Pipe Dimensions
Pipe Diameters, Stiffness, and Pressure Classes
We offer a wide variety of pipe fittings manufactured from corrosion-resistant fiberglass reinforced polymer, suitable for water and wastewater systems. These include bends, tees, branches, flanges, reducers, saddles, and prefabricated spools. Segmented and laminated fittings are used for diameters between 12″ and 156”.
Standard pipe diameters (in inches):
12
16
18
20
24
27
30
33
36
42
48
54
60
66
72
78
84
90
96
102
108
120
126
132
138
144
150
156
*Custom diameters are available upon request.
Standard stiffness classes (in psi):
18
36
46
72
*Higher stiffness classes are available for specific applications such as microtunneling and sliplining.
Most Common FRP Fittings
FRP Pipe Fittings
Available pressure classes (in psi):
50
100
150
200
250
300
350
400
450
*Higher pressure classes are available upon request.
Product Range
Building Tomorrow, One Pipe at a Time.
The widest range of precast, pressure, and trenchless pipe solutions in North America, backed by industry-leading engineering and logistics. Thompson Pipe Group delivers all that.