Pipe Support Standard Distance

The span is 4 ft for pipe up to 6 ft for 4 schedule 40 pipe at ambient temperature.

Pipe support standard distance.

Pipe support criteria for asme b31 3 metallic piping july 2017. Support spacing abs pe pvc fiberglass and steel pipes. The spacing is based on a fixed beam support with a bending stress not exceeding 2 300 psi 15 86 mpa and insulated pipe filled with water or the equivalent weight of steel pipe for steam gas or air service and the pitch of the line is such that a sag of 0 1 in. Approximately 1 ft more for schedule 80 and half that spacing at 150 f.

There are other references also who have listed the maximum support span. Copper tube supports maximum space between supports aand clips for copper tubes. These charts are normally mentioned in piping stress analysis project specifications. Asme has suggested the standards for support span but the bending stress considered in its calculation is very low 15 9 mpa.

Astm b280 copper tube for air conditioning and refrigeration acr dimensions and working pressures standard specification for seamless copper tube for air conditioning and refrigeration field. 4 1 2 the pipe supports guides anchors and attachments details shall be provided in accordance with. Steel pipe supports recommended distance between steel pipe supports. For pvc pipe the spacing depends on the pipe schedule and operating temperature.

4 1 1 supports for piping systems shall be in accordance with the. Center to center spacing 1 2 o d of the bigger size pipe flange insulation thickness of bigger size pipe if applicable 25 mm 1 2 o d of the smaller size pipe insulation thickness of. Dimensions sizes and dimensions of pipes and tubes and their fittings inside and outside diameter weight and more. For example for copper tubing support spacing varies from 8 ft for 1 tubing to 12 ft for 4.

Process industry practices page 3 of 9. Code pip pnc00004 and this practice. Sufficient gap to accommodate pipe supports with guide plates. The load includes the weight of the pipe proper the content that the pipe carries all the pipe fittings attached to pipe and the pipe covering such as insulation the four main functions of a pipe support are to anchor guide absorb shock and support a specified load.

Distance between supports will minimize the number of supports required which in turn reduce the total cost of erecting these pipe supports. Pipe support span chart is a tabular chart giving a rough idea of supporting distance. 2 5 mm between supports is permissible. Hanger support spacing rod sizes horizontal pipes recommended maximum support span between hangers and rod sizes for straight horizontal pipes.

In the following image fig. 3 pipe support span chart from mss sp 69 is reproduced as a sample.