Introduction | Mighty Watt Cartridge Heaters | SST & QST Split Sheath Insertion Heaters | Bolt Heaters

MAXI-ZONE HIGH TEMPERATURE INSERTION HEATERS


A .935" diameter 240 volts single zone B .935" diameter 240 volts two or three zone C .685" diameter 240 volts single zone D .685" diameter 240 volts two or three zone E .935" diameter 480 volts single zone F .935" diameter 480 volts two or three zone G .685" diameter 480 volts single zone H .685" diameter 480 volts two or three zone
Consult Ogden for other diameter and voltage limitations

Transition Adaptors
Maxi-Zone
Diameter
Diameter B
.495" 1-3/8" 1-1/2"
.685" 1-3/8" 1-1/2"
.935" 1-3/8" 1-1/2"

Maxi-Zone
Diameter
Diameter B
.495" 1-1/4" 1-1/4"
.685" 1-1/4" 1-1/4"
.935" 1-5/8" 1-5/8"

Transition Bending

Mounting brackets or stop washers in unheated area ­ Consult Ogden.
Watt Density
To determine watt density, cold areas need be subtracted from the Sheath Length to determine the Effective Heated Length. A 1-3/4" cold area exists at the bottom end of the Maxi-Zone, and a 1" cold area is necessary between zones. The cold area required at the termination area depends upon the ambient temperature. The minimum cold area is generally 18% of the entire heated length and is increased as the ambient temperature increases. Consult Ogden for design assistance based upon application requirements.

  Type 1 Type 2 Type 3 Type 4
 Minimum cold section at terminal end        
.495" 2" 6-1/2" 7-1/2" 11"
.685" 2" 6-1/2" 8" 13"
.935" 2" 8" 10" 17"
 Minimum bending radius        
.495" -- -- 1-1/8" 1-1/8"
.685" -- -- 1-1/2" 1-1/2"
.935" -- -- 2-1/2" 2-1/2"
 Minimum straight length in cold section        
.495" 2" 6-1/2" 4" 4"*
.685" 2" 6-1/2" 4" 4"*
.935" 2" 8" 4" 4"*
 * 4" before termination - 1-1/2" between radius of bends

Dia. Min. Heated
Length Per Zone
Min. Heated
Length
Max. Heated
Length
.495" * 8" 170"
.685" 8" 8" 172"
.935" 8" 8" 165"
 * .495" diameter available in single zone only


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OGDEN MANUFACTURING CO.
103 Gamma Drive, Pittsburgh, PA 15238
phone 800-OMC-4921 or 412-967-3906
fax 888-OMC-9890 or 412-967-3930