System of waste-damage and laundry chutes

Design and principle of operation of laundry chutes are similar to waste chutes.
The only principle difference is diameter of standpipe. System of laundry chutes is intended for delivery of linen from the floors of hotel in laundry.
Laundry chute is designed for delivery of linen from floors to laundry in hotels, sanatoriums, hospitals, children’s preschool institutions. The laundry chute is made from sheet stainless steel of 1,5mm thickness. Laundry collector is located at the bottom of laundry chutes. Automatic fire valve is located between laundry collector and standpipe. Fire-arresting damper of fire valve automatically shuts down standpipe of laundry chute in case of fire. The laundry chute standpipe diameter is 610mm. Feed door slit size is 460mm х 460mm. Feed door is equipped with electromechanical lock, which blocks all doors if any of laundry chute door is open at this time. At the top of feed door a sprinkler is located to suppress fire in the laundry chute standpipe automatically. The laundry chute is terminated with ventilation unit with 300mm diameter of stainless steel pipe (sheet of 1,5mm thickness) and running to building roof.