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Monthly Archives: August 2014

  • Sherwood Valve Bonnet Assembly Replacement - LP Gas Cylinder Valves

    tech tuesday This week's Tech Tuesday Report is instructions for replacing the Bonnet Assembly on Sherwood Valve's LP Series Cylinder Valves. Below is a sampling - Continue reading

  • Introduction to Gas Regulators

    E-T742

    An entire web site could be devoted to explaining the various kinds of regulators (high pressure, corrosive gas, fluorine etc.) that are available! This article is not meant to be comprehensive, merely an introduction to regulators you might find in a typical application. If you are ever unsure about how to use a regulator or another piece of equipment, ask us at Evergreen Midwest. Continue reading

  • Cleaning Procedures for Cylinders ISO

    The Procedures for Cleaning Gas Cylinders

    It is occasionally desirable to change gas cylinders from one gas service to another. Certain of these service changes can be made quite easily, while others require a careful inspection of the interior and exterior of the cylinder to detect the presence of corrosion products or contaminants, which must be removed for safety reasons or to avoid undesirable contamination of the contained gas. Continue reading

  • Valving of CO2 Cylinder

    Valving of CO2 Cylinders

    Evergreen recommends that anyone valving CO2 cylinders should be aware of the hazards associated with CO2 and be trained in safe practices of valving CO2 cylinders. We have compiled the following list of items that should be included in all safe practices for the valving CO2 cylinders. Valve Removal Continue reading

  • Oxygen Cylinder Charge Durations

    We here at Evergreen are oft en asked by our customers to indicate how long certain size oxygen cylinders with last with various fl ow rates. Depending on oxygen tank size, pressure, and fl ow we can calculate the duration. Below is a chart to answer that question. Continue reading

  • Inspection of CO2 Cylinder

    Inspection of CO2 Cylinders Prior to Each Fill

    Evergreen Midwest Co. recommends that all CO2 cylinders be subjected to a quick external inspection of the cylinder and valve prior to each fill. This inspection may identify conditions of the cylinder and/or valve that have decreased the integrity of the cylinder and possibly be an extremely dangerous situation if the cylinder were filled. Following are items that Catalina Cylinders recommends be included in the quick external inspection practice of any CO2 cylinder prior to filling. Continue reading

  • Hydro Testing

    Hydrostatic Re-Testing and Inspection of CO2 Cylinders

    Evergreen Midwest Co. recommends all CO2 cylinders be given a quick external visual inspection prior to each fill and the items noted in Evergreen’s technical support document from Week #1, Inspection of CO2 Cylinders Prior to Each Fill, be included in this inspection. Continue reading

  • Handling Storing Transporting

    Handling, Storing & Transporting of CO² Cylinders

    HANDLING -

    Evergreen Midwest Co. recommends that anyone handling CO² cylinders should be aware of the hazards associated with CO² and be trained in safe practices of handling CO² cylinders. All practices of handling CO² cylinders ought to include or reference information from CGA pamphlets G-6; Carbon Dioxide and G-6.3; Carbon Dioxide Cylinder Filling and Handling Procedures. Evergreen has compiled the following list of items that should be included in any safe handling practice of CO² cylinders. Continue reading