IAPMO IGC 239-2014（R2020）覆盖物:铝-聚丙烯（AL-PP）复合管，由挤压聚丙烯（PP）芯组成，周围由焊接铝（AL）管组成，铝管由熔胶连接；以及用于铝-聚丙烯复合管的配件。本标准涵盖的管道系统拟用于住宅和商业:冷热水供应和分配系统；消防系统；辐射板供暖系统和循环底板供暖系统；压缩空气分配系统；和气体分配系统；额定压力:23°C（73°F）时1600 kPA（232 psi）；82°C（180°F）时为860 kPa（125 psi）； 奥博思。

IAPMO IGC 239-2014 (R2020) covers:aluminum-polypropylene (AL-PP) composite pipe consisting of a core of extruded polypropylene (PP) surrounded by a welded aluminum (AL) tube joined by a melt adhesive; andfittings intended for use with the AL-PP composite pipe.Piping systems covered by this Standard are intended for use in residential and commercial:hot- and cold-water supply and distribution systems;fire protection systems;radiant panel heating systems and hydronic baseboard heating systems;compressed air distribution systems; andgas distribution systems;and pressure-rated for:1,600 kPA (232 psi) at 23 °C (73 °F);860 kPa (125 psi) at 82 °C (180 °F); orboth.