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ETL 1110-9-10(FR)
5 Jan 91
Table 3--2. Typical Surface Area Per Linear Foot of Common Size
Pipe.
Nominal Pipe Size
Outside Diameter (in.)
Sq Ft/Lin Ft
0.840
0.220
3/4
1.050
0.275
1
1.315
0.344
1 1/4
1.660
0.434
1
1.900
0.497
2
2.375
0.621
2
2.875
0.752
3
3.500
0.916
3
4.000
1.047
4
4.500
1.178
5
5.563
1.456
6
6.625
1.734
8
8.625
2.258
10
10.750
2.814
12
12.750
3.338
14
14.000
3.665
16
16.000
4.189
18
18.000
4.712
20
20.000
5.236
22
22.000
5.760
24
24.000
6.283
___________
NOTE: Data on anodes shapes and sizes as well as recommended operating limits
were obtained from the following manufacturers:
APS--Materials Inc.
Oronzio De Nora S.A.
153 Walbrook
P.O. Box 3387
Dayton, OH 45405
Houston, TX 77253--3387
(513) 278--6547
(713) 978--3925
FAX: (513) 278--4352
FAX: (713) 978--3930
Materials Protection Company
P.O. Box 31354
Houston, TX 77231--1354
(713) 270--0952
FAX: (713) 988--0673
As their specifications change from time to time, it is recommended that the
designer contact the companies prior to specifying a particular anode to
determine what is currently available.
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