flanged immersion heaters
Flange Size
C
D. Max
E
F
G
H
J
K
3″ – 150#
3 ½
2 ⅞
4
7 ½
6
4
¾
1 5⁄16
5″ – 150#
5
4 ⅝
6
10
8 ½
8
⅞
1 5⁄16
6″ – 150#
5
5 ½
6
11
9 ½
8
⅞
1 5⁄16
3" - 150#
3″ – 150#
48 Watts per sq. inch – Water & Mild Solutions
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
6
1
1
3H3-60-3
3H3-60-5
16
19 ⅞”
240
480
7.5
1
1
3H3-75-3
3H3-75-5
16
25 ¼”
240
480
9
1
1
3H3-90-3
3H3-90-5
17
33″
240
480
12
1
1
3H3-120-3
3H3-120-5
18
40 ¾”
240
480
15
1
1
3H3-150-3
3H3-150-5
20
48″
240
480
18
1
1
3H3-180-3
3H3-180-5
21
52″
240
480
20
1
1
3H3-200-3
3H3-200-5
21
61 ½”
240
480
25
1
1
3H3-250-3
3H3-250-5
22
78″
240
480
30
1
1
3H3-300-3
3H3-300-5
23
3″ – 150#
23 Watts per sq. inch – Light wt. oils, caustics, air, & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
3
1
1
3M3-30-3
3M3-30-5
16
25¼”
240
480
4.5
1
1
3M3-45-3
3M3-45-5
17
33″
240
480
6
1
1
3M3-60-3
3M3-60-5
18
40 ¾”
240
480
7.5
1
1
3M3-75-3
3M3-75-5
20
48″
240
480
9
1
1
3M3-90-3
3M3-90-5
21
52″
240
480
10
1
1
3M3-100-3
3M3-100-5
21
65″
240
480
12.5
1
1
3M3-125-3
3M3-125-5
22
78″
240
480
15
1
1
3M3-150-3
3M3-150-5
23
3″ – 150#
13 Watts per sq. inch – Med. wt. oils, No. 4 & 5 fuel oil, corrosives, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
1.5
1
1
3L3-15-3
3L3-15-5
16
25¼”
240
480
2.25
1
1
3L3-22-3
3L3-22-5
17
33″
240
480
3
1
1
3L3-30-3
3L3-30-5
18
40 ¾”
240
480
3.75
1
1
3L3-37-3
3L3-37-5
20
48″
240
480
4.5
1
1
3L3-45-3
3L3-45-5
21
52″
240
480
5
1
1
3L3-50-3
3L3-50-5
21
61 ½”
240
480
6.25
1
1
3L3-62-3
3L3-62-5
22
78″
240
480
7.5
1
1
3L3-75-3
3L3-75-5
23
3″ – 150#
8 Watts per sq. inch – Heavy oils, #6 & Bunker C fuel oils, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
25¼”
240
480
1.5
1
1
3V3-15-3
3V3-15-5
17
33″
240
480
2
1
1
3V3-20-3
3V3-20-5
18
40 ¾”
240
480
2.5
1
1
3V3-25-3
3V3-25-5
20
48″
240
480
3
1
1
3V3-30-3
3V3-30-5
21
52″
240
480
3.3
1
1
3V3-33-3
3V3-33-5
21
65″
240
480
4.2
1
1
3V3-42-3
3V3-42-5
22
78″
240
480
5
1
1
3V3-50-3
3V3-50-5
23
5" - 150#
5″ – 150#
48 Watts per sq. inch – Water & Mild Solutions
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
12
1
1
5H6-12-3
5H6-12-5
30
19 ⅞”
240
480
15
1
1
5H6-15-3
5H6-15-5
31
25 ¼”
240
480
18
1
1
5H6-18-3
5H6-18-5
33
33″
240
480
24
2
1
5H6-24-3
5H6-24-5
37
40 ¾”
240
480
30
2
1
5H6-30-3
5H6-30-5
40
48″
240
480
36
2
1
5H6-36-3
5H6-36-5
45
52″
240
480
40
2
1
5H6-40-3
5H6-40-5
47
61 ½”
240
480
50
2
2
5H6-50-3
5H6-50-5
50
78″
240
480
60
2
2
5H6-60-3
5H6-60-5
55
5″ – 150#
23 Watts per sq. inch – Light wt. oils, caustics, air, & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
6
1
1
5M6-6-3
5M6-6-5
30
25¼”
240
480
9
1
1
5M6-9-3
5M6-9-5
33
33″
240
480
12
1
1
5M6-12-3
5M6-12-5
37
40 ¾”
240
480
15
1
1
5M6-15-3
5M6-15-5
40
48″
240
480
18
1
1
5M6-18-3
5M6-18-5
45
52″
240
480
20
1
1
5M6-20-3
5M6-20-5
47
65″
