Thursday, August 20, 2015

Re: [MW:23314] Brass versus Bronze as an Alloy for High chlorine service

Hi Arunabh,

As per the fire norms NFPA-13, 4 way and hydrant valves are brass MOC. Brass valves are acceptable. 

Regards,

Mahek shah
Assist. Manager QA/QC
Larsen & Toubro Ltd

On Tue, Aug 18, 2015 at 3:31 PM, ARUNABH BERA <bonjoe23@gmail.com> wrote:

Dear Sirs
In our Project, fire water valves and hydrants are generally specified as SS-316 because of their high ability to resist pitting resistance in Chlorine environment. However the client is insisting to use either Brass or Bronze as MOC for all Valves internals. Kindly guide me which is more superior Brass or Bronze in terms of its resistance to SCC, weldability and other issues
Supporting references for the above would be helpful

Regards
Arunabh
Project Co-ordinator
Engineers India Limited

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