Bellows-sealed valves made of aluminium alloy or stainless steel type 304, 304L or 316L. Note: This item does not cover bellow valves defined in 0B001.c.6 and 2A226.

Valves having all of the following characteristics: a. A ‘nominal size’ of 5 mm or greater; b. Having a bellows seal; and c. Wholly made of or lined with aluminium, aluminium alloy, nickel, or nickel alloy containing more than 60 % nickel by weight. Technical Note: For valves with different inlet and outlet diameters, the ‘nominal size’ in 2A226 refers to the smallest diameter.

Vacuum valves, piping, flanges, gaskets and related equipment specially designed for use in high-vacuum service (0,1 Pa or lower pressure)

Bellows-sealed valves other than those specified in 0B001.c.6., 2A226 or 2B350, made of aluminium alloy or stainless steel type 304, 304L or 316L.

Monel equipment, including valves, piping, tanks and vessels (pipes and valves greater than 8-in diameter and rated for 500 psi and tanks greater than 500 l)

Vacuum valves, piping, flanges, gaskets and related equipment specially designed for use in high-vacuum service (0,1 Pa or lower pressure)

Program information