The vessel will be opened on the order of once a week. It is a injection water filter, so easy access is a must. I'm leaning towards recommending a GD closure and moving on, but as always it's best to try to honor client requests first!
I'm looking for closure types that do not use o-ring seals. Specifically quick-opening Graylok, LTS style, etc. I can't use blind flanges, GD style, Tube turn style. Modco closures are limited to "lower pressures".
Vessel will be 30" dia, and designed for 3000 psig (2500 ANSI). We have...
