What is a Post Indicator Valve (PIV) and Are They Required?
WEBOct 29, 2020 · Post indicator valves (PIVs) are sturdy, above-ground access and operator valves used for automatic sprinkler systems and wet standpipe systems whose water supply valves are located underground.
Post Indicator Valves - American Fire Supply
WEBPost indicator valves (PIV) provide a means to operate a buried or otherwise inaccessible non-rising stem (NRS) gate valve.
UL/FM Indicator Posts - Mueller Co. Water Products Division
WEBMueller® indicator posts are used in fire protection systems and perform several functions. They provide a means to operate a buried or otherwise inaccessible valve. Also, indicator posts readily and clearly indicates whether the valve is open or shut.
#365 – A Guide to Post Indicator Valve Requirements - QRFS
WEBOct 6, 2020 · A post indicator valve allows firefighters to cut off supply to compromised areas, ensuring their efforts aren’t hampered by the loss of pressure, or water being diverted to the wrong places. But over the last decade, …
Post-Indicator Valve: Required for My Project? - MeyerFire
WEBJul 24, 2019 · One project question I very commonly receive from civil engineers is whether a post-indicator valve (PIV) is required. In short, there are options. I'm exploring PIVs in more detail in this week's article.
WEB14 inch size post indicator valves (PIV) requiring 14 to 43 turns to open and that are listed or approved for fire protection system service. The A-20807 Post will accommodate 16-24 inch size post indicator valves requiring 49 to 75 turns to open. Indicator Posts are provided “standard order” for use
OS&Y, FDC and PIV - YouTube
WEBA brief explanation of the Outside Screw/Stem and Yoke (OS&Y), Fire Department Connection (FDC) and the Post Indicator Valve (PIV).
WEBPIV-VERTICAL Adjustable Wall Post Indicators Provides a means to operate a non-rising stem gate valve that is located behind a wall, as well as indicates whether the valve is in the open or shut position. Post flange has an OD of 12” * UL Listed. Contact us for current approvals. Non-Rising Stem Gate Valves
Construction Concerns: Postindicator Valves - Fire Engineering
WEBJan 26, 2015 · A postindicator valve (PIV) (photo 1) is commonly used as the valve operator for automatic fire sprinkler and standpipe systems, where the system main valve is located underground outside...
Adding a Post Indicator Valve to Always Know Valve Position
WEBSep 16, 2020 · By incorporating PIVs from American Flow Control into your water utility's fire suppression and critical infrastructure systems, you have the assurance that at a single glance, the position of the valve can be instantly determined.
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