Valve Material Selection: One Weak Component Undoes a Whole System
On a jetty at an island ferry terminal, a sewerage and waste pump-out line runs out over some of the clearest water you’ll ever see. The pipe is HDPE. The flanges are 316 stainless. Someone clearly thought hard about durability, and then bolted a standard epoxy-coated cast-iron valve into the middle of it. Look closely, …