Buna (40IU)


  • Buna I-Line gasket
  • 8 published size options
  • Choose a size to identify the matching part number






The 40IU is a Buna I-Line gasket. Select the required size on this page. The reference below lists the published part number for each available size.

Buna I-Line Gasket Sizes and Part Numbers

Select a size above or open its matching part number below.

Size Part Number
1" 40IU-1
1-1/2" 40IU-15
2" 40IU-2
2-1/2" 40IU-25
3" 40IU-3
4" 40IU-4
6" 40IU-6
8" 40IU-8

Product Support & Distributor Inquiries

Match the connection style, gasket profile, size and material to your assembly. Explore I-Line Gaskets and related I-Line Fittings, or contact Wayland for help identifying gasket documentation.