Learn how to conduct a fire hydrant flow test safely and accurately with our primer on conducting fire hydrant flow tests.

Nov 10, 2020 · Learn when and how cities should perform hydrant flow tests & why the measurements ensure that fire protection systems work in an emergency.

A two (or more) hydrant flow test measures the water flow capacity of the underground main. This test is useful to determine availability of water for the design of fire sprinkler and domestic water systems.

When preparing for a fire hydrant flow test, follow the guidelines in Chapter 4 of NFPA 291, “Flow Testing”. These guidelines outline the steps needed to measure both static and residual pressure at …

Oct 13, 2025 · Regular testing is a responsibility. If you’re wondering how to test fire hydrants, this guide will walk you through every step, from safety precautions and required tools to flow and pressure …

Feb 3, 2025 · Fire hydrant flow testing is a vital component of fire protection system maintenance. It ensures that hydrants provide adequate water flow and pressure, identifies potential system …

The purpose of a hydrant flow test is to evaluate the water supply, or the flow-rate that will be available when the system is brough down to 20 psi residual. A hydrant flow test requires three …

NFPA 291 provides guidance on fire flow tests and marking of hydrants in order to determine and indicate the relative available fire service water supply from hydrants and to identify possible …

The most common test involves measuring the flow of water flowing out of a municipal fire hydrant (measured in litres or gallons per minute) while recording how much the water pressure has dropped …

Feb 25, 2025 · Know the tools in a fire hydrant flow test kit, how to perform hydrant testing, how to decode the test results, and software to digitalize the test results.