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
BS561 KALREZ-70	N/A 187984	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.72 in170.69 mm	N/A 0.003 in0.08 mm	N/A -561
BS575 KALREZ-70	N/A 187985	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.695 in170.05 mm	N/A 0.003 in0.08 mm	N/A -575
BS559 KALREZ-70	N/A 187986	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.470 in164.34 mm	N/A 0.003 in0.08 mm	N/A -559
BS558 KALREZ-70	N/A 187987	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.345 in161.16 mm	N/A 0.003 in0.08 mm	N/A -558
BS557 KALREZ-70	N/A 187988	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.22 in157.99 mm	N/A 0.003 in0.08 mm	N/A -557
BS556 KALREZ-70	N/A 187989	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 6.095 in154.81 mm	N/A 0.003 in0.08 mm	N/A -556
BS555 KALREZ-70	N/A 187990	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.97 in151.64 mm	N/A 0.003 in0.08 mm	N/A -555
BS554 KALREZ-70	N/A 187991	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.845 in148.46 mm	N/A 0.003 in0.08 mm	N/A -554
BS553 KALREZ-70	N/A 187992	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.72 in145.29 mm	N/A 0.003 in0.08 mm	N/A -553
BS552 KALREZ-70	N/A 187993	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.595 in142.11 mm	N/A 0.003 in0.08 mm	N/A -552
BS551 KALREZ-70	N/A 187994	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.47 in138.94 mm	N/A 0.003 in0.08 mm	N/A -551
BS550 KALREZ-70	N/A 187995	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.345 in135.76 mm	N/A 0.003 in0.08 mm	N/A -550
BS548 KALREZ-70	N/A 187996	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 5.095 in129.41 mm	N/A 0.003 in0.08 mm	N/A -548
BS546 KALREZ-70	N/A 187997	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 4.86 in123.44 mm	N/A 0.003 in0.08 mm	N/A -546
BS544 KALREZ-70	N/A 187998	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 4.61 in117.09 mm	N/A 0.003 in0.08 mm	N/A -544
BS542 KALREZ-70	N/A 187999	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 4.36 in110.74 mm	N/A 0.003 in0.08 mm	N/A -542
BS540 KALREZ-70	N/A 188000	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 4.110 in104.39 mm	N/A 0.003 in0.08 mm	N/A -540
BS538 KALREZ-70	N/A 188001	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 3.86 in98.04 mm	N/A 0.003 in0.08 mm	N/A -538
BS536 KALREZ-70	N/A 188002	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 3.61 in91.69 mm	N/A 0.003 in0.08 mm	N/A -536
BS534 KALREZ-70	N/A 188003	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 3.36 in85.34 mm	N/A 0.003 in0.08 mm	N/A -534
BS532 KALREZ-70	N/A 188004	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 3.11 in78.99 mm	N/A 0.003 in0.08 mm	N/A -532
BS519 KALREZ-70	N/A 188005	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 1.553 in39.45 mm	N/A 0.003 in0.08 mm	N/A -519
BS517 KALREZ-70	N/A 188006	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.070 in1.78 mm	N/A 70	N/A 1.428 in36.27 mm	N/A 0.003 in0.08 mm	N/A -517
BS475 KALREZ-70	N/A 188007	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 25.9401 in658.88 mm	N/A 0.006 in0.15 mm	N/A -475
BS474 KALREZ-70	N/A 188008	N/A BS Standard O-Ring	N/A Perfluoroelastomer	N/A 0.275 in6.99 mm	N/A 70	N/A 24.940 in633.48 mm	N/A 0.006 in0.15 mm	N/A -474

N/A
187984

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.72 in170.69 mm

N/A 0.003 in0.08 mm

N/A -561

BS575 KALREZ-70

N/A
187985

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.695 in170.05 mm

N/A 0.003 in0.08 mm

N/A -575

BS559 KALREZ-70

N/A
187986

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.470 in164.34 mm

N/A 0.003 in0.08 mm

N/A -559

BS558 KALREZ-70

N/A
187987

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.345 in161.16 mm

N/A 0.003 in0.08 mm

N/A -558

BS557 KALREZ-70

N/A
187988

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.22 in157.99 mm

N/A 0.003 in0.08 mm

N/A -557

BS556 KALREZ-70

N/A
187989

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 6.095 in154.81 mm

N/A 0.003 in0.08 mm

N/A -556

BS555 KALREZ-70

N/A
187990

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.97 in151.64 mm

N/A 0.003 in0.08 mm

N/A -555

BS554 KALREZ-70

N/A
187991

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.845 in148.46 mm

N/A 0.003 in0.08 mm

N/A -554

BS553 KALREZ-70

N/A
187992

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.72 in145.29 mm

N/A 0.003 in0.08 mm

N/A -553

BS552 KALREZ-70

N/A
187993

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.595 in142.11 mm

N/A 0.003 in0.08 mm

N/A -552

BS551 KALREZ-70

N/A
187994

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.47 in138.94 mm

N/A 0.003 in0.08 mm

N/A -551

BS550 KALREZ-70

N/A
187995

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.345 in135.76 mm

N/A 0.003 in0.08 mm

N/A -550

BS548 KALREZ-70

N/A
187996

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 5.095 in129.41 mm

N/A 0.003 in0.08 mm

N/A -548

BS546 KALREZ-70

N/A
187997

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 4.86 in123.44 mm

N/A 0.003 in0.08 mm

N/A -546

BS544 KALREZ-70

N/A
187998

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 4.61 in117.09 mm

N/A 0.003 in0.08 mm

N/A -544

BS542 KALREZ-70

N/A
187999

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 4.36 in110.74 mm

N/A 0.003 in0.08 mm

N/A -542

BS540 KALREZ-70

N/A
188000

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 4.110 in104.39 mm

N/A 0.003 in0.08 mm

N/A -540

BS538 KALREZ-70

N/A
188001

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 3.86 in98.04 mm

N/A 0.003 in0.08 mm

N/A -538

BS536 KALREZ-70

N/A
188002

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 3.61 in91.69 mm

N/A 0.003 in0.08 mm

N/A -536

BS534 KALREZ-70

N/A
188003

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 3.36 in85.34 mm

N/A 0.003 in0.08 mm

N/A -534

BS532 KALREZ-70

N/A
188004

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 3.11 in78.99 mm

N/A 0.003 in0.08 mm

N/A -532

BS519 KALREZ-70

N/A
188005

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 1.553 in39.45 mm

N/A 0.003 in0.08 mm

N/A -519

BS517 KALREZ-70

N/A
188006

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.070 in1.78 mm

N/A 70

N/A 1.428 in36.27 mm

N/A 0.003 in0.08 mm

N/A -517

BS475 KALREZ-70

N/A
188007

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 25.9401 in658.88 mm

N/A 0.006 in0.15 mm

N/A -475

BS474 KALREZ-70

N/A
188008

N/A BS Standard O-Ring

N/A Perfluoroelastomer

N/A 0.275 in6.99 mm

N/A 70

N/A 24.940 in633.48 mm

N/A 0.006 in0.15 mm

N/A -474