ISO 20766-14:2022 pdf download – Road vehicles — Liquefied petroleum gas (LPG) fuel system components — Part 14: Vaporizer/pressure regulator. b) Cycle the inlet pressure of the regulator for 1 % of the total number of cycles at room temperature from 100 % to 50 % of the working pressure. The duration of each cycle shall be no less than 10 s. c) The regulator shall comply with 6.3 at room temperature at the completion of this test. d) Repeat the cycling procedure of a) at 120 °C at the working pressure for 1 % of the total number of...