How Relief Valves Actually Work — A 101 Primer for Techs & Operators - The Boiling Point

We’ve pulled together the best clips from The Boiling Point to give you a no-nonsense 101-level introduction to relief valves. Whether you’re new to boilers, brushing up on the basics, or managing valve maintenance — this is your go-to guide.

From how relief valves actually work to the difference between testing, repair, and “recertification” (spoiler: that’s not a real thing), this video is packed with essential knowledge for anyone working around steam, air receivers, or pressurized systems.

📕 Chapters:
0:00 - Intro: Relief Valves 101 & Why They Matter
0:11 - How a Spring-Loaded Relief Valve Works
1:13 - Ring Adjustments: Lift, Blowdown & Performance
2:35 - Set Pressure Tolerances & Testing Explained
3:38 - Spring Selection & VR Repair Requirements
4:57 - Manual Test Lever & Testing Frequency
6:18 - Repair vs Recertification: Clearing Up the Terms
7:03 - Test-Only vs Full Valve Repair Process
8:36 - How We Inspect, Test & Tag Relief Valves
10:34 - VR Stamping & Quality Control Explained
12:24 - Elastomeric O-Rings & Why Timely Repair Matters
13:22 - Importance of Using a VR Certified Shop
14:13 - Sizing of Relief Valves

👉 Need parts, repairs, or expert help?
Visit boilerwarehouse.com or contact our team for valve service you can trust.

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