Consolidated Type 1900 Dual Media (DM) Safety Relief Valve

The 1900 Dual Media (DM) Series patented trim is engineered to perform on both liquid and/or gas media and is Dual Certified.

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The patented innovation of the Dual Media trim design makes it the first and only spring-loaded safety relief valve in the industry that is “dual certified”. Dual Certified is defined as pressure relief valves that are both vapor/gas flow certified and liquid flow certified where dual certification is achieved without making any modifications or adjustments to the relief device when switching fluids during the flow testing.