Installation
April 2020 4-26 06-237619-001
4-8.4 Support of Pipes/Manifolds
4-8.4.1 Pipe Spans
The distance between supports should not exceed the distances stated in Table 4-14.
Supports shall be fastened to an adequate structural member by the use of suitable anchors,
expansion anchors, plugs, or similar means. Anchors and fastening bolts shall be selected in
accordance with the anticipated loads and the dimension of the hole in the relevant bracket.
4-8.4.2 Nozzle Supports
Adequate support shall be provided for nozzles and their reactive forces; in no case shall the
distance from last support be greater than as follows:
• Nominal pipe diameter of
≤ 1”, Max distance ≤ 4”
• Nominal pipe diameter > 1”, Max
≤ 10”
Table 4-14. Pipe Support Distances
Nominal Pipe
Diameter
(in)
Max. Span
(ft)
Max. Free End
(ft)
1/2 4.500 2.500
3/4 5.500 3.000
1 6.500 3.500
1-1/4 7.500 4.000
1-1/2 8.500 4.250
2 11.000 5.500
2-1/12 11.250 5.500
3 12.000 6.000
4 14.000 6.500
5 15.500 6.500
6 17.500 6.500
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