Description
External “Pop-Action” Supplementary Pressure Relief Valves for Small ASME Containers and DOT Cylinders. RegO 3127 & 3129 Series
Designed for use as a supplementary relief valve on small ASME above ground and underground containers. They may also be used as a primary or secondary relief device on DOT cylinders, or as hydrostatic relief valves. All working components of these relief valves are outside the container connection, so the valves must be protected from physical damage.
External “Pop-Action” Pressure Relief Valves for ASME Containers and Bulk Plant Installations. RegO AA3126, AA3130, 3131, 3132, 3133, 3135, AA3135, & A3149 Series
Designed for use as a primary relief valve on ASME above ground and underground containers, bulk plant installations and skid tanks. The 3131 Series may also be used as a primary or secondary relief valve on DOT cylinders, or as a hydrostatic relief valve. All working components of these relief valves are outside the container connection, so the valves must be protected from physical damage.



