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I always specify two different check valves in series with both valves to be bought from different suppliers to protect non-hazourdous high pressure process sections from lower pressure but hazardous process sections. This video shows exactly why this practice should be adopted everywhere, thank you!
ticket2ticket 1 year ago 2
this happened in my town
gregunit99 2 years ago
excelent safety video
horatorres 4 years ago 4
@horatorres yes
FlyinSpaghettiMnstr7 1 year ago