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Mueller Refrigeration B 34842 Cyclemaster Ball Valve 1-3/8" x 1-5/8" W/ACC
From vendor's website:
"Using the latest computer-aided engineering design modeling and analysis software, Mueller Refrigeration has been able to reduce the overall footprint of the CYCLEMASTER® Ball Valve series, while maintaining critical dimensions such as overall lengths for ease of installation and replacement, and internal geometries that minimize pressure drop by line size. Market proven design features that include blow out proof stems with dual O-ring seals are retained in the new valve designs. The new designs allow greater flexibilities in mounting and installation; bi-directional flow characteristics have been maintained throughout the series, while valves have been mass optimized to minimize potential line fatigue. CYCLEMASTER® series valves are UL and CE approved, and have been extensively tested and rated for use with all refrigerants and oils including systems that incorporate higher pressure refrigerants such as R-410a and subcritical CO2."