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Flame-Proof Heat-Tracing thermocouple assemblies are made for use in IEC hazardous areas. They are designed to extinguish flames inside the device, eliminating the potential for ignition of flammable mixtures in the surrounding atmosphere. They are typically used in systems that measure the surface temperature of process pipe that is carrying products whose temperatures must be controlled to prevent freeze-up, or to maintain a viscosity level so that the inner medium will flow. ATEX and IECEx certified assemblies are rated for Ex db IIC Gb and Ex tb IIIC Db locations for applications with process temperatures of 180 ºC or less. These thermocouples are offered in a variety of temperature ranges and are supplied with a 316SS sheath, and a 3/4" radius stainless steel mounting pad.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Configuration Code

 N/A XP07

Agency Approval

 N/A Code HL06 - ATEX/IECEx Flame-Proof Certified Assembly

Thermocouple Types

 N/A Code E - Single
Code J - Single
Code K - Single
Code T - Single
Code EE - Duplex
Code JJ - Duplex
Code KK - Duplex
Code TT - Duplex

Sheath Diameter (316 Stainless Steel) and Insulation Type

 N/A Code 48
Diameter - 1/4 in.
Insulation Type - Magnesium Oxide (MgO)

Code 68
Diameter - 3/8 in.
Insulation Type - Magnesium Oxide (MgO)

Code P48
Diameter - 1/4 in.
Insulation Type - Fiberglass

Code P68
Diameter - 3/8 in.
Insulation Type - Fiberglass

Measuring Junction

 N/A Code U - Ungrounded

Element Options

 N/A Code M - Special Limits of Error
Sheath Length1 N/A Code 0304
Hot Leg - 3 in.
Cold Leg - 4 in.

Code 0306
Hot Leg - 3 in.
Cold Leg - 6 in.

Code 0308
Hot Leg - 3 in.
Cold Leg - 8 in.

Mounting Pad Material

 N/A 304 Stainless Steel

Mounting Pad Width

 N/A 1 in

Mounting Pad Length

 N/A 2 in

Mounting Pad Thickness

 N/A 18 gauge

Radius of Mounting Pad

 N/A Code 18RD
Radius - 3/4 in.
NPT Pipe Size - 1-1/2 in.

Note for Mounting Pads

 N/A Mounting pad is flexible enough to be formed around pipe sizes from 1" to 12" NPS pipe.

Standard Head Terminations

 N/A Code 75T-642E - 4 to 20 mA HART® Field Transmitter with Aluminum Flame-Proof Housing
Code 77T-662E - 4 to 20 mA HART® Field Transmitter with Dual Cavity Aluminum Flame-Proof Housing
Code 93 - Aluminum Flame-Proof Head
Code 94 - 316L Stainless Steel Flame-Proof Head

Standard Head Options

 N/A Code I - Stainless Steel Tag
Code SB - 1/2 in NPT Conduit Reducer Bushing, Aluminum
Code M2 - M20x1.5 Conduit Reducer Bushing, Nickel Plated Brass
Code M5 - M25x1.5 Conduit Reducer Bushing, Nickel Plated Brass
Code T-441 - 4 to 20 mA Isolated Head-Mounted Transmitter
Code T-442 - 4 to 20 mA HART® Isolated Head-Mounted Transmitter
Code T82-00 - 4 to 20 mA Dual Input, Isolated HART® Head-Mounted Transmitter

Note

Note

 N/A HART® is a registered trademark of HART® Communication Foundation.
  • 1 Consult factory for other hot leg lengths or cold leg lengths.