Many Injection Valves are biocompatible inert and deliver a low swept volume. Their unique design allows for minimal dispersion. injection valves come conveniently in both manual standard and bulkhead-mount versions. It comes with an easy to use Injection Port Adapter too. Injection Valves feature easy, external sample loop customization. Simply clean-cut a piece of tubing that represents the volume of sample you wish to inject, taking into account the port-to-port volume of the valve.