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JOHNSON HIGH TEMPERATURE POT FURNACES

Temperature range: 1200oF. to 1600oF.

These rugged low cost furnaces are recommended for liquid hardening with salts, lead, or cyanide.  They are designed to meet the heavy demands of industry.  Powerful, quiet Johnson blowers assure maximum performance and quick recovery.  Burner port design and placement prevents flame infringement on pots assuring longer pot life and uniform bath temperatures; side exhaust vents keep hot gases from the operator.

Furnaces are constructed of heavy gauge welded and reinforced steel with cast iron top rim.   They are lined with high temperature refractory insulation backed up with highest quality insulating fire brick.  They feature Johnson Spark Ignition and come complete with steel pot.

Automatic temperature controls to adjust temperatures down to 1200o F. are available at an additional cost.

 

 (L to R) No. 530, No. 575, No. 568 Furnace

Furnace Number Pot Size (inches) Overall  Size
(inches)
Gas Connection
(inches)
Gas Input Approx. Ship Weight

 

W L D W L D Pipe Size BTU/Hr Lbs
528 16 16 18 42 36 34 1.0 300,000 1500
530 16 24 18 42 45 38 1.0 400,000 1700
535 30 42 24 54 64 44 1.5 1,500,000 3600
Furnace No. 568, and 580 are furnished with No. 1218 Blower.
  Dia. Depth Dia Depth      
568 6 8 25 25 0.75 80,000 398
580 8 10 26 25 0.75 125,000 460
Furnace No. 565, No. 565A, No. 575A, 575B, and 575 are furnished with a 1207 Blower
565 10 12 35 27 1.0 240,000 950
565A 10 14 35 27 1.0 240,000 975
575A 14 16 45 32 1.0 400,000 1850
575B 14 18 45 32 1.0 400,000 1875
575 14 20 45 32 1.0 400,000 1900