ISO-KF O-ring

Description

The ISO-KF O-ring is an elastomer sealing component for ISO-KF vacuum connections. Available in FKM, CR, NBR, EPDM and VMQ silicone, the range covers DN10, DN16, DN20, DN25, DN32, DN40 and DN50.

All listed variants feature a 5 mm cross-section diameter. The inside diameter varies with the DN size, while the dimensions for each size remain consistent across all five materials.

Choose from 35 variants, each with a dedicated order number. Compare the material options and dimensions below, then request a quotation for the required size, elastomer and quantity.

Field Data
Product Name ISO-KF O-ring
System ISO-KF
Product Type Elastomer O-Ring
Available Materials FKM, CR, NBR, EPDM, VMQ silicone
Available Sizes DN10, DN16, DN20, DN25, DN32, DN40, DN50
Inside Diameter J, shown as ØJ in the drawing
Cross-Section Diameter ØA = 5 mm
Temperature Range — FKM −15 to +200 °C
Temperature Range — CR −40 to +100 °C
Temperature Range — NBR −25 to +120 °C
Temperature Range — EPDM / VMQ Confirm for the selected elastomer compound
Available Variants 35
ISO-KF O-ring in FKM, CR, NBR, EPDM and silicone. DN10–50 sizes with a 5 mm cross-section. Compare dimensions and order codes. Request a quote. FKM
Size (DN) J (mm) ØA (mm) Order No.
10 15 5 VCA07A1EL010
16 18 5 VCA07A1EL016
20 24 5 VCA07A1EL020
25 28 5 VCA07A1EL025
32 35 5 VCA07A1EL032
40 42 5 VCA07A1EL040
50 55 5 VCA07A1EL050
CR
Size (DN) J (mm) ØA (mm) Order No.
10 15 5 VCA07A2EL010
16 18 5 VCA07A2EL016
20 24 5 VCA07A2EL020
25 28 5 VCA07A2EL025
32 35 5 VCA07A2EL032
40 42 5 VCA07A2EL040
50 55 5 VCA07A2EL050
NBR
Size (DN) J (mm) ØA (mm) Order No.
10 15 5 VCA07A3EL010
16 18 5 VCA07A3EL016
20 24 5 VCA07A3EL020
25 28 5 VCA07A3EL025
32 35 5 VCA07A3EL032
40 42 5 VCA07A3EL040
50 55 5 VCA07A3EL050
EPDM
Size (DN) J (mm) ØA (mm) Order No.
10 15 5 VCA07A4EL010
16 18 5 VCA07A4EL016
20 24 5 VCA07A4EL020
25 28 5 VCA07A4EL025
32 35 5 VCA07A4EL032
40 42 5 VCA07A4EL040
50 55 5 VCA07A4EL050
VMQ Silicone
Size (DN) J (mm) ØA (mm) Order No.
10 15 5 VCA07A5EL010
16 18 5 VCA07A5EL016
20 24 5 VCA07A5EL020
25 28 5 VCA07A5EL025
32 35 5 VCA07A5EL032
40 42 5 VCA07A5EL040
50 55 5 VCA07A5EL050
ISO-KF O-ring in FKM, CR, NBR, EPDM and silicone. DN10–50 sizes with a 5 mm cross-section. Compare dimensions and order codes. Request a quote.
FKM
Size (DN) J (mm) ØA (mm)
10 15 5
16 18 5
20 24 5
25 28 5
32 35 5
40 42 5
50 55 5
CR
Size (DN) J (mm) ØA (mm)
10 15 5
16 18 5
20 24 5
25 28 5
32 35 5
40 42 5
50 55 5
NBR
Size (DN) J (mm) ØA (mm)
10 15 5
16 18 5
20 24 5
25 28 5
32 35 5
40 42 5
50 55 5
EPDM
Size (DN) J (mm) ØA (mm)
10 15 5
16 18 5
20 24 5
25 28 5
32 35 5
40 42 5
50 55 5
VMQ Silicone
Size (DN) J (mm) ØA (mm)
10 15 5
16 18 5
20 24 5
25 28 5
32 35 5
40 42 5
50 55 5

Download Datasheet from here