High voltage armored thermocouples are mainly used for detecting the temperature of the medium in hydrogenation, catalytic cracking units, and pipelines in the refining industry.
The high-voltage armored thermocouple is mainly composed of WRG □ K-5 □ N spring pressed armored thermocouple, 2500 # fixed flange integral drilled protective tube, and a complete set of accessories designed and manufactured according to special requirements.
Selection Table:
W R G □ K □ – 5 □ G R |
Armored thermocouple high voltage type |
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1 |
Thermocouple division number |
k |
Nickel chromium nickel silicon |
N |
Nickel chromium silicon nickel silicon magnesium |
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E |
Nickel chromium copper nickel (constantan) |
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2 |
Number of armor pairs |
1 |
Single branch type |
2 |
Double branch type |
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3 |
Measurement end type |
3 |
Insulation type |
4 |
Separate insulation type |
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4 |
Tolerance level |
Ⅰ |
0.4 level |
Ⅱ |
0.75 level |
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5 |
Outer diameter of armor doll |
E |
φ3.0 |
F |
φ4.0 |
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G |
φ4.5 |
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H |
φ5.0 |
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J |
φ6.0 |
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K |
φ8.0 |
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6 |
Total length L |
mm |
|
7 |
Material of casing |
A |
1Cr18Ni9Ti |
B |
GH3030 |
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C |
other |
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8 |
insertion length |
mm |
|
Fixed flange protection pipe model |