What is a Post Indicator Valve (PIV) and Are They Required?
Oct 29, 2020 · In short, post indicator valves (PIVs) are sturdy, above-ground access and operator valves used for automatic fire sprinkler systems and wet standpipe systems whose …
What is a Post Indicator Valve - Common Location For PIV
May 13, 2025 · In simple terms, a Post Indicator Valve is a control valve attached to a water supply line that feeds a building’s fire suppression system. Unlike underground valves hidden …
What Is a Post Indicator Valve (PIV) in a Sprinkler System?
Defining the Post Indicator Valve The device that fulfills this function is the Post Indicator Valve, commonly referred to by the acronym PIV. This valve assembly is physically designed to be …
UL/FM Indicator Posts | Mueller Co. Water Products Division
Mueller® 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 …
What is a Post Indicator Valve? PIV Valve Basics & Operation Guide
At its simplest, a Post Indicator Valve (PIV) is a specialized valve assembly used to control the water supply to a building’s fire sprinkler or standpipe system.
What Is a Post Indicator Valve and What Does It Do?
A Post Indicator Valve (PIV) is a vital component in fire protection and water distribution systems, designed to clearly indicate whether an underground gate valve controlling water flow to a fire …
Basic Info on Post-Indicator Valves (PIVs)
Nov 29, 2024 · Also known as a Post-Indicator Hydrant (PIH) or Indicator Post Valve, its primary function is to control the flow of water from an underground water main to a fire hydrant, …
UL FM Vertical Indicator Post - United Water Products
It is used to identify the position of buried Gate Valves (Post Indicator Valves) and is recommended for use in fire protection piping systems.
ULFM Indicator Post - Soval
With this indicator post, valves can be locked into a particular position and operated from outside of the protected property, which makes prompt valve operations possible in case of …
Post Indicator Valve | Century Valves & Hydrants
Primary Use: The foundational valve component for underground fire mains that require above-ground status indication via a vertical indicator post or Valve Box.