How to prepare butterfly valves with pneumatic part turn actuator for shipment and storage

摘要

This time I want to come back to the topic - storage and shipping of valves, as I have received several mails asking for a simple and cheap solution to eliminate trouble and work on the job-site during installation, commissioning and start-up procedures - especially on butterfly valves with a soft seat where one faces lots of problems such as sticking, blocking the disc and finally failures because of this, as there are defects in the liner due to mechanical impact.