Not exactly aimed at 'tourist submarines' but, in the absence of something more specific, they would be likely to want to apply something like:
Lloyds Rules & Regulations for Submersibles & Diving Systems or ABS RULES FOR BUILDING AND CLASSING UNDERWATER VEHICLES, SYSTEMS AND HYPERBARIC FACILITIES
Thanks XL83NL.
This affects several items of equipment I'm looking at with different tube sizes (all <1" so SEP) and different materials, however the application is basically the same: a coil of tubing with water internally at <6bar (though for worst case design purposes and largest...
As EN 13480 is a harmonised standard it's no surprise that the hydro test pressure is as per the PED (i.e. 1.43xPs or 1.25x(ftest/f)xPs). However, the piping I'm currently concerned with is SEP in the PED (<DN25) AND it's pressurised externally.
Where ASME B31.3 points to ASME VIII Div1 UG28...
I'm sure this will be a "no-brainer" to all you clever people out there, but I'm not up on my electropotentials and galvanic cells etc., so here goes:
Would using a combination of 70/30 Cu-Ni and 316L piping on a hydraulic power unit (water-glycol media) in a below decks marine environment...
