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Ceramic Thermocouple Protection Tubes

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Sizes For Metric etal nM and Molte ns, o ti a c li App ® ITE 650 T A G E M O See -141. on Page A

2 1 ⁄7

Open-end tubes also available.

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Typical Physical Properties ®

Properties Composition

OMEGATITE 450 99.8% Al2O3

Water Absorption Specific Gravity KP/CM3 Gas Permeability Compressive Strength (psi) Tensile Strength (psi) Transverse Strength (psi) Coefficient of Linear Thermal Expansion 24 to 250°C (75 to 480°F) 24 to 500°C (75 to 930°F) 24 to 1000°C (75 to 1830°F) 24 to 1500°C (75 to 2730°F) Approximate Thermal Conductivity (BTU)(in)/(hr)(ft2)(°F) 24°C (75°F) 800°C (1470°F) Maximum Service Temperature Dielectric Constant (1MC) Dielectric Strength (volts/mil) Volume Resistivity (ohm cm) Te Value (Volume Resistivity of 1 mega Ω cm) Hardness (Mohs Scale) Fabrication Methods

0.00 3.85 Gas tight >300,000 30,000 55,000

OMEGATITE® 300 85% mullite 15% glass 0.00 2.8 Gas tight >190,000 18,000 27,000

6.2 x 10-6 7.4 x 10-6 8.5 x 10-6 9.8 x 10-6

3.3 x 10-6 4.0 x 10-6 5.0 x 10-6 -

230 60 1950°C (3540°F) 9.29 >230 1013 800°C (1470°F) 9 Cast

40 25 1750°C (3180°F) 5.80 250 1013 800°C (1470°F) 7.5 Cast

Typical Chemical Analyses Al2O3 ®

OMEGATITE 450 99.8 OMEGATITE® 300 60.0

SiO2

MgO

Na2O

CaO

Fe2O3 Cr2O3

TiO2

MnO

ZrO2

K2O

0.070 38.0

0.050 0.2

0.005 0.2

0.030 0.1

0.025 0.5

0.004 0.5

0.001 -

-

<0.001 0.700

<.003 -

Note: All properties are average for test specimens. Tests were performed according to ASTM specifications.

A-139


MOST POPULAR MODELS HIGHLIGHTED!

Ceramic Thermocouple Protection Tubes

To Order (Specify Model Number) Dimensions Inside Dia. Outside Dia. Tube Length* 12" 1 1 ⁄16" ⁄8" 18" 24" 12" 5 5 ⁄64" ⁄32" 18" 24" 12" 5 1 ⁄32" ⁄4" 18" 24" 12" 3 1 ⁄16" ⁄4" 18" 24" 12" 3 5 ⁄16" ⁄16" 18" 24" 12" 1 3 ⁄4" ⁄8" 18" 24" 12" 5 7 ⁄16" ⁄16" 18" 24" 12" 5 1 ⁄16" ⁄2" 18" 24" 12" 3 1 ⁄8" ⁄2" 18" 24" 12" 7 11 ⁄16" ⁄16" 18" 24" 12" 1 3 ⁄2" ⁄4" 18" 24" 12" 5 7 ⁄8" ⁄8" 18" 24" 12" 3 ⁄4" 1" 18" 24" 12" 7 ⁄8" 1 1⁄8" 18" 24" 12" 1" 1 1⁄4" 18" 24" 300 mm 5 mm 7 mm 450 mm 600 mm

