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C-1
APPENDIX C: AIR SUPPLY PIPING
Use the Table below as a guide for sizing the airlines routed to your Gate Opener.
Recommended Pipe Size for Compressed Air Flow to 125 PSI
Air
Volume
Pipe Length – feet (')
Nominal Pipe Diameter – inches (")
CFM
25'
50'
75'
100'
150'
200'
300'
500' 1000'
6
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
1/2"
3/4"
3/4"
18
1/2"
1/2"
1/2"
3/4"
3/4"
3/4"
3/4"
1"
1"
30
3/4"
3/4"
3/4"
3/4"
1"
1"
1"
1-1/4" 1-1/4"
45
3/4"
3/4"
1"
1"
1"
1"
1-1/4" 1-1/4" 1-1/4"
60
3/4"
1"
1"
1"
1-1/4" 1-1/4" 1-1/4" 1-1/2 1-1/2"
90
1"
1"
1-1/4" 1-1/4" 1-1/4" 1-1/4" 1-1/2" 1-1/2"
2"
120
1"
1-1/4" 1-1/4" 1-1/4" 1-1/2" 1-1/2" 1-1/2"
2"
2"
150
1-1/4" 1-1/4" 1-1/4" 1-1/2" 1-1/2"
2"
2"
2"
2-1/2"
180
1-1/4" 1-1/2" 1-1/2" 1-1/2"
2"
2"
2"
2-1/2" 2-1/2"
240
1-1/4" 1-1/2" 1-1/2"
2"
2"
2"
2-1/2" 2-1/2"
3"
300
1-1/2"
2"
2"
2"
2"
2-1/2" 2-1/2"
3"
3"
360
1-1/2"
2"
2"
2"
2-1/2" 2-1/2" 2-1/2"
3"
3"
