Universal in Collaboration with ING.L.A. BOS CHI Italy SINCE 1930 manufactures & suppliers Premium Quality low pressure Air separation plants of all sizes ranging from 50m3/hour to 50,000m3/hour including Cryogenic Tonnage gas plants and liquid plants.

With state of the art designs and technology from Europe, established manufacturing facilities spread out in various locations all over India & Asia and sales located inNew Corporate Region (NCR) of Delhi, the Italy based company is dedicated to supplying the latest in Cryogenic Technology constantly striving to improve its products through continuous research and development.

Small Capacity Pure Nitrogen Plants
Range 50M3/hrTO 1000M3/hr
Purity 99.99 Upto 3ppm'
Operating Air Pressure- 0.6 TO 0.7Mpa

Medium Capacity Pure Nitrogen Plant (32 TPD TO 320 TPD)
Range 1,000 TO 15,000m3/hr
Purity oxygen -99.6% .Nitrogen -99.99% or 3PPM
Operating Air Pressure- 0.6 TO 0.7Mpa

Model	Capacity Nm3/h	Capacity L/h	Purity X 10-6O2	N2 Pressure (Mpa)	Air Pressure (Mpa)	Power Consumption KW	Power Consumption (KWh/Nm3N2
UBTN-50/5	50	5	< 3	0.5	0.7	42.5	0.85
UBTN-100/6	100	6	<3	0.7	0.7	60	0.6
UBTN-150/10	150	10	<3	0.7	1	82.5	0.55
UBTN-200/20	200	20	<3	0.7	0.9	100	0.5
UBTN-300/25	300	25	<3	0.55	0.9	126	0.42
UBTN-500/30	500	30	<3	0.55	0.7(0.8)	200	0.4
UBTN-700/90	700	90	<3	0.55	0.7	290	0.4
UBTN-800/40	800	40	<3	0.5	0.6	280	0.35
UBTN-800/40	800	40	<3	0.23	(0.8)0.6	192	0.24
UBTN-1000/40	1000	40	<3	0.2	0.6	240	0.24
UBTN-1000/50	1000	50	<3	0.5	0.6	340	0.34
UBTN-1100/40	1100	40	<3	0.2	0.75	264	0.24
UBTN-1500/120	1500	120	<3	0.5	0.65	601.5	0.4
UBTN-1600/50	1600	50	<3	0.2	0.75	384	0.24
UBTN-1600/70	1600	70	<3	0.5	0.6	560	0.35
UBTN-2000/70	2000	70	<3	0.2	0.6	560	0.28
UBTN-2400/60	2400	60	<3	0.6	0.7	576	0.24
UBTN-2400/70	2400	70	<3	0.2	0.7	528	0.22
UBTN-2400/110	2400	110	<3	0.45	0.6	672	0.28
UBTN-3000/100	3000	100	<3	0.8	0.9	1050	0.35
UBTN-4500/400	4500	400	<3	0.85	0.95	2025	0.45
UBTN-5600/155	5600	155	<3	1	1.1	2296	0.41

Basic Principle
The air separation plant is a plant recovering oxygen and nitrogen from air simultaneously. It advance low pressure technology process of Boschi Italy using Rotary screw compressor (or low oil free piston compressor)and turbo expanders.

The feed air entering the Molecular Sieve purification system employed to remove the moisture and Co2 from the process air. The air is liquefied by cryogenic cooling using latest plate and fin high efficiency heat exchangers and turbo expanders. The liquid air separates into oxygen nitrogen and inert gases in the air separation column.

Process Description
1. Air Compressor-Low Pressure
Air is compressed at a very pressure of 5-7 bar (kg/cm2). Air can be compressed at such low pressure by trouble free rotary compressor (Screw / Centrifugal Type advanced technology is employed in lieu of old bulky piston compressor)

2. Pre Cooling System
The second stage of the process uses a low pressure refrigerant for pre-cooling the processed air to temperature around 12 deg C before it enters the purifier.

3. Purification of Air by Purifier
The air enters a purifier consisting of twin Molecular Sieve driers, working alternatively. The Molecular Sieves remove the Carbon dioxide & moisture from the processed air before the air enters Air Separation Unit.

4. Cryogenic Cooling of Air by Turbo (Expander)
The air has to be cooled to sub zero temperatures for liquification & the cryogenic refrigeration & the cooling is provided by highly efficient turbo expander, which cools the air to temperature almost below -165 to-170 deg C

5. Separation If Liquid Air Into Oxygen and Nitrogen by Air Separation Column
Oil free, moisture free and Carbon Dioxide free air enters into low pressure fin type HEAT EXCHANGER where the air is cooled below sub zero temperatures by air expansion process in the turbo expander.

Air gets liquefied when it enters the air separation column & gets separated into oxygen & nitrogen by the process of rectification.

Nitrogen gas is available at the outlet at purity of 99.99% upto 3ppm (lppm in some models)

Liquid nitrogen is also available alongwith the pure nitrogen gas products.

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