High Temperature FIREROD®

The Watlow HT FIREROD® cartridge heater is especially designed for high-temperature platen applications up to 1600°F (871°C). The HT FIREROD high temperature cartridge heater utilizes the same industry leading design principals used on all of Watlow’s FIREROD products. Taking the cartridge heater one step further enables the HT FIREROD to withstand application temperatures up to 400°F (204°C) higher than standard cartridge heaters.

There are certain differences in the HT FIREROD design which are important in high temperature applications:

HT FIREROD cartridge heaters are specially constructed with an end seal that is virtually airtight to reduce the effects of resistance wire oxidation
The high temperature sheath is treated to improve its emissivity for better heat transfer

Specifications:

Material	Maximum Operating Temperatures		Maximum Watt Densities
Material	°F	°C	W/in²	W/cm²
Platen	1800	982	100	15.5

Platen temperatures to 1600°F (871°C)
Maximum watt density to 100 W/in² (15.5 W/cm²)
Maximum voltage 277VAC to ground
Length tolerance: +0, -4 percent standard diameters; +0, -8 percent for special diameter

Applications:

Thermo plastic
Super plastic forming of titanium aircraft parts
Diffusion bonding to laminate and shape titanium

Features & Benefits:

Features	Benefits
High-temperature seal	Reduces exposure to the atmosphere which minimizes oxidation of the winding wires resulting in longer life of the element Note: First 2 in. (51 mm) must be outside the platen in free air.
Alloy 800 sheath	Transfers heat more efficiently
High emissivity sheath	Provides better heat transfer and longer life

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