Brass vacuum relief valves are replacement parts for vacuum tanks, vacuum trailers, storage tanks and other pressure vessels. Made with a durable brass construction, these vacuum relief valves connect with 1-1/2" NPT thread and are rated at a 370 CFM flow. They are non-code and cannot be used on tanks that store or haul corrosives, explosives or combustible materials.
• 1-1/2" NPT Thread
