For precise soldering work such as chain soldering. Flame size adjustable with a knob on the gas supply pipe, additional flame adjustment with a lever on the air supply. Powered by propane, butane and natural gas.

•     Middleca head: 16 mm
•     Length: 220 mm
•     Middleca connection tubes: 9 mm
•     Weight: 190 g
•     Maximum gas consumption: 0,12 m3/h
•     Maximum air consumption: 0.48 m3/h
  
  Note! strictly observe the parameters listed below. Before connecting the supply lines, check the indications of the reducer in order to prevent leakage and damage to the unit:
  
  SH4:
  
  Propane Butane: 500 mmWS (0.05 bar).
  Natural gas: 220 mmWS (0.022 bar).
  City gas: from 80 to 120 mmWS (0.008 to 0.012).
  Air pressure: 300-800 mmWS (0.14 bar).