All valves require preservation during and after delivery in order to be protected against harmful environment conditions. Wind, dust, humidity and salt, sand blasting and painting, high or low environment temperature and external forces are examples of harmful environment conditions. Protection of the valves should cover all stages of transportation, storage, lifting, handling, installation and testing in the construction yard. Preservation duration depends on the storage and fabrication period which could be between 6 months to 2 or even 5 years. This article will discuss and recommend some protective preservation key points for valves and actuators with more focus on the offshore industry projects.
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