Can I Buy a Used Bunker Blast Valve or Should It Be New?

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2026-06-13 11:55:02

I was on a refurbishment job at an old military shelter when the site manager asked if we could save money by reusing a set of blast valves pulled from another decommissioned bunker. We fired a diagnostic impulse tester at one of the spare units and watched the flap return slowly; metal fatigue and a pitted seat meant it wouldn’t meet our spec. That quick test told the whole story: blast...

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