#138 – Fire Safety Valve Pressure Ratings: WOG vs WSP vs. PSI

Fire safety valves

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).

#135 – Wafer Butterfly Valves vs Grooved Butterfly Valves for Fire Protection: Pros, Cons, and Guidance from NFPA

Butterfly Control Valves

Grooved butterfly valves and wafer butterfly valves both control flow in fire sprinkler and standpipe systems — but is there a reason for choosing one over the other? QRFS looks at the features of different butterfly valves for fire protection, including guidance from the National Fire Protection Association.

#86 – Draining a Fire Sprinkler System: Main Drain, Auxiliary Drain, and More!

Fire Sprinkler System

Why would a fire protection system need to be drained? This article discusses four common reasons and details the various types of drains necessary for safely draining a fire sprinkler system. Included is a detailed breakdown of the primary drain valves in a sprinkler system: main drains, auxiliary drains, sectional drains, test drains, and more.