Description Overview Inventory number: E-1777 Welker fully automatic tunnel steamer for heat setting of yarn and twist Year 1985 Machine number 1399 Specifications Maximum temperature 150 °C, 4 bar Fully automatic, machine refurbished with installation of PC 3000 controller, Siemens PLC Autoclave diameter 1600 mm, autoclave length 2600 mm Double door tunnel design with automatic loading and unloading through roller conveyors at entrance and exit of the steamer Entry conveyor for 4 trolleys, steamer capacity 2 trolleys, exit conveyor for 4 trolleys Usual working cycle: preheating – vacuum – steam – vacuum – steam – pressure equalization 380 V, 50 Hz, 35 kW Included Supplied with 11 aluminium trolleys for spinning tubes transport, length 120 cm, width 85 cm, height 105 cm