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air heating systems electric finned tubular duct heater

Basic Info

Model No.: SZ-038

Product Description

air heating systems electric finned tubular duct heater     Brief overview: finned heating element/finned Tubular Heater/fins heater tube is designed for use in natural and forced convection space heating. our range of finned air heaters are suitable for increased heat transfer surface area and where higher wattage is required. Featuring rugged construction, these finned heaters can be used in a multitude of industrial environments. Finned tubular heaters are used for forced convection heating, air or gas heating heating systems. Finned tubular heaters/heating elements are customized to meet your specific application needs.   Electric Heating Elements and finned electric heating tube is make of seamless stainless steel tube, high-quality Mgo,High Ohm NiGr Alloy Wire .and then winded with stainless steel fin. Finned heater tube is more heat exchange efficient than common electric heating tube, that means Finned Heating Elements could standard 3 to 4 times wattage. Finned heater tube is made of advanced production equipment and through strict quality test. Characteristic:fast temperature rise heating uniformity heating exchange efficiently long-time usage appliance.     Product picture:     Tubular element sizes and material: 1.Sheath diametial:7mm-9mm 2.Sheath material:Steel,SS304,SS316, Incoloy 840 and Incoloy 800 3.Sheath lengths:12" to 192" depending on the sheath diameter
Performance ratings:
1. Steel fins on steel sheath---maximum 750°F(400°C) 2. Steel fins on Incoloy or SS sheath--- maximum 750°F(400°C)
3. Stainless steel fins on stainless,Incoloy 840 or Incoloy 800 sheath--- maximum 1200°F(650°C) 
4. Nominal watt density:3-7W/cm² or 20-45W/in²
5. Sheath watt density range:20-85 W/in²(2-13W/cm²) at 4.5 and 5 fins/inch
    Electrical Ratings: 1.Maximum voltage:Up to 600VAV(480V for UL) 2.Resistance Tolerance:+10%,-5% 3.Wattage Tolerance:+5%,-10%     Fin materials and attachment method: Steel&304SS Steel wound with copper wire between fins for oven brazing to sheath.Stainless steel is mechanically wound but can be oven brazed as an option if a bright annealing atmospere is used.   Features: 1, Mechanically-bonded continuous fin assures excellent heat transfer and helps prevent fin vibration at high air velocities.   2, Several standard formations and mounting bushings available.   3,Standard fin is high temperature painted steel with steel sheath.   4,Optional stainless steel fin with stainless steel or incoloy sheath for corrosion resistance.   5,120v, 208v, 240v, 480v available.   6,Maximum Sheath Temperature
750°F (400°C) – Steel        900°F (480°C) - ST.ST./INCOLOY   7,Various shape: straight type,U type, W type,Roude type and so on     Application: Finned tubular heaters provide rapid heat transfer for natural convection or forced air space heating in industrial process air heating systems.finned tubular heaters start out as a standard tubular heater with the fins being attached on a custom built finning machine. These heaters are used in the heating of closed areas, in air conditioning plants, in the forced ventilation used as part of packaging processes and in drying ovens.  A proper choice of the construction materials allows to reach fluid operating temperatures up to 120 ~ 200 °C. Finned tubular heaters/heating elements are customized to meet your specific application needs. for example as below:   1.Caustic Cyanide used in gold processing   2.Hot water storage   3.Asphalt Wax   4.Caustic solutions Detergent   5.Sterilizing equipment   6.Heating oils   7.Plastic processing&packaging machinery   8.Ovens&dryers   9.Dies&Tools    10.Water& Oil heating appliances   11.Vending machines   12.Kitchen equipments   13.Medical equipments     Pls advise when inquiry: 1.Type of Heater
2. Wattage and Voltage
3. Diamensiom of the tube and approx length of the heating tube 4. Drawing required for special configuration 5.Working environment 6.Trial or sample order is also welcome.   More pictures of our finned heating elements:      \    

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