關於「Alco Expansion valve CATALOG」標籤，搜尋引擎有相關的訊息討論：

[PDF] Alco Controls - Thermo™-Expansion Valves T-, L-, 935-, ZZ-Seriesassets.alliedelec.com › Datasheets[PDF] Thermo™-Expansion Valves - DTN Groupwww.dtngroup.ro › data-files › cats › Catalog valve exapnsiune AlcoAlco Controls: Thermo ™-Expansion Valves T-, L-, 935-, ZZ-Seriesw