In message <141aad52ccfb49ba9d17e581756bc...@tamuracorp.com>, dated Wed,
27 Jul 2011, Brian Oconnell writes:
>S1851, NFPA10, etc establish maintenance intervals for portable fire
>extinguishers as (typically) one year. While some standards specify an
>annual hydrostatic test, gage verify, etc;
AS1851, NFPA10, etc establish maintenance intervals for portable fire
extinguishers as (typically) one year. While some standards specify an
annual hydrostatic test, gage verify, etc; none discuss the physical basis
of this requirement.
Why not 9 months or 34 months? Is there any performance or re
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