At the end of the inspection time period and periodic tests, each cylinder must be sent to an accredited laboratory by the National Standards Organization of Iran for inspection and periodic tests.
Akhavan Kalantari Company can offer the following services through its subsidiary laboratories in Gilan Province, named Akhavan Kalantari Laboratory, or in Tehran under the names of technical cylinder inspection laboratory and Kimiyaye Pasargad Gas Purity Determination, as the cooperate laboratory of the National Standard Organization of Iran:
• Hydrostatic tests of pressurized cylinders with two methods of water jacket method and the non-water jacket method
• Renovation, painting, and sandblasting of different cylinders
• Changing the service of cylinders in terms of gas type
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