Thanks for your comment "trashcanman", but the problem is that incomming supply on the shore, and rigid pipe on the float are allready installed - 6inch. I can't even find flex connections for the domestic use , and fire services listed separatelly.
I am designing flexible connection for the combined domestic water and fire suppression system water supply to the floating building. The connection between float building pipe and supply pipe on the dyke, have to be flexible due to the large tide movements. The problem is that the hose has to...
Stanier,
1. CPVC is not listed for exposed instalation in Ordinary/Extra hazard occupancy.
2. There is no CPVC pipe biger than 3" listed for fire sprinkler service.
3. As per Jonesey, SS is not durable in salty environment.
Thanks everyone for help.
The environment is sea water. The piping has to be listed for the fire sprinkler service. It looks like the best choice is what Rich2001 proposed.
DavidCR,
If the installation is in earthquake zone you need a flexible coupling at the top and at the bottom of any riser (NFPA 13 1999 6-4.2). The fexible coupling is a flexible coupling not a flexible hose! See Victaulic Style 77 Standard Flexible Coupling...
VIKING has approved (FM, UL and ULC) system for cold storage what you look for:
http://www.vikingcorp.com/databook/default.cfm?lang=title&Location=Freezer%20Storage&Dir=freezerstorage
I need to protect sprinkler piping against corrosion under the pier/wharf. I am definetly going to use galvanized pipe.
What do you think about painting the pipe as additional protection against the corrosion?
I agree with the Pmover, that you should obtain the services of a certified FPE or at least sprinkler designer. Even it looks simple, designing of sprinkler system is not a game - size of NFPA 13 standard confirms that. You should also check who is insurer, since FM Global has some aditional...
