.15 mm	N/A -442
BS441 KALREZ-70	N/A 188041	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 6.975 in177.17 mm	N/A 0.006 in0.15 mm	N/A -441
BS440 KALREZ-70	N/A 188042	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 6.725 in170.82 mm	N/A 0.006 in0.15 mm	N/A -440
BS439 KALREZ-70	N/A 188043	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 6.475 in164.47 mm	N/A 0.006 in0.15 mm	N/A -439
BS438 KALREZ-70	N/A 188044	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 6.225 in158.12 mm	N/A 0.006 in0.15 mm	N/A -438
BS437 KALREZ-70	N/A 188045	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.975 in151.77 mm	N/A 0.006 in0.15 mm	N/A -437
BS436 KALREZ-70	N/A 188046	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.850 in148.59 mm	N/A 0.006 in0.15 mm	N/A -436
BS435 KALREZ-70	N/A 188047	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.725 in145.42 mm	N/A 0.006 in0.15 mm	N/A -435
BS434 KALREZ-70	N/A 188048	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.75 in146.05 mm	N/A 0.006 in0.15 mm	N/A -434
BS433 KALREZ-70	N/A 188049	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.475 in139.07 mm	N/A 0.006 in0.15 mm	N/A -433
BS432 KALREZ-70	N/A 188050	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.350 in135.89 mm	N/A 0.006 in0.15 mm	N/A -432
BS431 KALREZ-70	N/A 188051	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.225 in132.72 mm	N/A 0.006 in0.15 mm	N/A -431
BS430 KALREZ-70	N/A 188052	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 5.100 in129.54 mm	N/A 0.006 in0.15 mm	N/A -430
BS429 KALREZ-70	N/A 188053	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 4.975 in126.37 mm	N/A 0.006 in0.15 mm	N/A -429
BS428 KALREZ-70	N/A 188054	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 4.850 in123.19 mm	N/A 0.006 in0.15 mm	N/A -428
BS427 KALREZ-70	N/A 188055	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 4.725 in120.02 mm	N/A 0.006 in0.15 mm	N/A -427
BS426 KALREZ-70	N/A 188056	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 4.75 in120.65 mm	N/A 0.006 in0.15 mm	N/A -426
BS425 KALREZ-70	N/A 188057	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 4.475 in113.67 mm	N/A 0.006 in0.15 mm	N/A -425
BS395 KALREZ-70	N/A 188058	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 70	N/A 25.940 in658.88 mm	N/A 0.005 in0.13 mm	N/A -395

N/A
188034

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 9.475 in240.67 mm

N/A 0.006 in0.15 mm

N/A -448

BS447 KALREZ-70

N/A
188035

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 8.975 in227.97 mm

N/A 0.006 in0.15 mm

N/A -447

BS446 KALREZ-70

N/A
188036

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 8.475 in215.27 mm

N/A 0.006 in0.15 mm

N/A -446

BS445 KALREZ-70

N/A
188037

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 7.975 in202.57 mm

N/A 0.006 in0.15 mm

N/A -445

BS444 KALREZ-70

N/A
188038

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 7.725 in196.22 mm

N/A 0.006 in0.15 mm

N/A -444

BS443 KALREZ-70

N/A
188039

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 7.475 in189.87 mm

N/A 0.006 in0.15 mm

N/A -443

BS442 KALREZ-70

N/A
188040

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 7.225 in183.52 mm

N/A 0.006 in0.15 mm

N/A -442

BS441 KALREZ-70

N/A
188041

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 6.975 in177.17 mm

N/A 0.006 in0.15 mm

N/A -441

BS440 KALREZ-70

N/A
188042

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 6.725 in170.82 mm

N/A 0.006 in0.15 mm

N/A -440

BS439 KALREZ-70

N/A
188043

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 6.475 in164.47 mm

N/A 0.006 in0.15 mm

N/A -439

BS438 KALREZ-70

N/A
188044

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 6.225 in158.12 mm

N/A 0.006 in0.15 mm

N/A -438

BS437 KALREZ-70

N/A
188045

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.975 in151.77 mm

N/A 0.006 in0.15 mm

N/A -437

BS436 KALREZ-70

N/A
188046

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.850 in148.59 mm

N/A 0.006 in0.15 mm

N/A -436

BS435 KALREZ-70

N/A
188047

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.725 in145.42 mm

N/A 0.006 in0.15 mm

N/A -435

BS434 KALREZ-70

N/A
188048

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.75 in146.05 mm

N/A 0.006 in0.15 mm

N/A -434

BS433 KALREZ-70

N/A
188049

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.475 in139.07 mm

N/A 0.006 in0.15 mm

N/A -433

BS432 KALREZ-70

N/A
188050

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.350 in135.89 mm

N/A 0.006 in0.15 mm

N/A -432

BS431 KALREZ-70

N/A
188051

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.225 in132.72 mm

N/A 0.006 in0.15 mm

N/A -431

BS430 KALREZ-70

N/A
188052

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 5.100 in129.54 mm

N/A 0.006 in0.15 mm

N/A -430

BS429 KALREZ-70

N/A
188053

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 4.975 in126.37 mm

N/A 0.006 in0.15 mm

N/A -429

BS428 KALREZ-70

N/A
188054

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 4.850 in123.19 mm

N/A 0.006 in0.15 mm

N/A -428

BS427 KALREZ-70

N/A
188055

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 4.725 in120.02 mm

N/A 0.006 in0.15 mm

N/A -427

BS426 KALREZ-70

N/A
188056

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 4.75 in120.65 mm

N/A 0.006 in0.15 mm

N/A -426

BS425 KALREZ-70

N/A
188057

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 4.475 in113.67 mm

N/A 0.006 in0.15 mm

N/A -425

BS395 KALREZ-70

N/A
188058

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 70

N/A 25.940 in658.88 mm

N/A 0.005 in0.13 mm

N/A -395