Series 8800 gas blanket regulators provide a controlled gas environment in storage tanks. The tank is controlled at a defined pressure (or vacuum) level for regulating the flux of the high pressure gas. And it can also keep the pressure of the tank from descending when the medium running out or heat venting. Our Products Features: All stainless construction. Products range covers from lower pressure gas to high pressure gas.Spring and diaphragm loaded, regulated accuratelyReliable sealThe inlet and outlet flanges are in accordance with ANSI B16.5 150LB RF (and also manufactured according to customer requirement.)