PTRA-341-12

Ceramic Thermocouple Protection Tubes

Click and hold to zoom

Inner Diameter

Length

12 in 18 in 24 in 36 in 6 in 3 in 300 mm 450 mm 600 mm

Outer Diameter

Process Connection Size

None 3/4 in 1/2 in 7/8 in

Tube Material

99.8% Aluminium Oxide 85% Mullite & 15% Glass

C$100.71 / each

Item# PTRA-341-12

Added to Your Shopping Cart

In Stock

Lead Time (If not in stock): 6 weeks

Brand
Compressive Strength	>300,000 psi
Dielectric Constant	9.29
Dielectric Constant Note	Dielectric Constant (1MC): 9.29
Dielectric Strength	>230 V/mil
Fabrication Methods	Cast
Gas Permeability	Gas Tight
GrossWeightValue	0.15
Hardness	9 Mohs
Hardness Note	Hardness (Mohs Scale): 9
Inner Diameter	0.75 in
Length	12 in
Operating Temperature, Max	1950 °C
Operating Temperature, Min	0 °C
Outer Diameter	1 in
Process Connection Size	None
Process Connection Type	None
Sensing End	Closed
Series ID	PTRA-PTRM
Spec Sheet QR URL	https://www.dwyeromega.com/en-us/ceramic-protection-tubes-with-optional-fittings/PTRA-PTRM/p/PTRA-341-12?guid=701a700000ulrduaaq&utm_source=spec-sheet&utm_medium=qr-code&utm_campaign=prd-sku-spec-sheet&utm_content=auto-generated-sku-level-spec-sheet
Specific Gravity	3.85
Te Value	800 °C
Te Value Note	Te Value (Volume Resistivity of 1 mega Ω cm): 800°C (1470°F)
Tensile Strength	30000 psi
Thermal Conductivity	230 W/mK
Thermal Conductivity Note	Approximate Thermal Conductivity (BTU)(in)/(hr)(ft^2 )(°F) 24°C (75°F): 230 800°C (1470°F): 60
Thermal Expansion Coefficient	6.2 × 10^-6 C^-1
Thermal Expansion Coefficient Note	Coefficient of Linear Thermal Expansion 24 to 250°C (75 to 480°F): 6.2 x 10^-6 24 to 500°C (75 to 930°F): 7.4 x 10^-6 24 to 1000°C (75 to 1830°F): 8.5 x 10^-6 24 to 1500°C (75 to 2730°F): 9.8 x 10^-6
Transverse Strength	55000 psi
Tube Material	99.8% Aluminium Oxide
Volume Resistivity	10^13 Ω-cm
Country of Origin	Germany
See All Specs Show Less

PDFs & Manuals

Compliance

Show Ratings & Reviews