scope:

This European Standard applies to the following parts of supply systems for the automatic liquid fuel supply of consuming units from one or more tanks: a) isolating valve; b) quick-acting valve; c) switch-over valve; d) forced switch-over valve; e) check valve; f) pressure compensating device; g) discharge valve; h) pressure reducer; i) filter; j) meter; k) de-aerator; l) anti-siphon safety device; m) pressure retaining device; n) isolation device; o) pressure gauge; p) vapour/air separator; q) pressure control path; r) combined part s) other part.