共找到 150 條與 直供式系統(tǒng) 相關(guān)的標準，共 10 頁
本標準規(guī)定了電加熱鍋爐系統(tǒng)經(jīng)濟運行的術(shù)語與定義、基本要求、運行管理、技術(shù)經(jīng)濟指標、測試與計算方法和考核。 本標準適用于供電電源為工頻380V 等級,額定蒸發(fā)量大于或等于0.07t/h的以水為介質(zhì)的電加熱蒸汽鍋爐和額定熱功率大于或等于0.05MW 的電加熱熱水鍋爐系統(tǒng)的工程設(shè)計、施工與運行
Economical operation for electric boiler system
本標準規(guī)范了電供暖系統(tǒng)的運行條件、運行操作，以及電供暖設(shè)備、監(jiān)控系統(tǒng)等設(shè)施維護要求，也規(guī)范了電供暖系統(tǒng)運行維護、啟停機、檢驗與維修等方面要求。 本標準適用于電供暖系統(tǒng)設(shè)備的運行和維護等
Technical Specifications for Electric Heating Systems Part 9: Operation and Maintenance
This European Standard specifies basic functional requirements for surveillance systems for district heating pipe systems, specific requirements
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems
This European Standard specifies basic functional requirements for surveillance systems for district heating pipe systems, specific requirements
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems; German version EN 14419:2003
本文件規(guī)定了直接埋設(shè)熱水管網(wǎng)監(jiān)測系統(tǒng)的要求和測試方法，根據(jù)prEN 13941-1。 本文件規(guī)定了測量元件的制造要求，包括工廠制造的粘接管、配件和閥門組件以及現(xiàn)場安裝測量元件的要求。 本文件中描述的所有要求和推薦基于現(xiàn)有監(jiān)測系統(tǒng)及其主要功能的經(jīng)驗。 特定要求僅適用于作為管道、閥門、配件和接頭組成部分
District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems
240V power frequency DC power supply system
Heating systems in buildings - Design and installation of direct electric heating systems
Pressure booster for direct water supply
本標準規(guī)定了地鐵直流牽引供電系統(tǒng)中供電制式、牽引電壓等級、變電所及接觸網(wǎng)的各項性能指標和設(shè)備運行指標等。 本標準適用于城市地鐵的直流牽引供電系統(tǒng)
D.C.traction power supply system for subway
336V DC power supply system for communications
240V DC power supply system for communications
本標準規(guī)定了通信用240V直流供電系統(tǒng)（以下簡稱系統(tǒng)）的組成、系列、技術(shù)要求、試驗方法、檢驗規(guī)則、標志、包裝、運輸和儲存。 本標準適用于通信局站和數(shù)據(jù)機房中向通信設(shè)備供電，標稱電壓為240V的直流供電系統(tǒng)
240V direct current power supply system for telecommunications
This SAE Aerospace Information Report (AIR) describes the general operating principles of demand oxygen equipment, including variant types
Demand Oxygen Systems
