Leading Manufacturers of Oxygen, Nitrogen and Other Industrial Gas Plants

Liquid Oxygen Pump

The Liquid Oxygen Pump is a single acting piston pump. It is used for filling Oxygen into Cylinders upto a pressure of 165 kgs./cm2.

Liquid Oxygen Pump

SANGHI - ORG Liquid Oxygen Pump

The pump is designed for assembly in air separation unit that works by pumping liquid Oxygen and gasifying the same in Heat Exchangers for final filling as gas in Cylinders. Control of liquid feed is not necessary, because the pump is designed in accordance with the plant size and the liquid produced is constantly pumped off.

The drive unit is similar to any reciprocating machine with the Crank Shaft, Flywheel, Connecting Rod, Cross Head, etc.

The Liquid Oxygen Pump consists of a stainless steel inside liner with liquid inlet and evaporated gas outlet ports. There are no valves on these ports, which are closed by the piston itself on the pressure stroke. The third outlet is the main discharge outlet with the two non-return ball valves. The two ball valves remain firmly closed during suction stroke, due to high pressure in partly filled cylinders. To ensure that these valves are fully closed, a positive pressure of about 60 kgs/cms2 must be maintained on it. When a fresh batch of cylinders is taken for filling, open the manifold valve slowly or use a spare batch of cylinders to ensure positive pressure on these valves.


Type of Pump IL/IK/100/22 IL/IK/100/24 IL/IK/300/36 IL/IK/100/30
No. of Cylinders 1 1 1 1
Cylinder Diameter 22 mm 24 mm 30 mm 30 mm
Piston Stroke 100 mm 100 mm 100 mm 100 mm
Speed 125/150 RPM 125/150 RPM 125/150 RPM 125/150 RPM
Suction Pressure 0.5 Kg/cm2 0.5 Kg/cm2 0.5 Kg/cm2 0.5 Kg/cm2
Discharge Pressure
(Final Max.)
165 Kgs/ cm2 165 Kgs/cm2 165 Kgs/cm2 165 Kgs/cm2
Operating Temperature -183oC -183oC -183oC -183oC
Normal Delivery 50 to 90 Ncu.m./hr 100 to 120 Ncu.m./hr 200 to 220 Cu.m./hr 300 to 350 Cu.m./hr
Driving Capacity 3 H.P./2.2. KW 5 H.P./3.7 KW 7.5 H.P. 7.5 H.P./ 5 KW

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