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PVC Specifications
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PVC pipe terminology

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

 

Flange types

 

 

Pipe class, pipe specification

 

See also https://www.engineeringtoolbox.com/flanges-pn-pressure-ratings-d_46.html

 

 

 

 

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