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[ Tempering Furnaces with Atmosphere Circulation PP ]
Volume: from 20 - 540L 
Max. temp. 450°C/ 650°C/ 850°C
 
The LAC line of PP tempering furnaces with forced circulation of the inner atmosphere are used for special applications like preheating and annealing in industry, or the preheating of molds. The standard PP design includes a durable stainless steel muffle with high mechanical and corrosion resistance, shelves and a manually controlled ventilation flap. The PP's horizontal air circulation ensures even air flow around the furnace interior and precise temperature distribution according to DIN 17052-1. The PP's design and top-quality insulation also provide for very low power consumption and operational expenses. The PP comes in 450?, 650? and 850? versions.
 
Application
PP furnaces are used for steel tempering and other heat treatment of materials up to a maximum temperature of 450°C, 650°C or 850°C.
 
Benefits
Stainless circulation insert with long lifetime and high mechanical and corrosion resistance. Horizontal circulation of the inner atmosphere ensures equal temperature distribution inside the inner furnace chamber. High-quality insulating materials secure low furnace operating costs.
 
Standard equipment of the furnace includes:
  • manually operated door opening to the side,
  • HT40AL controller: furnaces for temperature 450°C
  • INDUSTRY controller: furnaces for temperatures 650°C and 850°C
  • shelves (according to the table below),
  • manually controlled ventilation flap,
  • stand
 
Optional accessories for extra charge:
  • inlet of protective atmosphere,
  • semi-gastight furnace design,
  • graphic temperature recorder (the regulator and recorder are located in a small switchboard on the side of the furnace) 
  • RS 232 or RS 485 interface 
  • HT Monit set (includes interface and software)
  • automatic ventilation flap
  • single-handed manual opening (standard for models PP20 through PP140)
  • overpressure cooling
  • optimization of the temperature field to meet DIN 17052-1 ΔT10°C in the inner chamber of the furnace (empty furnace at Tmax)
  • measuring loop calibration  
 
Atypical accessories
  • atypical stand
  • door opening to the left and upwards (options of hydraulic or pneumatic, pantographic hinges) 
  • additional shelves
 
Warranty: 24 months
 
Type LAC  t max Vol. External dimensions
(wxhxd)
Inside retort Inner
(wxhxd)
shelves Input Weight Voltage
  °C l mm mm   Kw kg V
PP20/45 450 20 700x650x1050 300x200x350 - 3 80 230
PP40/45 450 35 800x1450x1050 300x300x400 2 6 95 400
PP70/45 450 70 850x1550x1150 350x400x500 2 8 190 400
PP140/45 450 135 950x1650x1250 450x500x600 2 12 300 400
PP270/45 450 270 1150x1750x1650 600x600x750 2 20 580 400
PP540/45 450 540 1300x1950x1800 750x800x900 2 24 750 400
PP 20/65 650 20 800x650x1050 300x200x350   3 115 230
PP 40/65 650 35 900x1450x1050 350x300x400 2 6 200 400
PP 70/65 650 70 950x1550x1150 350x400x500 2 8 250 400
PP 140/65 650 135 1050x1650x1250 450x500x600 2 12 350 400
PP 270/65 650 270 1250x1750x1615 600x600x750 2 18 580 400
PP 540/65 650 540 1400x1950x1800 750x800x900 2 26 850 400
PP 20/85 850 20 800x650x1050 300x200x350   3,3 115 230
PP 40/85 850 35 900x1450x1050 300x300x400 2 7 160 400
PP 70/85 850 70 950x1550x1150 350x400x500 2 9 200 400
PP 140/85 850 135 1050x1650x1250 450x500x600 2 14 350 400
PP 270/85 850 270 1250x1750x1650 600x600x750 2 20 580 400
PP 540/85 850 540 1400x1950x1800 750x800x900 2 30 850 400

    
LAC Asia Limited Nathan Commercial Building 8-A 430-436 Nathan Road Yaumatai, Kowloon, Hong Kong
E-mail: lac.asia@yahoo.com  sales@lacasia.net  Tel: +852 8192 9862


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