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Tubes
Ceramic Protection TubesMultipoint Assemblies

Mullite, Alumina and Silicon Carbide Protection Tubes are Used in Many Diversified Industries

The advantages of these protection tubes are resistance to high temperatures, and thermal shock. Also, they have good abrasion resistance, high dielectric strength and chemical inertness. The use of alumina protection tubes are primarily to protect noble metal thermocouples, such as platinum, rhodium and tungsten/rhenium. Standard protection tube lengths in stock: 12", 18", 24", 30", 36".
Available in lengths of 42", 48" and 60".

Thermowells & Protection TubesThermowells & Protection Tubes

EXAMPLE: To order a 7/16 x 11/16 Alumina Protection Tube 24" Long with a Mounting Fitting - W33F-A-24"

All mounting fittings are carbon steel, stainless steel upon request.
Standard tube materials are Mullite and 99.7% alumina.

Type
Number
w/Fitting
Type
Number
w/o Fitting
Tube
I.D.
Inches
Tube
O.D.
Inches
Mounting
Connection
NPT
Head
Connection
NPT
W30F W30 .150 .250 1/4" 1/4"
W31F W31 1/4" 3/8" 1/2" 1/2"
W32F W32 3/8" 1/2" 3/4" 1/2"
W33F W33 7/16" 11/16" 3/4" 1/2"
W34F W34 1/2" 3/4" 3/4" 1/2"
W35F W35 5/8" 7/8" 1" 1/2"
W36F W36 3/4" 1" 1 1/4" 3/4"

Silicon Carbide Protection Tubes are suitable for non-ferrous metal, molten aluminum, magnesium, and die cast alloys.

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