Features:
1. Selected high quality sheath materials (see table below for selection).
2. Precision helical wound nickel-chrome resistance wire.
3. High purity magnesium oxide powder compacted to provide maximum heat
conductivity and optimum dielectric strength.
4. Integral cold pin fusion welded to helical resistance wire provides optimum
current carrying capacity.
5. Threaded screw terminal with ceramic or mica insulator provides a positive connection from lead wire to terminals.
Tubular Heater Standard Sheath Materials
The following are the most common tubular element sheath materials. For other materials consult Hongtai
|
Material |
Material Max. Temp. °C |
Application |
|
Copper |
150 |
Water, non-corrosive liquids |
|
Steel |
400 |
Oil immersion |
|
Stainless Steel 304 |
650 |
Water,Corrosive liquids, food processing |
|
Stainless Steel 316 |
650 |
Corrosive liquids, |
|
Stainless Steel 321 |
650 |
intergranular corrosion situation |
|
Incoloy 800 |
800 |
Water ,Corrosive liquids, air, clamp on |
PHYSICAL AND ELECTRICAL SPECIFICATIONS
|
Sheath Dia. ±0.15mm |
6.4 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
25 |
|
Sheath Length Max. (mm) |
6000 |
6000 |
6500 |
6500 |
7000 |
7000 |
7000 |
7000 |
7000 |
|
Maximum Voltage |
250 |
277 |
480 |
550 |
550 |
550 |
550 |
550 |
550 |
|
Wattage Tolerance |
+5% -10% |
|
Resistance Tolerance |
+10% -5% |
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