"1.percent valves for pipelines made of ferrous metals (steel), for application in potentially explosive atmospheres: -delivery number / size / code of material-name, dn / du (diameter of the conditional) - quantity (pieces): 4732c-065 -nc-p45-41-n2- sedanal valve mobile c-type, ll type, pneumatic,
"1.sidelni valves for pipes made from ferrous metals (steel) nedlya use in potentially explosive atmospheres: -kataloh number / size / material code-name, dn / rc (diameter conditional) - number (pcs): 4732c-065 -nc-p45-41-n2- semi valve mobile c-c-c type ll, air, du 065 1.4404 - 1pc; 4730c-040-nc-p