Channel Heaters

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Channel Heater

A nickel chromium resistance wire is strung through and supported by a ceramic core. Finely meshed refractory material is vibrated through the remaining air voids to provide good thermal conductivity and dielectric strength. The sheath is seamless stainless steel and with proper surface contact and application considerations can provide sheath temperatures to 900°F/485°C. Because of ease of installation, Proheat Channel Heaters have been used in many industrial applications, such as platens, hot plates, dies, molds, mill slots or any place surface heat is required. Figures TF2 and TF3 can be used as air heaters or in oven applications.

  


 
Standard Specifications
 

Type P
Protective Terminal Box Cover: On T3 Terminal only. Prevents damage to terminals from grounding, short circuiting and foreign material.

 
Type W
without Mounting Tabs
Type L & Type R
Both items have 1/2" NPT internal threads for conduit attachment and are contamination resistant. Type L is shown with welded-on mounting tabs. Type R can also be manufactured with welded-on tabs.
Type C
Armor Cable for abrasion resistant leads.
Type O
Ceramic Terminal Cover: To protect against electrical shock. Wire exit at any angle. Available on Type T1 and T3.
Type S
Teflon Seal: (450°F Maximum) Resists moisture or contaminant from entering terminals.

Specifications

 
Thickness: .3125" +-.005" or .375" +-.005
Width: 1" +-0.10" or 1.5" +-0.10"
Length Tolerance: +-1/16" to 20"
+-1/8" over 20"
Resistance Tolerance: +10% -5%


Ordering Information

 

• Length up to 120” or more (over 90”, consult Proheat)
• Watts and Volts
• Standard with mounting tab – specify Type W for no tab
• Type of termination and lead length if applicable
• Other options