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Conley Product Data & Engineering Guide
Pipe Dimensional Data   Revised 8/14/00
Schedule 90M/90MC
RECOMMENDED OPERATING DATA at 235° F
NOMINAL PIPE
DIA.
ACTUAL
PIPE
I.D.
ACTUAL
PIPE
O.D.
MIN
LINER
THK
(IN)
MIN
REINF
THK
(IN)
FIRE/UV
BARRIER
THK
(IN)
NOM
TOTAL
THK
(IN)
INT
PRESS
(PSI)
1"
0.88
1.32
0.06
0.120
0.040
0.220
300
1 1/2"
1.38
1.88
0.06
0.150
0.040
0.250
250
2"
1.88
2.16
0.06
0.060
0.020
0.140
150
3"
3.00
3.34
0.06
0.090
0.020
0.170
150
4"
4.00
4.51
0.06
0.135
0.060
0.255
150
6"
6.00
6.57
0.06
0.165
0.060
0.285
150
8"
8.00
8.60
0.06
0.220
0.020
0.300
150
10"
10.00
10.68
0.06
0.220
0.060
0.340
150
12"
12.25
13.00
0.06
0.275
0.040
0.375
150
14"
14.25
15.00
0.06
0.275
0.040
0.375
150
16"
16.25
17.11
0.06
0.330
0.040
0.430
150
18"
18.25
19.22
0.06
0.385
0.040
0.485
150
20"
20.25
21.22
0.06
0.385
0.040
0.485
150
NOMINAL
PIPE
DIA.
SIMPLE
SPAN
(FT)
MAX
CONT
SPAN
(FT)
FIXED
END
SPAN
(FT)
WT/FT
(LBS)
CAP
(GAL/FT)
MINIMUM
BEND
RADIUS
(FT)
VAC
PRESS
(PSI)
1"
7.6 9.0 11.4 0.61 0.01 20 2026.3
1 1/2"
9.1 10.7 13.7 1.03 0.03 32 1369.9
2"
8.7 10.2 13.0 0.71 0.10 44 57.8
3"
10.7 12.6 16.1 1.36 0.29 69 52.8
4"
12.6 14.7 18.8 2.74 0.50 93 81.2
6"
14.7
17.3
22.0
4.52
1.20
139
46.2
8"
16.9
19.8
25.3
6.29
2.23
185
26.9
10"
18.1
21.2
27.0
8.88
3.54
231
24.5
12"
20.0
23.5
30.0
11.96
5.40
284
26.0
14"
20.9
24.5
31.3
13.85
7.44
330
16.8
16"
22.6
26.4
33.7
18.12
9.66
376
19.5
18"
24.1
28.2
36.0
22.95
12.18
422
21.7
20"
24.8
29.1
37.1
25.40
15.17
469
16.1