AIR SEPARATION COLUMN (COLD BOX) (Universal Make) Cryogenic type complete with support and connected pipes and internal connections. Supplied as packed units consists of: OUTER STEEL CASING Manufactured with frame in carbon steel for mounting exchangers and separation column, Control etc. MAIN HEAT EXCHANGER In air circuit in copper alloy coiled type-multipass with high heat transfer co-efficient. Argon welded casing and tubes expanded for leak proof. LIQUIFIER In air circuit in copper alloy coiled type-multipass with heat transfer co efficient. Argon welded casing and tubes expanded for leak proof. BOTTOM COLUMN Made out of SS with flanged ends for easy maintenance/repair with distillation trays of high efficiency with working pressure of 5 kg/cm2. The trays are die fitted into the outer casing, which is Argon, welded. (25 Trays) TOP COLUMN Made out of SS alloy with flanged ends for easy maintenance/repair with distillation trays of high efficiency with working pressure of 0.4 kg/cm2. Larger interspaced between trays for entertainment. The trays are die fitted into the outer casing, which is Argon, welded. (54/60 Trays) CONDENSOR Made out of copper alloys straight tubes with Nitrogen Pockets. SUB COOLER (Universal Make) For Liquid Nitrogen and Oxygen made of special alloy. LIQUID OXYGEN & NITROGEN FILTER (Universal Make) In stainless steel/ copper alloy containing absorption material and fine mesh filter complete with connection for regeneration. INSTRUMENTATION Complete instrumentation for control of liquid level/ pressure and analysis at a point. The digital electronic temperature indicator with scanner, accurate PT-100sensor. The expansion valves are manual control with long stem type with pointer and index. For liquid level measurement accurate DP guage Manometer, panel mounted is provided. As per standard make. COLD PIPE LINES All copper/SS alloy in interconnecting equipments inside cold box. INSULATION MATERIALS The perlite is of sufficient quantity to insulate the cold box completely.
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