In downstream oil and gas, LPG: a device that reduces vapor pressure of a cylinder at a constant outlet pressure for the system (footnote 21: PNS 1961:2011) [Section 3.46, Rule 3, DTI Department Administrative Order No. 22-11, Series of 2022, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
