White Buna (40MPUW)


  • White Buna Type-1 sanitary clamp gasket.
  • Available in 12 listed sizes; select the exact size below.
  • Use the linked size and part-number table below to find the matching variation.






40MPUW is the White Buna standard clamp gasket family. Select a size above or use the linked part-number reference below to open the corresponding variation.

White Buna Clamp Gasket

Basic Type-1 clamp gasket profile drawing. Click to view it larger. Dimensions are not shown in this drawing.

Basic profile drawing for a Type-1 sanitary clamp gasket

Size and Part Number Reference

Click a part number to select that size on this product page.

Clamp size Part number
1/2″ 42MPUW-.50
3/4″ 42MPUW-.75
1″ 40MPUW-1
1-1/2″ 40MPUW-15
2″ 40MPUW-2
2-1/2″ 40MPUW-25
3″ 40MPUW-3
4″ 40MPUW-4
6″ 40MPUW-6
8″ 40MPUW-8
10″ 40MPUW-10
12″ 40MPUW-12

Product Support & Distributor Inquiries

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