Measurement Guide

Copyright 2017, FORMUFIT, LC
www.formufit.com
1-1/4”
If your pipe fits inside a circle below...
...then your PVC Pipe Size is:
STRENGTH
WEIGHT
FLEXIBILITY
L
H
ACTUAL OUTSIDE
DIAMETER
∙ 1-5/8 inch (fraction)
· 1.660 inch (decimal)
· 41.16 mm (metric)
STRENGTH
WEIGHT
FLEXIBILITY
L
H
ACTUAL OUTSIDE
DIAMETER
∙ 1-7/8 inch (fraction)
· 1.900 inch (decimal)
· 48.26 mm (metric)
2”
STRENGTH
WEIGHT
FLEXIBILITY
L
H
ACTUAL OUTSIDE
DIAMETER
∙ 2-3/8 inch (fraction)
· 2.375 inch (decimal)
· 60.32 mm (metric)
1-1/2”
Certain types of plastic pipe products, available at home centers and hardware stores will not work
with FORMUFIT PVC fittings and accessories. These include the following:
CTS (Copper Tube Size) Pipe - This product is designed to replace
copper pipe installations, and uses a different measurement system.
This product is will have ‘CTS’ in the markings on the outside of the pipe.
IMPORTANT
CPVC Pipe - A yellow or tan colored pipe. Normally marked with ‘CPVC’
on the outside of the pipe.
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