Support span for Carbon Steel piping systems

Expired

Spans are based on uninsulated pipe filled with water.

Pipe support spans and deflections are in millimetres.

Maximum deflection specified is at center of span.

Dia mm Dia inches Pipe Schedule Support
Span		 Maximum
Deflection		 Support
Span		 Maximum
Deflection
20 3/4 80 3000 10 2800 6.35
25 1 80 3950 13 3200 6.35
40 1 1/2 40 5150 19 3950 6.35
50 2 40 5750 25 4300 6.35
50 2 80 6050 25 4450 6.35
80 3 40 7600 25 5300 6.35
100 4 40 8200 25 5900 6.35
150 6 40 10000 25 7000 6.35
200 8 30 10950 25 9400 12.7
250 10 20 11550 25 10100 12.7
250 10 40 12500 25 10600 12.7

Dia mm Dia inches Pipe Schedule Support
Span		 Maximum
Deflection		 Support
Span		 Maximum
Deflection
300 12 20 12150 25 10800 12.7
300 12 STD 13400 25 11400 12.7
350 14 10 12800 25 11150 12.7
350 14 STD 14000 25 11800 12.7
400 16 10 13400 25 10400 12.7
400 16 STD 14600 25 11200 12.7
450 18 10 13700 25 10900 12.7
450 18 STD 15200 25 11700 12.7
500 20 10 14300 25 11200 12.7
500 20 20 15800 25 12100 12.7
600 24 10 14900 25 11800 12.7
600 24 20 16700 25 12800 12.7
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