Swagelok 316QC4 Quick Connect Stem Coupler NPT is a stainless steel QC4 stem without a valve, featuring 1/4 in. male NPT threads for mating with a matching QC4 body. This stem is specified as 316 stainless steel in QC4 family listings and is shown with an Orange Key color code for quick identification. Designed to form a complete quick-connect coupling, it is intended to pair with a QC4 body to enable fast, leak-tight instrumentation connections. Common applications include lab instrumentation and process piping where Swagelok QC4 components are used to connect sampling lines, regulators, or instrumentation lines.
