Miller Electric 16391 Nitrogen, Gas Regulator, CGA-580, Three Stage, Brass, 0.40 to 0.60 psi38N743

This preset three-stage regulator is designed to deliver a highly accurate and consistent low-pressure supply of nitrogen to oil-filled power transformers. - The regulator will deliver and maintain 0.50 PSIG in the head space of oil-filled transformers. - A built-in self-relieving valve set at 8 PSIG helps protect the system from over-pressurization due to temperature variation. - Includes rapid-fill bypass pressure valve allowing rapid filling of the transformer with 6 PSIG of pressure.