How to test a butterfly valve

This video shows how to test a butterfly valve on a METRUS valve test bench BV 80/500. The test bench has a maximum clamping force of 80 tons and can take valves up to DN 500 or 20" into its clamping table. Bigger valves can be tested also with an external test adaptor.
More Information under: http://www.metrus.de/en/test-benches/butterfly-valve-test-bench/butterfly-valve-test-bench-80t-dn500

Видео How to test a butterfly valve канала Metrus GmbH