air separation plants
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Our portable air separation units are quickly shipped and installed, enabling the shortest commissioning time in the industry. Our plant size capacities range from 4 tons/day to 200 tons/day producing liquid nitrogen, oxygen, and argon.
Air Separation Unit
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Positioning in the Plant : The expanded air generated from the Expansion Engine & R1 Expansion valve enters Air Separation Unit. The rich liquid containing Oxygen & Nitrogen is separated out in various stages The rich Liquid collects in the lower column of Air Separation Unit after coming from R1 Expansion Valve & Expansion Engine. The final separation of air takes place in the upper columns using expansion valves RL & PL with pressure droping from 4.5 kg/cm2 to 0.5kg/cm2 and the temperature to -1750C. The Nitrogen being more volatile separates out first & the Oxygen separated is stored in the condenser from where it is pumped by the Liquid Oxygen Pump into cylinders.long the lower & upper column. Temperature Scanner Liquid Level Gauge RTD Sensor Compensating Cables Pressure Gauges Expansion valves Perlite Powder Top Column saftey Valve- 0.68 kg/cm2 , size – 25mm x 40mm, 40mm X 50mm Bottom Column safety valve – 6.8 kg/cm2 , size- 20mm X 40mm, 40mm X 50mm Special feature of our product line : Expansion valves spindles are made in SS 304 material. Temperature Scanner from 8 points to 16 points as per the capacity of oxygen plant. Liquid level gauge from 800mm wc to 1200 mm wc, 4” dial with aluminum casing. Pressure gauge in 4’’ or 6”dial BCPM in SS as well as Brass bordurn. Safety Valves are made from Carbon steel material and chromed for better workability. The seat is made from SS 304 material as per the requirement. The Stuffing box and Valve Seats are made from extruded brass with the proper pitch as per the capacity of the plant. The required iternal and external pitch is to drilled properly for complete interchangebility.
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