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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Wet_alarm_valve</id>
		<title>Wet alarm valve - Revision history</title>
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		<updated>2026-04-19T06:35:22Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Wet_alarm_valve&amp;diff=176592&amp;oldid=prev</id>
		<title>Designing Buildings at 12:56, 4 October 2020</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Wet_alarm_valve&amp;diff=176592&amp;oldid=prev"/>
				<updated>2020-10-04T12:56:51Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
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		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 12:56, 4 October 2020&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* BRE articles on Designing Buildings Wiki.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* BRE articles on Designing Buildings Wiki.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;* Differential ratio of a wet alarm valve.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Sprinkler.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Sprinkler.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Automatic fire sprinkler systems: A good practice guide.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;* Automatic fire sprinkler systems: A good practice guide.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Wet_alarm_valve&amp;diff=175080&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;The Loss Prevention Certification Board (LPCB part of BRE Global) sets the standards needed to ensure that fire and security products and services perform effectively. LPCB’s L...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Wet_alarm_valve&amp;diff=175080&amp;oldid=prev"/>
				<updated>2020-09-23T10:34:39Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;The Loss Prevention Certification Board (LPCB part of BRE Global) sets the standards needed to ensure that fire and security products and services perform effectively. LPCB’s L...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The Loss Prevention Certification Board (LPCB part of BRE Global) sets the standards needed to ensure that fire and security products and services perform effectively. LPCB’s Loss Prevention Standards (LPS) are applied in fire and security sectors around the world.&lt;br /&gt;
&lt;br /&gt;
[https://www.redbooklive.com/lps.jsp LPS 1040 - 2.3, Requirements and testing procedures for the LPCB approval and listing of wet alarm valve sets], published by BRE Global in 2014, defines a wet alarm valve as: ‘A valve that permits flow of water into a wet sprinkler system, prevents reverse flow of water and provides for an alarm under specified flow conditions.’&lt;br /&gt;
&lt;br /&gt;
A wet alarm valve set is: ‘An alarm valve assembly complete with wet alarm valve, trim and water motor alarm. Optional items, such as a retard chamber, flow meter, pressure switch and flow switch may also be included as part of the wet alarm valve set.’&lt;br /&gt;
&lt;br /&gt;
--[[User:BRE_Group|BRE Group]]&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings Wiki =&lt;br /&gt;
&lt;br /&gt;
* BRE articles on Designing Buildings Wiki.&lt;br /&gt;
* Sprinkler.&lt;br /&gt;
* Automatic fire sprinkler systems: A good practice guide.&lt;br /&gt;
* Business Sprinkler Alliance.&lt;br /&gt;
* Case study A for offices to show where automatic sprinklers have the greatest impact.&lt;br /&gt;
* Costs of water automatic sprinkler systems.&lt;br /&gt;
* Design benefits of automatic sprinkler systems granted under approved document B.&lt;br /&gt;
* Drenchers.&lt;br /&gt;
* Making the case for sprinklers and dispelling myths.&lt;br /&gt;
* Overview of automatic sprinkler system design and operation.&lt;br /&gt;
* Sprinkler systems explained: A guide to sprinkler installation standards and rules.&lt;br /&gt;
* The cost efficiency of different combinations of fire protection measures.&lt;br /&gt;
* The impact of automatic sprinklers on building design.&lt;br /&gt;
* Watermist systems for fire protection in domestic and residential buildings DG 534.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:DCN_Product_Knowledge]] [[Category:DCN_Standard]] [[Category:Definitions]] [[Category:Standards_/_measurements]] [[Category:Products_/_components]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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