Male pipe to Valco external
![male pipe to Valco external adapter](images/malepex.jpg)
Male pipe to Valco external adapters make a minimum volume connection from the female pipe fittings typically found on pressure gauges and regulators to Valco external fittings.
Male pipe to Valco internal
![Male pipe to Valco internal adapter](images/malepipe.jpg)
Male pipe to Valco internal adapters make a minimum volume connection from the female pipe fittings on pressure gauges and regulators to Valco ZDV internal fittings.