Sea-Bird Refrigeration Pvt. Limited offers Dual Safety Valve Manifold. Sea-Bird Refrigeration Pvt. Limited supplies a wide range of Refrigeration and Air-Conditioning Compressors like Hermetic Compressors, Valve Fittings, Condensing Unit and Compressor Spare Parts & Accessories. The Dual Safety Valve Manifold is available in screwed type and in ½" size only and allows two safety valves to be installed on it. The Dual Safety Valve Manifold allows keeping both the safety valves operative or can cut off any valve as desired to make the system safer.