PVC Pipes - Support Spacing

Support spacing for PVC pipes

Maximum support spacing for PVC - Polyvinyl Chloride - pipes depends on the operating temperature. Maximum spacing between supports at different temperatures can be found in the table below:

PVC - Wall Schedule 40 - Support Spacing (feet)
NPS
(inches)
Operating Temperature (oF)
60 100 140
1/2 4 1/2 4 2 1/2
3/4 5 4 2 1/2
1 5 1/2 4 1/2 2 1/2
1 1/4 5 1/2 5 3
1 1/2 6 5 3
2 6 5 3
3 7 6 3 1/2
4 7 1/2 6 1/2 4
6 8 1/2 7 1/2 4 1/2
8 9 8 4 1/2

PVC - Wall Schedule 80 - Support Spacing (feet)
NPS
(inches)
Operating Temperature (oF)
60 100 140
1/2 5 4 1/2 2 1/2
3/4 5 1/2 4 1/2 2 1/2
1 6 5 3
1 1/2 6 1/2 5 1/2 3 1/2
2 7 6 3 1/2
3 8 7 4
4 9 7 1/2 4 1/2
6 10 9 5
8 11 9 1/2 5 1/2
  • 1 ft (foot) = 0.3048 m
  • T(oC) = 5/9[T(oF) - 32]

Related Topics

  • Dimensions - Sizes and dimensions of pipes and tubes, and their fittings - inside and outside diameter, weight and more

Related Documents

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