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
BS255 KALREZ-90	N/A 188634	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 5.759 in146.28 mm	N/A 0.004 in0.10 mm	N/A -255
BS254 KALREZ-90	N/A 188635	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 5.484 in139.29 mm	N/A 0.004 in0.10 mm	N/A -254
BS253 KALREZ-90	N/A 188636	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 5.359 in136.12 mm	N/A 0.004 in0.10 mm	N/A -253
BS252 KALREZ-90	N/A 188637	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 5.234 in132.94 mm	N/A 0.004 in0.10 mm	N/A -252
BS251 KALREZ-90	N/A 188638	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 5.109 in129.77 mm	N/A 0.004 in0.10 mm	N/A -251
BS250 KALREZ-90	N/A 188639	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.984 in126.59 mm	N/A 0.004 in0.10 mm	N/A -250
BS249 KALREZ-90	N/A 188640	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.859 in123.42 mm	N/A 0.004 in0.10 mm	N/A -249
BS248 KALREZ-90	N/A 188641	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.734 in120.24 mm	N/A 0.004 in0.10 mm	N/A -248
BS247 KALREZ-90	N/A 188642	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.759 in120.88 mm	N/A 0.004 in0.10 mm	N/A -247
BS246 KALREZ-90	N/A 188643	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.484 in113.89 mm	N/A 0.004 in0.10 mm	N/A -246
BS245 KALREZ-90	N/A 188644	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.359 in110.72 mm	N/A 0.004 in0.10 mm	N/A -245
BS244 KALREZ-90	N/A 188645	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.234 in107.54 mm	N/A 0.004 in0.10 mm	N/A -244
BS243 KALREZ-90	N/A 188646	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 4.109 in104.37 mm	N/A 0.004 in0.10 mm	N/A -243
BS242 KALREZ-90	N/A 188647	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.984 in101.19 mm	N/A 0.004 in0.10 mm	N/A -242
BS241 KALREZ-90	N/A 188648	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.859 in98.02 mm	N/A 0.004 in0.10 mm	N/A -241
BS240 KALREZ-90	N/A 188649	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.734 in94.84 mm	N/A 0.004 in0.10 mm	N/A -240
BS239 KALREZ-90	N/A 188650	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.759 in95.48 mm	N/A 0.004 in0.10 mm	N/A -239
BS238 KALREZ-90	N/A 188651	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.484 in88.49 mm	N/A 0.004 in0.10 mm	N/A -238
BS237 KALREZ-90	N/A 188652	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.359 in85.32 mm	N/A 0.004 in0.10 mm	N/A -237
BS236 KALREZ-90	N/A 188653	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.234 in82.14 mm	N/A 0.004 in0.10 mm	N/A -236
BS235 KALREZ-90	N/A 188654	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 3.109 in78.97 mm	N/A 0.004 in0.10 mm	N/A -235
BS234 KALREZ-90	N/A 188655	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.984 in75.79 mm	N/A 0.004 in0.10 mm	N/A -234
BS233 KALREZ-90	N/A 188656	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.859 in72.62 mm	N/A 0.004 in0.10 mm	N/A -233
BS232 KALREZ-90	N/A 188657	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.734 in69.44 mm	N/A 0.004 in0.10 mm	N/A -232
BS231 KALREZ-90	N/A 188658	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 90	N/A 2.759 in70.08 mm	N/A 0.004 in0.10 mm	N/A -231

N/A
188634

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 5.759 in146.28 mm

N/A 0.004 in0.10 mm

N/A -255

BS254 KALREZ-90

N/A
188635

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 5.484 in139.29 mm

N/A 0.004 in0.10 mm

N/A -254

BS253 KALREZ-90

N/A
188636

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 5.359 in136.12 mm

N/A 0.004 in0.10 mm

N/A -253

BS252 KALREZ-90

N/A
188637

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 5.234 in132.94 mm

N/A 0.004 in0.10 mm

N/A -252

BS251 KALREZ-90

N/A
188638

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 5.109 in129.77 mm

N/A 0.004 in0.10 mm

N/A -251

BS250 KALREZ-90

N/A
188639

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.984 in126.59 mm

N/A 0.004 in0.10 mm

N/A -250

BS249 KALREZ-90

N/A
188640

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.859 in123.42 mm

N/A 0.004 in0.10 mm

N/A -249

BS248 KALREZ-90

N/A
188641

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.734 in120.24 mm

N/A 0.004 in0.10 mm

N/A -248

BS247 KALREZ-90

N/A
188642

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.759 in120.88 mm

N/A 0.004 in0.10 mm

N/A -247

BS246 KALREZ-90

N/A
188643

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.484 in113.89 mm

N/A 0.004 in0.10 mm

N/A -246

BS245 KALREZ-90

N/A
188644

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.359 in110.72 mm

N/A 0.004 in0.10 mm

N/A -245

BS244 KALREZ-90

N/A
188645

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.234 in107.54 mm

N/A 0.004 in0.10 mm

N/A -244

BS243 KALREZ-90

N/A
188646

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 4.109 in104.37 mm

N/A 0.004 in0.10 mm

N/A -243

BS242 KALREZ-90

N/A
188647

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.984 in101.19 mm

N/A 0.004 in0.10 mm

N/A -242

BS241 KALREZ-90

N/A
188648

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.859 in98.02 mm

N/A 0.004 in0.10 mm

N/A -241

BS240 KALREZ-90

N/A
188649

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.734 in94.84 mm

N/A 0.004 in0.10 mm

N/A -240

BS239 KALREZ-90

N/A
188650

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.759 in95.48 mm

N/A 0.004 in0.10 mm

N/A -239

BS238 KALREZ-90

N/A
188651

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.484 in88.49 mm

N/A 0.004 in0.10 mm

N/A -238

BS237 KALREZ-90

N/A
188652

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.359 in85.32 mm

N/A 0.004 in0.10 mm

N/A -237

BS236 KALREZ-90

N/A
188653

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.234 in82.14 mm

N/A 0.004 in0.10 mm

N/A -236

BS235 KALREZ-90

N/A
188654

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 3.109 in78.97 mm

N/A 0.004 in0.10 mm

N/A -235

BS234 KALREZ-90

N/A
188655

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.984 in75.79 mm

N/A 0.004 in0.10 mm

N/A -234

BS233 KALREZ-90

N/A
188656

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.859 in72.62 mm

N/A 0.004 in0.10 mm

N/A -233

BS232 KALREZ-90

N/A
188657

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.734 in69.44 mm

N/A 0.004 in0.10 mm

N/A -232

BS231 KALREZ-90

N/A
188658

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 90

N/A 2.759 in70.08 mm

N/A 0.004 in0.10 mm

N/A -231