What standards are followed for the flanged sight glasses used on pipes?
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What standards are followed for the flanged sight glasses used on pipes? Such as angled viewports, tee viewports, and straight-through viewports – are there viewports made of PP with a steel lining? What standards should be followed? Thank you!
There seem to be relevant specifications for pressure vessels. It seems there are no particular requirements for pipe sight glasses! ! Selection of design based on operating conditions! Also seeking an answer!