240
480
25
1
1
5M6-25-3
5M6-25-5
50
78″
240
480
30
1
1
5M6-30-3
5M6-30-5
55
5″ – 150#
13 Watts per sq. inch – Med. wt. oils, No. 4 & 5 fuel oil, corrosives, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
3
1
1
5L6-15-3
5L6-15-5
30
25¼”
240
480
4.5
1
1
5L6-22-3
5L6-22-5
33
33″
240
480
6
1
1
5L6-30-3
5L6-30-5
37
40 ¾”
240
480
7.5
1
1
5L6-37-3
5L6-37-5
40
48″
240
480
9
1
1
5L6-45-3
5L6-45-5
45
52″
240
480
10
1
1
5L6-50-3
5L6-50-5
47
61 ½”
240
480
12.5
1
1
5L6-62-3
5L6-62-5
50
78″
240
480
15
1
1
5L6-75-3
5L6-75-5
55
5″ – 150#
8 Watts per sq. inch – Heavy oils, #6 & Bunker C fuel oils, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
25¼”
240
480
3
1
1
5V6-15-3
5V6-15-5
33
33″
240
480
4
1
1
5V6-20-3
5V6-20-5
37
40 ¾”
240
480
5
1
1
5V6-25-3
5V6-25-5
40
48″
240
480
6
1
1
5V6-30-3
5V6-30-5
45
52″
240
480
7
1
1
5V6-33-3
5V6-33-5
47
65″
240
480
8.4
1
1
5V6-42-3
5V6-42-5
50
78″
240
480
10
1
1
5V6-50-3
5V6-50-5
 55
6" - 150#
6″ – 150#
48 Watts per sq. inch – Water & Mild Solutions
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
24
2
1
6H12-24-3
6H12-24-5
53
19 ⅞”
240
480
30
2
1
6H12-30-3
6H12-30-5
55
25 ¼”
240
480
36
2
1
6H12-36-3
6H12-36-5
57
33″
240
480
48
4
2
6H12-48-3
6H12-48-5
60
40 ¾”
240
480
60
4
2
6H12-60-3
6H12-60-5
65
48″
240
480
72
4
2
6H12-72-3
6H12-72-5
68
52″
240
480
80
4
2
6H12-80-3
6H12-80-5
70
61 ½”
240
480
100
4
2
6H12-100-3
6H12-100-5
75
78″
240
480
120
4
2
6H12-120-3
6H12-120-5
85
6″ – 150#
23 Watts per sq. inch – Light wt. oils, caustics, air, & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
12
1
1
6M12-12-3
6M12-12-5
53
25¼”
240
480
18
1
1
6M12-18-3
6M12-18-5
57
33″
240
480
24
2
1
6M12-24-3
6M12-24-5
60
40 ¾”
240
480
30
2
1
6M12-30-3
6M12-30-5
65
48″
240
480
36
2
1
6M12-36-3
6M12-36-5
68
52″
240
480
40
2
1
6M12-40-3
6M12-40-5
70
65″
240
480
50
4
2
6M12-50-3
6M12-50-5
75
78″
240
480
60
4
2
6M12-60-3
6M12-60-5
85
6″ – 150#
13 Watts per sq. inch – Med. wt. oils, No. 4 & 5 fuel oil, corrosives, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
18″
240
480
6
1
1
6L12-6-3
6L12-6-5
53
25¼”
240
480
9
1
1
6L12-9-3
6L12-9-5
57
33″
240
480
12
1
1
6L12-12-3
6L12-12-5
60
40 ¾”
240
480
15
1
1
6L12-15-3
6L12-15-5
65
48″
240
480
18
1
1
6L12-18-3
6L12-18-5
68
52″
240
480
20
2
1
6L12-20-3
6L12-20-5
70
61 ½”
240
480
25
2
1
6L12-25-3
6L12-25-5
75
78″
240
480
30
2
1
6L12-30-3
6L12-30-5
85
6″ – 150#
8 Watts per sq. inch – Heavy oils, #6 & Bunker C fuel oils, air & gases
Immersed
Length “B”
Volts
3-Ph.
KW
No.
Circ.
Cat. No.
Wt.
(lbs.)
25¼”
240
480
6
1
1
6V12-6-3
6V12-6-5
57
33″
240
480
8
1
1
6V12-8-3
6V12-8-5
60
40 ¾”
240
480
10
1
1
6V12-10-3
6V12-10-5
65
48″
240
480
12
1
1
6V12-12-3
6V12-12-5
68
52″
240
480
13.3
1
1
6V12-13-3
6V12-13-5
70
65″
240
480
16.7
1
1
6V12-16-3
6V12-16-5
78
78″
240
480
20
1
1
6V12-20-3
6V12-20-5
85