DSH-Ⅲ B Spear hot air plastic welding machine is an advanced hot air plastic welding equipment, smaller and more efficient. The selection of new products, oil-free air pump at the same time is connected with component integration and high power electronic thermostat additional gun part of overload and short circuit protection of electric light and sound alarm lock system. This product is safe and reliable long life, and has dual control, gun power, temperature control range is wide, broad-minded, low-noise characteristics. Whole small size, light weight, easy to carry, suitable for metallurgy, automobile manufacturing, electricity, electroplating and other industries of plastic equipment manufacturing maintenance. 
 Main technical parameters 
 * Operating Voltage: AC 220V ± 10%   Frequency: 50 HZ (single phase) 
 * Total power: ≤ 2500W  (when the single torch output 1000W) 
 * Adjustable output voltage: 0 ~ 210V 
 * Use the ambient temperature ≤ 40 ℃; air relative humidity <90% (25 ℃) 
 * Noise <60dB (A) 
 * Gun Electric Power: Single> 1000W overload indication when the alarm 
 * Hot air temperature: Dual 60 ~ 500 ℃ 
 * Air Flow: ≥ 500L/min 
 * Can work 
 * The maximum temperature rise of pump components: ≤ 65 ℃ 
 * Welding machine weight: ≤ 11Kg