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
BS452A KALREZ-70	N/A 188359	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 11.725 in297.82 mm	N/A 0.006 in0.15 mm	N/A -452A
BS903 KALREZ-90	N/A 188360	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.064 in1.63 mm	N/A 90	N/A 0.301 in7.65 mm	N/A 0.003 in0.08 mm	N/A -903
BS902 KALREZ-90	N/A 188361	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.064 in1.63 mm	N/A 90	N/A 0.239 in6.07 mm	N/A 0.003 in0.08 mm	N/A -902
BS886 KALREZ-90	N/A 188362	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.875 in200.03 mm	N/A 0.006 in0.15 mm	N/A -886
BS884 KALREZ-90	N/A 188363	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.625 in193.68 mm	N/A 0.006 in0.15 mm	N/A -884
BS882 KALREZ-90	N/A 188364	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.375 in187.33 mm	N/A 0.006 in0.15 mm	N/A -882
BS880 KALREZ-90	N/A 188365	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 7.125 in180.98 mm	N/A 0.006 in0.15 mm	N/A -880
BS878 KALREZ-90	N/A 188366	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.875 in174.63 mm	N/A 0.006 in0.15 mm	N/A -878
BS876 KALREZ-90	N/A 188367	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.625 in168.28 mm	N/A 0.006 in0.15 mm	N/A -876
BS874 KALREZ-90	N/A 188368	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.375 in161.93 mm	N/A 0.006 in0.15 mm	N/A -874
BS872 KALREZ-90	N/A 188369	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 90	N/A 6.125 in155.58 mm	N/A 0.006 in0.15 mm	N/A -872
BS870 KALREZ-90	N/A 188370	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.875 in149.23 mm	N/A 0.005 in0.13 mm	N/A -870
BS869 KALREZ-90	N/A 188371	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.75 in146.05 mm	N/A 0.005 in0.13 mm	N/A -869
BS868 KALREZ-90	N/A 188372	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.625 in142.88 mm	N/A 0.005 in0.13 mm	N/A -868
BS867 KALREZ-90	N/A 188373	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.5 in139.70 mm	N/A 0.005 in0.13 mm	N/A -867
BS866 KALREZ-90	N/A 188374	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.375 in136.53 mm	N/A 0.005 in0.13 mm	N/A -866
BS865 KALREZ-90	N/A 188375	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.25 in133.35 mm	N/A 0.005 in0.13 mm	N/A -865
BS864 KALREZ-90	N/A 188376	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.125 in130.18 mm	N/A 0.005 in0.13 mm	N/A -864
BS863 KALREZ-90	N/A 188377	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 5.000 in127.00 mm	N/A 0.005 in0.13 mm	N/A -863
BS862 KALREZ-90	N/A 188378	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.875 in123.83 mm	N/A 0.005 in0.13 mm	N/A -862
BS861 KALREZ-90	N/A 188379	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.75 in120.65 mm	N/A 0.005 in0.13 mm	N/A -861
BS875 KALREZ-90	N/A 188380	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.210 in5.33 mm	N/A 90	N/A 4.625 in117.48 mm	N/A 0.005 in0.13 mm	N/A -875
BS846 KALREZ-90	N/A 188381	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.937 in74.60 mm	N/A 0.004 in0.10 mm	N/A -846
BS845 KALREZ-90	N/A 188382	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.875 in73.03 mm	N/A 0.004 in0.10 mm	N/A -845
BS844 KALREZ-90	N/A 188383	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.813 in71.45 mm	N/A 0.004 in0.10 mm	N/A -844

N/A
188359

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 11.725 in297.82 mm

N/A 0.006 in0.15 mm

N/A -452A

BS903 KALREZ-90

N/A
188360

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.064 in1.63 mm

N/A 90

N/A 0.301 in7.65 mm

N/A 0.003 in0.08 mm

N/A -903

BS902 KALREZ-90

N/A
188361

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.064 in1.63 mm

N/A 90

N/A 0.239 in6.07 mm

N/A 0.003 in0.08 mm

N/A -902

BS886 KALREZ-90

N/A
188362

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.875 in200.03 mm

N/A 0.006 in0.15 mm

N/A -886

BS884 KALREZ-90

N/A
188363

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.625 in193.68 mm

N/A 0.006 in0.15 mm

N/A -884

BS882 KALREZ-90

N/A
188364

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.375 in187.33 mm

N/A 0.006 in0.15 mm

N/A -882

BS880 KALREZ-90

N/A
188365

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 7.125 in180.98 mm

N/A 0.006 in0.15 mm

N/A -880

BS878 KALREZ-90

N/A
188366

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.875 in174.63 mm

N/A 0.006 in0.15 mm

N/A -878

BS876 KALREZ-90

N/A
188367

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.625 in168.28 mm

N/A 0.006 in0.15 mm

N/A -876

BS874 KALREZ-90

N/A
188368

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.375 in161.93 mm

N/A 0.006 in0.15 mm

N/A -874

BS872 KALREZ-90

N/A
188369

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 90

N/A 6.125 in155.58 mm

N/A 0.006 in0.15 mm

N/A -872

BS870 KALREZ-90

N/A
188370

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.875 in149.23 mm

N/A 0.005 in0.13 mm

N/A -870

BS869 KALREZ-90

N/A
188371

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.75 in146.05 mm

N/A 0.005 in0.13 mm

N/A -869

BS868 KALREZ-90

N/A
188372

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.625 in142.88 mm

N/A 0.005 in0.13 mm

N/A -868

BS867 KALREZ-90

N/A
188373

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.5 in139.70 mm

N/A 0.005 in0.13 mm

N/A -867

BS866 KALREZ-90

N/A
188374

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.375 in136.53 mm

N/A 0.005 in0.13 mm

N/A -866

BS865 KALREZ-90

N/A
188375

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.25 in133.35 mm

N/A 0.005 in0.13 mm

N/A -865

BS864 KALREZ-90

N/A
188376

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.125 in130.18 mm

N/A 0.005 in0.13 mm

N/A -864

BS863 KALREZ-90

N/A
188377

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 5.000 in127.00 mm

N/A 0.005 in0.13 mm

N/A -863

BS862 KALREZ-90

N/A
188378

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.875 in123.83 mm

N/A 0.005 in0.13 mm

N/A -862

BS861 KALREZ-90

N/A
188379

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.75 in120.65 mm

N/A 0.005 in0.13 mm

N/A -861

BS875 KALREZ-90

N/A
188380

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.210 in5.33 mm

N/A 90

N/A 4.625 in117.48 mm

N/A 0.005 in0.13 mm

N/A -875

BS846 KALREZ-90

N/A
188381

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.937 in74.60 mm

N/A 0.004 in0.10 mm

N/A -846

BS845 KALREZ-90

N/A
188382

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.875 in73.03 mm

N/A 0.004 in0.10 mm

N/A -845

BS844 KALREZ-90

N/A
188383

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.813 in71.45 mm

N/A 0.004 in0.10 mm

N/A -844