Industrial Valve Material Selection: Carbon Steel, Stainless, Hastelloy, and PTFE
Valve material selection is where a 1.5× cost decision can save a 50× replacement cost. This guide walks the trim, seat, and packing decisions that actually drive valve longevity — when carbon steel is honest enough, when 316L is mandatory, and when only Hastelloy or PTFE survive the chemistry. With
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