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Horizontal Pipe Hanger Supports - Spacing and Rod Size

Recommended maximum support span between hangers - and rod sizes for straight horizontal pipes.

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Recommended maximum space between hangers for straight horizontal pipes and tubes are indicated in the table below. The values does not apply where loads are concentrated with flanges, valves, specialties, etc. A common rule of thumb is to support loads of this type with hangers on both sides of the load.

Horizontal Pipe Hanger Supports - Spacing and Rod Sizes
Nominal Diameter Pipe
NPS
(inches)
Recommended maximum space between Hangers (feet) Recommended Rod Size (inches)
Standard Steel PipeCopper Tube
WaterSteamWaterCopperStainless Steel
1/2 7 8 5 3/8 3/8
3/4 7 9 5 3/8 3/8
1 7 9 6 3/8 3/8
1 1/2 9 12 8 3/8 3/8
2 10 13 8 3/8 3/8
2 1/2 11 14 9 1/2 1/2
3 12 15 10 1/2 1/2
4 14 17 12 1/2 5/8
6 17 21 14 5/8 3/4
8 19 24 16 3/4 3/4
10 22 26 18 3/4 7/8
12 23 30 19 3/4 7/8
14 25 32 1
16 27 35 1
18 28 37 1
20 30 39 1-1/4
24 32 42     1-1/4
  • 1 ft (foot) = 0.3048 m

Pipe support - maximum spacing  diagram

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Related Topics

  • Dimensions

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

    Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.

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