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
BS267 KALREZ-70	N/A 188159	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 8.234 in209.14 mm	N/A 0.004 in0.10 mm	N/A -267
BS266 KALREZ-70	N/A 188160	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 7.984 in202.79 mm	N/A 0.004 in0.10 mm	N/A -266
BS265 KALREZ-70	N/A 188161	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 7.734 in196.44 mm	N/A 0.004 in0.10 mm	N/A -265
BS264 KALREZ-70	N/A 188162	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 7.484 in190.09 mm	N/A 0.004 in0.10 mm	N/A -264
BS263 KALREZ-70	N/A 188163	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 7.234 in183.74 mm	N/A 0.004 in0.10 mm	N/A -263
BS262 KALREZ-70	N/A 188164	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 6.984 in177.39 mm	N/A 0.004 in0.10 mm	N/A -262
BS261 KALREZ-70	N/A 188165	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 6.734 in171.04 mm	N/A 0.004 in0.10 mm	N/A -261
BS275 KALREZ-70	N/A 188166	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 6.484 in164.69 mm	N/A 0.004 in0.10 mm	N/A -275
BS259 KALREZ-70	N/A 188167	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 6.234 in158.34 mm	N/A 0.004 in0.10 mm	N/A -259
BS258 KALREZ-70	N/A 188168	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.984 in151.99 mm	N/A 0.004 in0.10 mm	N/A -258
BS257 KALREZ-70	N/A 188169	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.859 in148.82 mm	N/A 0.004 in0.10 mm	N/A -257
BS256 KALREZ-70	N/A 188170	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.734 in145.64 mm	N/A 0.004 in0.10 mm	N/A -256
BS255 KALREZ-70	N/A 188171	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.759 in146.28 mm	N/A 0.004 in0.10 mm	N/A -255
BS254 KALREZ-70	N/A 188172	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.484 in139.29 mm	N/A 0.004 in0.10 mm	N/A -254
BS253 KALREZ-70	N/A 188173	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.359 in136.12 mm	N/A 0.004 in0.10 mm	N/A -253
BS252 KALREZ-70	N/A 188174	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.234 in132.94 mm	N/A 0.004 in0.10 mm	N/A -252
BS251 KALREZ-70	N/A 188175	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 5.109 in129.77 mm	N/A 0.004 in0.10 mm	N/A -251
BS250 KALREZ-70	N/A 188176	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.984 in126.59 mm	N/A 0.004 in0.10 mm	N/A -250
BS249 KALREZ-70	N/A 188177	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.859 in123.42 mm	N/A 0.004 in0.10 mm	N/A -249
BS248 KALREZ-70	N/A 188178	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.734 in120.24 mm	N/A 0.004 in0.10 mm	N/A -248
BS247 KALREZ-70	N/A 188179	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.759 in120.88 mm	N/A 0.004 in0.10 mm	N/A -247
BS246 KALREZ-70	N/A 188180	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.484 in113.89 mm	N/A 0.004 in0.10 mm	N/A -246
BS245 KALREZ-70	N/A 188181	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.359 in110.72 mm	N/A 0.004 in0.10 mm	N/A -245
BS244 KALREZ-70	N/A 188182	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.234 in107.54 mm	N/A 0.004 in0.10 mm	N/A -244
BS243 KALREZ-70	N/A 188183	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.139 in3.53 mm	N/A 70	N/A 4.109 in104.37 mm	N/A 0.004 in0.10 mm	N/A -243

N/A
188159

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 8.234 in209.14 mm

N/A 0.004 in0.10 mm

N/A -267

BS266 KALREZ-70

N/A
188160

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 7.984 in202.79 mm

N/A 0.004 in0.10 mm

N/A -266

BS265 KALREZ-70

N/A
188161

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 7.734 in196.44 mm

N/A 0.004 in0.10 mm

N/A -265

BS264 KALREZ-70

N/A
188162

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 7.484 in190.09 mm

N/A 0.004 in0.10 mm

N/A -264

BS263 KALREZ-70

N/A
188163

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 7.234 in183.74 mm

N/A 0.004 in0.10 mm

N/A -263

BS262 KALREZ-70

N/A
188164

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 6.984 in177.39 mm

N/A 0.004 in0.10 mm

N/A -262

BS261 KALREZ-70

N/A
188165

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 6.734 in171.04 mm

N/A 0.004 in0.10 mm

N/A -261

BS275 KALREZ-70

N/A
188166

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 6.484 in164.69 mm

N/A 0.004 in0.10 mm

N/A -275

BS259 KALREZ-70

N/A
188167

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 6.234 in158.34 mm

N/A 0.004 in0.10 mm

N/A -259

BS258 KALREZ-70

N/A
188168

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.984 in151.99 mm

N/A 0.004 in0.10 mm

N/A -258

BS257 KALREZ-70

N/A
188169

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.859 in148.82 mm

N/A 0.004 in0.10 mm

N/A -257

BS256 KALREZ-70

N/A
188170

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.734 in145.64 mm

N/A 0.004 in0.10 mm

N/A -256

BS255 KALREZ-70

N/A
188171

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.759 in146.28 mm

N/A 0.004 in0.10 mm

N/A -255

BS254 KALREZ-70

N/A
188172

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.484 in139.29 mm

N/A 0.004 in0.10 mm

N/A -254

BS253 KALREZ-70

N/A
188173

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.359 in136.12 mm

N/A 0.004 in0.10 mm

N/A -253

BS252 KALREZ-70

N/A
188174

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.234 in132.94 mm

N/A 0.004 in0.10 mm

N/A -252

BS251 KALREZ-70

N/A
188175

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 5.109 in129.77 mm

N/A 0.004 in0.10 mm

N/A -251

BS250 KALREZ-70

N/A
188176

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.984 in126.59 mm

N/A 0.004 in0.10 mm

N/A -250

BS249 KALREZ-70

N/A
188177

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.859 in123.42 mm

N/A 0.004 in0.10 mm

N/A -249

BS248 KALREZ-70

N/A
188178

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.734 in120.24 mm

N/A 0.004 in0.10 mm

N/A -248

BS247 KALREZ-70

N/A
188179

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.759 in120.88 mm

N/A 0.004 in0.10 mm

N/A -247

BS246 KALREZ-70

N/A
188180

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.484 in113.89 mm

N/A 0.004 in0.10 mm

N/A -246

BS245 KALREZ-70

N/A
188181

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.359 in110.72 mm

N/A 0.004 in0.10 mm

N/A -245

BS244 KALREZ-70

N/A
188182

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.234 in107.54 mm

N/A 0.004 in0.10 mm

N/A -244

BS243 KALREZ-70

N/A
188183

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.139 in3.53 mm

N/A 70

N/A 4.109 in104.37 mm

N/A 0.004 in0.10 mm

N/A -243