Here we present experts’ information on some of the PVC fitting and pipe terminology
Flange drillings, PCD for plastic pipes
PCD: Pitch Circle diameter
From: Plastic Pipe Shop Ltd in the UK.
Full face flanges have a socket, bolt holes and an edge to meet the gasket. There are metric (PN), imperial (Table D or E) and others (such as ASA or ASA150 drilling) specifications. The distance between the holes will differ.
Measure a flange
How to measure your flange.
Pipe gauge properties
What is Imperial NPS, NB and Metric DN, OD, ID, T Pipe Schedule Properties
NPS = nominal pipe size
Pipe Sizes and Pipe Schedule - A Complete Guide For Piping Professional
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