What feature allows disconnecting lines quickly without purging?

• A. Requires purge gas
• B. No tools required to connect/disconnect lines
• C. Disconnection requires depressurization first
• D. It cannot be connected while system is running

Answer: (B)

Quick-disconnect fittings let you separate and rejoin lines in seconds without tools, and many are designed with internal valves that close off flow when disconnected. That means you can isolate a line and reconnect it without going through purging or depressurizing steps, minimizing downtime and waste. The feature described—no tools required to connect/disconnect lines—directly supports fast, purging-free disconnection, which is why it’s the best match. Purge gas, required depressurization, or incompatibility with running systems would all slow things down or complicate maintenance, making them less suitable choices.