NS EN 303-4 Ed. 1
NS EN 303-4 Ed. 1 标准详情
- 标准号：NS EN 303-4 Ed. 1
- 中文标题：
- 英文标题：Heating Boilers - Part 4: Heating Boilers With Forced Draught Burners - Special Requirements With Forced Draught Oil Burners With Outputs Up To 70kw And Maximum Operating Pressure Of 3 Bar - Terminology, Special Requirements, Testing And Marking
- 标准类别：挪威标准NS
- 发布日期：
内容简介
Applies to heating boilers with forced draught oil burners up to a nominal heat output of 70 kW, which are operated either with negative pressure (natural draught boiler) or with positive pressure (pressurized boiler) in the combustion chamber, accor
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