这些要求包括固定式液化石油气（LP）汽化器。这些要求涵盖的汽化器用于丙烷系统中的使用和安装 以及天然气和丙烷安装规范CAN/CSA-B149所涵盖的应用。一是 加拿大丙烷储存和处理代码，CAN/CSA-B149。2.安装在设备中的电气部件 符合加拿大电气规范CSA C22。1，第一部分。或本作战需求文件中涵盖的附件。

These requirements cover liquefied petroleum gas (LP-Gas) vaporizers of the stationary type.Vaporizers covered by these requirements are intended for use, and installation in propane systems and applications covered by the Natural Gas and Propane Installation Code, CAN/CSA-B149.1, the Canadian Propane Storage and Handling Code, CAN/CSA-B149.2 and electrical components installed in accordance with the Canadian Electrical Code, CSA C22.1, Part I. or accessories as covered in this ORD.