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Application:

These tubes excel in high-temperature environments, provide excellent electrical insulation, and resist wear and tear. Ideal for various industrial uses (depending on specific features of the PYTHAGORAS model), they can be found in applications like furnace liners, hightemperature conduits, and pyrometer sheaths.

  • Material: Ceramic, Upto 1500ºC
  • Size: Refer To Size Guide
  • Usage: High Temp, Protection
  • Note: One End Closed, 2/4 Hole
60% Alumina Tubepythagoras

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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