RE:ValvesI live a few hundred clicks from large refiners and amid a huge energy market. So long long lines tank cars hold us up a level crossings all the time . I think most of the oil arrives and departs through pipelines and ships so the tankers must be full of refined products.
While Im sitting there watching the tankers I look for a KLS valve. Haven't seen one yet. See lots of very decrepid looking valves that look in need of replacement and some new tanks cars mostly PROCOR and GTLX . But no KLS valves. I'm sure they will make it this way some day