UL 441-1996
排气孔

Gas vents


UL 441-1996 发布历史

These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.Types B gas vents are also intended for use with other Category 1 appliances that specify they are for use with Types B gas vents.

UL 441-1996由美国保险商实验所 US-UL 发布于 1996-01-16。

UL 441-1996 在中国标准分类中归属于: Q76 建筑暖通、空调器材设备,在国际标准分类中归属于: 23.120 通风机、风扇、空调器。

UL 441-1996的历代版本如下:

UL 441-1996



标准号
UL 441-1996
发布日期
1996年01月16日
实施日期
废止日期
中国标准分类号
Q76
国际标准分类号
23.120
发布单位
US-UL
代替标准
UL 441-2010
适用范围
These requirements cover Types B and BW gas vents and Types B and BW gas vent roof jacks intended for venting gas appliances equipped with draft hoods to burn only gas.Types B gas vents are also intended for use with other Category 1 appliances that specify they are for use with Types B gas vents.




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