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Thermocouple Tubes, Beads & Sheaths :
THERMOCOUPLE SHEATHS
Hitemp thermocouple sheaths are used as protective covering
over sensing elements. So that the elements are protected from the injurious
effects of the furnace atmosphere. These thermocouple sheaths are manufactured
either by slip casting or by extrution. Vacuum Extruded thermocouple sheaths are
dense & highly impervious & give better life compared to conventional slip casted
ones .
| Thermocouple Sheaths (Length upto 1500 mm) |
| OD |
10 |
12 |
15 |
20 |
22 |
24 |
29 |
32 |
| ID |
7 |
8 |
11 |
15 |
17 |
19 |
22 |
25 |
THERMOCOUPLE BEADS
Hitemp thermo couple beads are used to provide electrical
insulation to the couple which is used for sensing the temperature inside the
furnace. These are single, twin , Four hole bore . These are generally used in small
lengths of 25mm. However longer lengths are sometime preferred in critical
applications.
| Single Hole Sleeves (Length upto 1500 mm) |
| OD |
3.5 |
4.6 |
5.3 |
6.0 |
8.5 |
| Bore |
1.0 |
2.8 |
3.0 |
4.0 |
4.5 |
| Suitable for SWG |
22 |
14 |
13 |
10 |
9 |
| Twin Hole Sleeves (Length upto 1500 mm) |
| OD |
3.5 |
4.0 |
5.0 |
5.5 |
6.5 |
7.1 |
8.3 |
9.0 |
11.0 |
12.0 |
13.5 |
| Bore |
0.8 |
1.0 |
1.2 |
1.5 |
1.7 |
1.9 |
2.8 |
2.5 |
3.3 |
3.8 |
4.5 |
| Suitable for SWG |
25 |
22 |
20 |
18 |
17 |
16 |
14 |
14 |
12 |
11 |
10 |
| Four Hole Sleeves (Length upto 1500 mm) |
| OD |
3.6 |
5.5 |
7.2 |
8.5 |
8.5 |
11.0 |
| Bore |
0.8 |
1.1 |
1.4 |
1.3 |
1.7 |
2.4 |
| Suitable for SWG |
25 |
20 |
18 |
19 |
17 |
14 |
Technical Data
| Alumina Ceramics |
| |
HCI 60 |
HCI 99 |
| AL203 Min |
60 |
99 |
| Sio3 Max |
35 |
0.20 |
| Fe2O3 Max |
0.50 |
- |
| Na2O Max |
1 |
0.20 |
| Sp.Gr. – gms/cc |
2.80 |
3.90 |
| Prosity |
0 |
0 |
| Max.Service Temp –0 C |
1450 |
1800 |
| Gas Permeability |
Nil |
Nil |
| Hardness R45N |
68 |
83 |
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