PTRA OMEGATITE® 450 Model Number PTRA-11618-12 PTRA-11618-18 PTRA-11618-24 PTRA-564532-12 PTRA-564532-18 PTRA-564532-24 PTRA-53214-12 PTRA-53214-18 PTRA-53214-24 PTRA-31614-12 PTRA-31614-18 PTRA-31614-24 PTRA-316516-12 PTRA-316516-18 PTRA-316516-24 PTRA-1438-12 PTRA-1438-18 PTRA-1438-24 PTRA-516716-12 PTRA-516716-18 PTRA-516716-24 PTRA-51612-12 PTRA-51612-18 PTRA-51612-24 PTRA-3812-12 PTRA-3812-18 PTRA-3812-24 PTRA-7161116-12 PTRA-7161116-18 PTRA-7161116-24 PTRA-1234-12 PTRA-1234-18 PTRA-1234-24 PTRA-5878-12 PTRA-5878-18 PTRA-5878-24 PTRA-341-12 PTRA-341-18 PTRA-341-24 PTRA-78118-12 PTRA-78118-18 PTRA-78118-24 PTRA-1114-12 PTRA-1114-18 PTRA-1114-24 PTRA-5MM7MM-12 PTRA-5MM7MM-18 PTRA-5MM7MM-24

PTRM OMEGATITE® 300 Price $27 40 54 $27 40 54 $27 40 54 $27 40 54 $40 40 54 $27 40 54 $32 48 64 $27 40 54 $29 43 57 $29 43 57 $28 49 56 $40 60 80 $40 60 80 $50 75 100 $50 75 100 $29 43 58

Model Number PTRM-11618-12 PTRM-11618-18 PTRM-11618-24 PTRM-564532-12 PTRM-564532-18 PTRM-564532-24 PTRM-53214-12 PTRM-53214-18 PTRM-53214-24 PTRM-31614-12 PTRM-31614-18 PTRM-31614-24 PTRM-316516-12 PTRM-316516-18 PTRM-316516-24 PTRM-1438-12 PTRM-1438-18 PTRM-1438-24 PTRM-516716-12 PTRM-516716-18 PTRM-516716-24 PTRM-51612-12 PTRM-51612-18 PTRM-51612-24 PTRM-3812-12 PTRM-3812-18 PTRM-3812-24 PTRM-7161116-12 PTRM-7161116-18 PTRM-7161116-24 PTRM-1234-12 PTRM-1234-18 PTRM-1234-24 PTRM-5878-12 PTRM-5878-18 PTRM-5878-24 PTRM-341-12 PTRM-341-18 PTRM-341-24 PTRM-78118-12 PTRM-78118-18 PTRM-78118-24 PTRM-1114-12 PTRM-1114-18 PTRM-1114-24 PTRM-5MM7MM-12 PTRM-5MM7MM-18 PTRM-5MM7MM-24

Price $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $14 21 28 $16 23 30 $35 52 69 $32 49 65 $49 73 98 $45 68 91 $16 23 30

* Length: The tube lengths shown are standard lengths for a tube without any fittings. Special lengths are also available. Consult Sales. Tolerance: ±5%. See page A-139 for diagrams with fittings. For Protect Discount Schedule Important Ordering Notes with Custo ion Tubes m 1-10 units . . . . . . . . . . . .Net Fittings Ple Lengths or Fittings: When ordering tube with fitting specify the ase Consu 11-24 units . . . . . . . . . .10% lt Custom En fitting number (1, 2, 3) after the model number. gineering 25-100 units . . . . . . . . .20% 1 1 1 1 1. ⁄2" x ⁄2" NPT: Fits tubes from 6.0 to 12.5 mm ( ⁄4" to ⁄2") OD 2. 1⁄2" x 3⁄4" NPT: Fits tubes from 8.0 to 19.0 mm (3⁄8" to 3⁄4") OD 3. 7⁄8" x 27NS Brass Ferrule 50 mm (2") long: Fits tubes from 17.5 mm (11⁄16") OD tubes to 1⁄4" OD For tube with any of the above fittings add $30 to the price of the tube. Example: PTRA-31614-12-1 price $27 + 30 = $57. Add “open both ends” and pricing option $10.

A-140

101-500 units

. . . . . . .30%

Quantity discount applies to like tubes. Other sizes, materials, and configurations by quotation.

Ordering Examples: PTRM-11618-12, standard tube with no fitting, $14. PTRM-11618-12-1, standard tube, 1⁄2 x 1⁄2" NPT fitting, $14 + 30 = $44.

A


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