Straight Length Tubular

AccuTherm’s years of manufacturing and application experience has been combined to provide a high quality product, off the shelf, at low cost.

It is our goal to provide you, the customer, with the finest product available, engineered to do the desired job in your application, at the lowest cost. Our stock allows us to do this with minimum lead time.

Approvals

Product Inquiry

Standard Features

UL & CSA Recognition.

Incoloy 840 sheath standard on all items-allows for the widest coverage of applications and temperatures, plus gives a margin of safety should there by any unknown corrosives or contaminants in the application.

High purity MgO powder compacted to provide maximum heat conductivity and optimum dielectric strength.

Type ‘A’ 80/20 resistance wire sized to provide lowest wire watt density for maximum life.

Fusion welded junction between pinlresistance wire to provide a 360° circumferential joint, giving superior strength and life

Choice of end seals for a variety of applications. See item 2, adjacent column.

Integral cold pins centered in compacted MgO of nickel plated steel to provide optimum in current carrying capacity.

100% inspected for:
A. Dielectric or Hi-Pot between conductors and sheath.
B. Insulation resistance.
C. Wattage.

All stock Tubular Heaters are recognized components under U.L. file #E78533.

Optional Features

Mounting methods:
a.) Bulkhead fittings
b.) Brackets
c.) Flanges

End seals:
a.) Silicone resin for 300° F continuous maximum temperatures and the most economy.
b.) Epoxy for 266° F continuous maximum temperatures and high moisture areas.
c.) Vulcanized overmolded leads.
d.) Ceramic to metal end seals.

Formations to nearly every imaginable configuration–see link below.

Terminations-leadwires, plate terminals with screws, threaded stud.

Other sheath materials available; copper, steel, stainless, Monel 400, lnconel 600, Carpenter 20, Hastelloy and Titanium. Consult factory.

Special lengths, wattages and voltages.

20-23 watts/in2 0.430" dia

SHEATH
LENGTH
“A”
HEATED
LENGTH
“B”
WATTS
VOLTS
CATALOG
NUMBER
27 ¼
21 ¼
750
240
480
ST42-75-2
ST42-75-4
38 ⅜
28 ⅜
1000
240
480
ST42-100-2
ST42-100-4
43
37
1250
240
480
ST42-125-2
ST42-125-4
52 ¾
42 ¾
1500
240
480
ST42-150-2
ST42-150-4
68 ¾
58 ¾
2000
240
480
ST42-200-2
ST42-200-4
83 ¾
73 ¾
2500
240
480
ST42-250-2
ST42-250-4
98 ¼
88 ¼
3000
240
480
ST42-300-2
ST42-300-4
106 ¼
96 ¼
3333
240
480
ST42-333-2
ST42-333-4
132 ¼
122 ¼
4167
240
480
ST42-416-2
ST42-416-4
158 ¼
148 ¼
5000
240
480
ST42-500-2
ST42-500-4

20-23 watts/in2 0.315" dia

SHEATH
LENGTH
“A”
HEATED
LENGTH
“B”
WATTS
VOLTS
CATALOG
NUMBER
15 ¼
9 ¾
250
120
240
ST32-25-1
ST32-25-2
20 ¼
15 ¾
375
120
240
ST32-37-1
ST32-37-2
27 ¼
21 ¾
500
120
240
ST32-50-1
ST32-50-2
42 ¼
36 ¾
750
120
240
ST32-75-1
ST32-75-2
55 ½
50
1000
120
240
ST32-100-1
ST32-100-2
80 ½
75
1500
120
240
ST32-150-1
ST32-150-2

30 watts/in2 0.430" dia

SHEATH
LENGTH
“A”
HEATED
LENGTH
“B”
WATTS
VOLTS
CATALOG
NUMBER
15
10
400
240
480
ST43-40-2
ST43-40-4
20
15
600
240
480
ST43-60-2
ST43-60-4
25
20
800
240
480
ST43-80-2
ST43-80-4
30
25
1000
240
480
ST43-200-2
ST43-200-4
35
30
1200
240
480
ST43-220-2
ST43-220-4
40
35
1400
240
480
ST43-240-2
ST43-240-4
45
40
1600
240
480
ST43-260-2
ST43-260-4
50
45
1800
240
480
ST43-280-2
ST43-280-4
55
50
2000
240
480
ST43-200-2
ST43-200-4
60
55
2200
240
480
ST43-220-2
ST43-220-4
65
60
2400
240
480
ST43-240-2
ST43-240-4
70
65
2600
240
480
ST43-260-2
ST43-260-4
75
70
2800
240
480
ST43-280-2
ST43-280-4
80
75
3000
240
480
ST43-300-2
ST43-300-4
90
85
3500
240
480
ST43-350-2
ST43-350-4
100
95
4000
240
480
ST43-400-2
ST43-400-4
110
105
4500
240
480
ST43-450-2
ST43-450-4
120
115
5000
240
480
ST43-500-2
ST43-500-4

30 watts/in2 0.315" dia

SHEATH
LENGTH
“A”
HEATED
LENGTH
“B”
WATTS
VOLTS
CATALOG
NUMBER
15
10
300
120
240
ST33-30-1
ST33-30-2
20
15
400
120
240
ST33-40-1
ST33-40-2
25
20
600
120
240
ST33-60-1
ST33-60-2
30
25
800
120
240
ST33-80-1
ST33-80-2
35
30
900
120
240
ST33-90-1
ST33-90-2
40
35
1000
120
240
ST33-100-1
ST33-100-2
45
40
1200
120
240
ST33-120-1
ST33-120-2
50
45
1400
120
240
ST33-140-1
ST33-140-2
55
50
1600
120
240
ST33-160-1
ST33-160-2
60
55
1700
120
240
ST33-170-1
ST33-170-2
65
60
1800
120
240
ST33-180-1
ST33-180-2
70
65
2000
120
240
ST33-200-1
ST33-200-2
75
70
2200
120
240
ST33-220-1
ST33-220-2
80
75
2400
120
240
ST33-240-1
ST33-240-2
90
85
2600
120
240
ST33-260-1
ST33-260-2
100
95
3000
120
240
ST33-300-1
ST33-300-2

30 watts/in2 0.260" dia

SHEATH
LENGTH
“A”
HEATED
LENGTH
“B”
WATTS
VOLTS
CATALOG
NUMBER
15
10
250
120
240
ST23-25-1
ST23-25-2
20
15
400
120
240
ST23-40-1
ST23-40-2
25
20
500
120
240
ST23-50-1
ST23-50-2
30
25
600
120
240
ST23-60-1
ST23-60-2
35
30
800
120
240
ST23-80-1
ST23-80-2
40
35
900
120
240
ST23-90-1
ST23-90-2
45
40
1000
120
240
ST23-100-1
ST23-100-2
50
45
1100
120
240
ST23-110-1
ST23-110-2
55
50
1200
120
240
ST23-120-1
ST23-120-2
60
55
1400
120
240
ST23-140-1
ST23-140-2
65
60
1500
120
240
ST23-150-1
ST23-150-2
70
65
1600
120
240
ST23-160-1
ST23-160-2
75
70
1800
120
240
ST23-180-1
ST23-180-2
80
75
2000
120
240
ST23-200-1
ST23-200-2

Brochures

Closed Tank Heating

Watt Density

Percentage of Wattage

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heating solution?

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