Plug Valves: Parts, Working, Types, Symbol, Advantages, and Disadvantages (With PDF)

A plug valve is a quarter-turn rotary motion manual valve. It uses a cylindrical or tapered plug (plug-shaped disk) to permit or prevent straight-through flow through the body. Plug valves

Introduction to Gate Valves and Gate Valve Types

A Gate valve is a linear-motion manual valve that has a vertical rectangular or circular disc that slides across an opening to stop the flow that acts as “gate”. Generally