Brass pressure relief valves are replacement parts for vacuum tanks, vacuum trailers, storage tanks and other pressure vessels. Made with a durable brass construction, these pressure relief valves connect with NPT thread. They are non-code and cannot be used on tanks that store or haul corrosives, explosives or combustible materials.
• NPT Thread
• Fully adjustable
• 1-1/4": 155 CFM, 2": 300 CFM
• Durable brass construction