UL 1486 Ed. 3 标准详情
- 标准号:UL 1486 Ed. 3
- 中文标题:
- 英文标题:Quick Opening Devices For Dry Pipe Valves For Fire Protection Service
- 标准类别:美国保险商实验室UL
- 发布日期:
Covers quick opening devices meant for attachment to dry pipe valves to reduce the time delay in operation of the valve following opening of one or more sprinklers. Covers products that are meant for use in fire protection service as outlined by the
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