Water hammer

What is Water Hammer and How Does it Impact Firefighting?

Closing or opening a valve can cause a sudden surge in pressure, threatening water-based systems and the people who work around them. QRFS explains the phenomenon known as water hammer, describing what is, how it works, and how it impacts firefighting and the design of fire protection systems.

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A firefighter at a hydrant

What is a Carlin Valve and When is it Necessary?

At the fire scene, the engine company sometimes designates a person to stay with the fire hydrant while the engine and the crew advance on a burning building. QRFS explains how Carlin valves, a displacement-activated hydrant gate valve, can keep the engine company whole while facilitating safe and speedy hydrant activation.

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Fire safety valves

Fire Safety Valve Pressure Ratings: WOG vs WSP vs. PSI

Fire safety valve pressure ratings matter when choosing a valve for fire sprinkler and standpipe systems. QRFS reviews the differences between more than ten common terms manufacturers use to describe valves’ pressure ratings, including WOG (Water, Oil, Gas), WSP (Working Steam Pressure), and PSI (Pounds per Square Inch).

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A check valve for 6-inch grooved piping

Guide to Check Valves for Fire Protection

Learn how a check valve works, the types of check valves, and their benefits. Additionally, understand what components you should look for when selecting a check valve and their maintenance requirements.

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