Gate Valve Leaking? How to Fix It Step by Step
The Short Answer A leaking gate valve usually fails in one of three places: the stem seal (packing), the bonnet […]
Troubleshooting & Maintenance
Troubleshooting & Maintenance
Common valve faults, diagnosis, repair methods and routine maintenance guidelines.
Troubleshooting & Maintenance
Dual Plate vs Swing Check Valve: Which Non-Return Design Fits the Line?
Dual Plate vs Swing Check Valve: Which Non-Return Design Fits the Line? When reverse flow must be stopped, the check […]
Troubleshooting & Maintenance
Check Valve vs Backflow Preventer: Similar Job, Different Standard
Check Valve vs Backflow Preventer: Similar Job, Different Standard In water and process piping, both check valves and backflow preventers […]
Troubleshooting & Maintenance
Spring Check vs Swing Check Valve: Which Check Design to Install
Spring Check vs Swing Check Valve: Which Check Design to Install The Short Answer: A swing check valve uses a […]
Troubleshooting & Maintenance
Water Hammer in Piping: How Valves Cause It and How to Prevent It
Water Hammer in Piping: How Valves Cause It and How to Prevent It Water hammer — also called surge pressure […]
Troubleshooting & Maintenance
Check Valve Keeps Failing: Sump Pump, Well Pump & Air Line Fixes
Quick Answer When a check valve keeps failing on a sump pump, well pump, or air line, the usual causes […]
Troubleshooting & Maintenance
Gate Valve Repair Kit: What’s Inside & When to Use
Quick Answer A gate valve repair kit typically contains gland packing, seat rings or lapping compound, stem packing, O-rings, gaskets, […]
Troubleshooting & Maintenance
Gate Valve Repair: Packing, Seat, and Stem Fixes
Quick Answer Most gate valve failures are packing leaks, seat leaks, and stem problems. Packing leaks are fixed by tightening […]
Troubleshooting & Maintenance
Air Compressor Check Valve: How It Works & Common Failures
Quick Answer An air compressor check valve prevents compressed air from flowing backward when the compressor stops, protecting the pump […]
Troubleshooting & Maintenance
Valve Packing Leakage: Causes, Prevention, and Repair
Quick Answer: Why Is My Valve Packing Leaking? Valve packing leaks because the packing is worn, improperly compressed, the wrong […]
Troubleshooting & Maintenance
Valve Seat Leakage: Causes, Diagnosis, and Repair
Quick Answer: What Causes Valve Seat Leakage and How to Fix It Valve seat leakage is usually caused by one […]
Troubleshooting & Maintenance
Valve Cavitation: Causes, Symptoms, and Remedies
The Short Answer Cavitation happens when liquid flowing through a valve drops below its vapor pressure and flashes into vapor […]
Troubleshooting & Maintenance
Ball Valve Leaking at the Stem: Causes and Repairs
The Short Answer A ball valve leaking at the stem means the stem seal system — the packing or O-rings […]
Troubleshooting & Maintenance
Common Gate Valve Failures and How to Fix Them
The Short Answer The most common gate valve failures are seat leakage, stem/packing leakage, stem seizure, disc erosion, and body-bonnet […]