Appendix G (informative) Method of locating gas pressure regulatorsFigure G.1 illustrates a recommended method of locating a cylinder regulator.Pigtails with gas flow rising toregulator inletCylinder valvesNOTE 1 Only copper pigtails or flexible hoses with low extractable content should be used.NOTE 2 The regulator should be located to permit drainage of any liquid back into the cylinder.Figure G.1 — Location of cylinder regulator