UL 1739-2004 标准详情
- 标准号:UL 1739-2004
- 中文标题:消防设备用液压控制的压力控制阀
- 英文标题:pilot-operated pressure-control valves for fire-protection service
- 标准类别:美国保险商实验室标准UL
- 发布日期:2004-06-04
1 SCOPE 1.1 THESE REQUIREMENTS COVER PILOT-OPERATED PRESSURE-CONTROL VALVES INTENDED TO REDUCE THE WATER PRESSURE IN THE SUPPLY PIPING FOR STANDPIPE SYSTEMS, OR SPRINKLER SYSTEMS, OR BOTH. 1.2 THE VALVES COVERED BY THESE REQUIREMENTS ARE INTENDED FOR
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