4520-01-257-1485 HEATER,DUCT TYPE,STATIONARY Index 4540-01-257-1487 HEATING ELEMENT,ELECTRICAL,NONIMMERSION TYPE

National Stock Number:
4520-01-257-1486

Federal Supply Class:
4520

National Item Identification Number:
012571486

Description:
HEATER,DUCT TYPE,STATIONARY

Detail:
A DEVICE CAPABLE OF PRODUCING HEAT FROM GAS, LIQUID FUEL, OR AN ELECTRICAL HEATING ELEMENT DESIGNED FOR PERMANENT INSTALLATION IN SHEET METAL DUCTS OF A FORCED AIR CIRCULATING SYSTEM. IT CONSISTS OF (1) A FINNED, STEEL BURNER TUBE, A COMBUSTION AIR BLOWER, A CONTROL PANEL, AND A CONSTANT LEVEL FUEL SUPPLY SYSTEM OR (2) A DEVICE HAVING A HEATING ELEMENT WHICH WHEN CONNECTED TO AN ELECTRICAL SOURCE, DIRECTLY IMPARTS HEAT. IT MAY BE PROVIDED WITH A FLANGED OUTER CASING TO FACILITATE MOUNTING IN PLANNED OR EXISTING DUCT WORK. CIRCULATION OF THE HEATED AIR IS ACHIEVED BY USE OF A BLOWER OR FAN NOT INTEGRAL WITH THE HEATING UNIT.


Manufacturer Information:
106-11912665586CHROMALOX INC
106-119126-08165586CHROMALOX INC
11912608165586CHROMALOX INC
MIL-H-2259481349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
CURRENT RATING IN AMPS41.1
CURRENT TYPEAC
DEPTH32.500 INCHES NOMINAL
FREQUENCY IN HERTZ60.0
HEAT DELIVERY RATE61721.0 BRITISH THERMAL UNIT
HEAT MEDIUM TYPEAIR
HEATING ELEMENT TYPEELECTRIC NONIMMERSION
HEIGHT7.125 INCHES NOMINAL
INCLOSURE MATERIALSTEEL
MOUNTING TYPEVENTILATION DUCT
NONDEFINITIVE SPEC/STD DATAEH32 SIZE AND L TYPE
OPERATING CONTROL TYPEAUTOMATIC CONTROL SWITCH
PHASETHREE
SPECIFICATION/STANDARD DATA81349-MIL-H-22594 REVA AMEND.1 GOVERNMENT SPECIFICATION
VOLTAGE IN VOLTS440.0
WIDTH15.000 INCHES NOMINAL


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