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Application:

Ensure precise temperature measurement with our alumina thermocouple insulators, available in single and multi-hole configurations. Made from high-purity alumina ceramic, these insulators offer exceptional electrical resistance and thermal stability.

  • Material: Ceramic Alumina
  • Size: Refer To Size Guide
  • Usage: High Temp, Protection
Thermocouple Insulators

Peena Trades Thermocouple Ceramic Insulators: High-Temperature Protection.

Section 1: Durable & Reliable Insulation

Peena Trades offers two exceptional grades of thermocouple ceramic insulators for superior high-temperature protection:

60% Alumina (One End Closed + 2/4 Holes):

Withstands temperatures up to 1500°C (2732°F).

Ideal for cost-effective protection in moderate to high-heat environments.

Available in single and multi-hole configurations for diverse thermocouple needs.

99.7% Alumina Tube (One End Closed + 2/4 Holes):

Withstands temperatures up to 1800°C (3272°F).

Superior strength and heat resistance for demanding applications.

Offered with one closed end and 2 or 4 holes for specific thermocouple placements.

Section 2: Applications for Diverse Needs

These high-grade ceramic insulators are crucial for various thermocouple applications:

Industrial Furnaces & Ovens: Protect thermocouples in high-heat environments for accurate temperature monitoring.

Power Generation Plants: Ensure reliable temperature readings in boilers, turbines, and other high-temperature equipment.

Chemical & Petrochemical Processes: Withstand demanding temperatures in reactors, vessels, and pipelines.

Thermocouple Ceramic Insulator Single & Multi Hole
Sr.No O.D. I.D. Length Hole
1 1.1 0.4 18 1
2 2.1 0.8 50 1
3 2.9 1.9 50 1
4 2.7 0.6 25 4
5 3.1 0.6 25 2
6 3.1 0.8 25 2
7 3.5 2.8 25 1
8 3.5 1 25 2
9 3.5 0.6 25 4
10 3.5 0.6 25 6
11 3.7 0.6 25 2
12 3.7 0.6 25 4
13 3.7 0.6 25 6
14 3.8 1 25 2
15 4 0.6 25 2
16 4 0.6 25 4
17 4.2 1.5 25 (Oval) 2
18 4.5 0.6 25 2
19 4.5 1.5 25 4
20 4.5 1.5 25 2
21 5 1.5 25 2
22 5 1.5 25 4
23 5.5 0.6 25 6
24 5.5 1.5 25 4
25 5.5 1.7 25 2
26 6 2 25 4
27 6.5 2 25 2
28 6.5 2 25 4
29 7 2.5 25 2
30 7.5 2.2 25 4
31 8 2.9 25 2
32 9.1 2.9 25 2
33 9.1 2.3 25 4
34 9.5 2.3 25 2
35 10 3.5 25 2
36 11 3.8 25 2
37 11 3.2 25 6
38 12 3.3 25 6
39 12 3.8 25 4
40 12 4.4 25 2
41 13 3.5 25 2
42 13.5 3.3 25 6
43 14 3.8 25 4
44 14.5 4.2 25 2
45 15 3.7 25 2
46 16 3.8 25 6
47 16 5.2 25 2
48 16.5 4.1 25 6
49 17 2.9 25 4
50 17 6 25 2
General Tolerance: + 0.2 mm or 2 % which ever is higher

60% Alumina Tube One end closed (Pythagoras), Use up to 15000 C
Tube Length MM 100-450mm 451-610mm 611-750mm 751-1030mm 1031-1200mm 1201-1300mm
ODMM*IDMM USD$ USD$ USD$ USD$ USD$ USD$
12MM*8MM 2.61 4.32 5.49 7.38 11.7 -
15MM*11MM 3.06 4.59 5.76 8.01 11.97 17.55
18MM*14MM 3.33 5.04 6.21 8.73 12.6 18.09
20MM*15MM 3.6 7.83 6.84 9.45 13.14 18.54
22MM*17MM 3.96 6.39 7.74 11.08 14.49 19.35
25MM*20MM 4.23 6.84 8.46 11.88 15.12 20.43
29MM*22MM 5.76 8.64 10.98 15.39 16.56 21.87
32MM*25MM 6.03 10.08 11.34 16.11 22.5 26.37
Tolerance: Length + 3MM Diameter + 1MM

99.7% Alumina Tube One end closed (Alsint), Use up to 18000 C
Tube Length H MM 300mm 450mm 530mm 600mm 650mm 740mm 900mm 1030mm 1200mm 1430mm 1500mm
ODMM*IDMM USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$
6MM*4MM 6.57 8.1 9.44 10.15 10.75 11.71 14.21 16.36 19.11 23.29 -
8MM*5MM 6.93 8.73 10.27 11.23 12.42 13.98 16.84 19.11 22.69 26.28 -
10MM*6MM 8.37 10.27 11.97 13.38 14.57 16.6 19.83 22.46 26.28 30.94 -
12MM*8MM 9.54 11.97 13.98 15.53 16.84 19.11 22.69 25.92 29.86 35.48 37.62
15MM*10MM 11.97 15.12 17.8 19.95 21.62 24.49 29.5 33.44 38.22 45.39 47.79
20MM*15MM 15.12 18.28 21.5 24.49 26.76 29.86 36.43 41.69 48.61 57.93 59.76
24MM*18MM 19.71 22.81 26.88 29.86 32.37 36.43 44.19 50.17 58.53 68.68 71.91

60% Alumina Tube- 2/4 Holes (Pythagoras), Use up to 15000 C
Tube Length MM 151-300mm 301-450mm 451-600mm 601-750mm 751-1000mm 1001-1200mm 1201-1300mm
ODMM*BORE USD$ USD$ USD$ USD$ USD$ USD$ USD$
3.6mm*0.8mm 1.53 2.34 2.88 3.98 4.14 6.3 8.28
5.1mm*1.1mm 1.53 2.34 2.88 3.98 4.14 6.3 8.28
7.2mm*1.4mm 1.53 2.34 2.88 3.98 4.14 6.3 8.28
8.5mm*1.3mm 1.53 2.34 2.88 3.98 4.14 6.3 8.28
8.5mm*1.7mm 1.53 2.34 2.88 3.98 4.14 6.3 8.28
11mm*2.4mm 1.98 2.79 3.78 4.68 6.3 7.56 9.54
13.5mm*3.8mm 1.98 2.79 3.78 4.68 6.3 7.56 9.54

99.7% Alumina Tube One end closed (Alsint), Use up to 18000 C
Tube Length MM 25 150 300 480 630 770 1060 1280 1470
ODMM*BORE USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$ USD$
3.5mm*1.0mm 0.117 1.44 2.88 4.68 6.03 7.47 10.8 12.51 14.13
4.5mm*1.2mm 0.117 1.44 2.88 4.68 6.03 7.47 10.8 12.51 14.13
5.5mm*1.2mm 0.117 1.98 3.96 6.39 8.37 10.17 13.95 16.83 19.35
7.2mm*1.4mm 0.117 2.43 4.86 7.74 10.17 12.42 17.1 20.61 23.76
8.5mm*1.8mm 0.117 2.43 4.86 7.74 10.17 12.42 17.1 20.61 23.76
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