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Cylinder Hydro Testing




Gases like oxygen and nitrogen are filled in seamless steel cylinders at high pressure ranging from 150 to 200 bar. Such cylinders are also subjected to various weather conditions and handling during use at consumer's place as well as transport, loading and unloading. Essentially, the cylinders are made of a material that has a flexibility of expansion and contraction during pressurization.

For various reasons this flexibility of expansion and contraction begins to deteriorate over a period of time. Similarly, on account of other conditions such as filling, handling, transportation and shop floor conditions, there are chances of weight reduction over a period of times. It may also develop certain other defects normally rendering a cylinder unsafe for use.

lobally such cylinders are required to be periodically tested for visual damages, weight loss and loss of elasticity. In view of the dimension of damages, which can be caused by a dilapidate cylinder, being known, most of the gas industries and users world wide are required to test cylinders periodically.

Modern Group offers dual services in the field of testing of cylinders in accordance to the gas cylinder rules 2004 led down by department of explosives.


We are also providing complete set-up of equipment for conducting a dependable and assured hydraulic test for such cylinders.

  • A Complete Panel comprising of 2 Nos. Pressure Gauges, (one pressure gauge is duly certified for Calibration - Master Gauge) pipelines, control value, scale, glass tube and value.
  • Motorised blower for cylinder drying.
  • Motorised Hydraulic Pump with motor, rail, belt guard, suitable for 700 Kg/cm2 test pressure. Specially designed for cylinder test station.
  • Cylinder Drying Stand for 6 Cylinders.
  • Cylinder Vice.
  • Boroscope
  • Cylinder Rotating Stand.
  • Aluminum Neck Rings
Painting of Cylinders
Repairing / Service of Cylinder Cascades / Banks & Manifold Pipeline Systems
The Group offers its customers total gas solutions along with assistance to follow the guidelines given in the gas cylinders rules 2004 issued by the department of explosives.


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