We have the most state of the art, efficient testing facility!


  • Hydro-testing
  • Shot blasting
  • Painting
  • Internal wash,
  • Internal blasting
  • Valve replacement
  • Pick-up and delivery available

Contact Midwest


4230 Washington Avenue
Independence, Missouri 64055

Commercial Carbon Dioxide Call: 816.350.3355

Customer Service:
Commercial Carbon Dioxide customerservice@mhgasco2.com

Accounts Payable:
Commercial Carbon Dioxide invoicing@mhgasco2.com

Commercial Carbon Dioxide sales@mhgasco2.com

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Cylinders are de-valved and inspected for internal contamination. Cylinders are filled with water and pressurized and tested. The Recortest IV Test System incorporates the latest computer technology to provide fast, accurate cylinder requalification for the progressive hydrostatic test facility. At the push of a button the Recortest IV automatically performs the hydrostatic test, interprets the readings, and records the results. The complete Recortest IV Test System is a 2 test jacket configuration, with a full complement of technologically advanced support equipment to maximize daily production. After hydrostatic testing, cylinders are internally dried, first, 2 cylinders are positioned within the pneumatic clamp assembly. The desired program is keyed in and the process starts by clamping the cylinder and then inverting it a full 180 degrees letting water flow out. Cylinders are completely emptied. Then a stream of clean air is injected into the inverted cylinder to purge water left over from the hydrostatic test. Hot water is then injected into the cylinder, rapidly heating the walls, which is the key to the drying process. Clean air is once again injected to quickly evaporate any residual water. Cylinders are then rolled to the re-valving area and valves are installed. Cylinders are then taken from the re-valving area and rolled to the paint both.

To speak to one of our customer service staff members,
give us a call at 816.350.3355



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