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* add the required thermocouple length (

*

) as the suffix. 6”, 12” 16”, and 24” are considered stock items.

The Floated stems are coated two thirds of their length.

*

add the required thermocouple length (

*

) as the suffix. 12”, 18” 21”, 24”, and 36” are considered stock items. Dual thermocouples available

Tube and Element

Application

Tube

Inside

Diameter

Inches mm

Shank

Outside

Diameter

Inches mm

Tip

Outside

Diameter

Inches mm Fitting

Part

Number

Refractory Thermocouple Assemblies

Refractory fiber and cement laminate tubes have a maximum

service temperature of 1500°F (815°C). The tubes come

complete with a 20 gauge Type K thermocouple and 36” of

lead wire installed. This eliminates the need to buy them

separately. The tips of the tubes are made from silicon

carbide to increase the response time. Refractory tubes are

used in molten Zinc and Aluminum die casting applications.

These refractory tubes will not shatter like ceramic tubes.

They also will not contaminate the molten metal as a stain-

3/4”

19.1

1 5/8”

41.3 1 7/8” 45.3

3/4”

NPT

20K4RP30-*

Application

Float

Outside

Diameter

Inches mm

Float

Length

Inches mm

Lead Wire

Length

Fitting

Part

Number

Floating Refractory

Thermocouple Assemblies

Refractory Floats are ideal for hand lading applications. They

will read the temperature 3” below the molten metal surface.

A silicon carbide tip gives them a fast response time. Ask one

of our sales engineers for details.

4 1/4” 107.95

6”

152.4

36”

20 Gauge

Type K

3/4”

NPT

20K4FT-*

Float and Element Assemblies

Page 22

Phone: 617.527.4385 Fax: 617.964.3746 Email:

sales@asrichards.com

Refractory Thermocouple Assemblies and Tubes