Quote:
Originally Posted by sphelps
Yeah nothing to due with the pressure rating, I like to use the sch20 pipe as it's got a larger inside diameter but it's hard to find. But when it comes to bulkheads you need the larger, coarser thread to achieve higher torque and ultimately a better seal. The thiner bulkheads crack easier and usually don't even have reverse threads. They also have thinner gaskets and a lower tolerance to movement which comes from various forms of maintenance.
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I learned a long time ago, if you putting a bulkhead on that you plan on being there for a while, put a thin coat of silicone on both sides of the gasket. handles all kinds of abuse well once that is done, and it is still pretty easy to remove when you have to.
Steve
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