Rack conveyor dishwashers

Protech 31-20.3

lavastoviglie industriali a nastro
A certainty for extreme workloads.
The Protech 31-21.2 industrial rack conveyor dishwasher is part of the new Colged line designed for particularly heavy-duty uses: when the duration of the work shifts lengthens and the load of dirt on the dishes is high, the DuoRinse sequential rinsing system comes into play for maximum efficiency. Extreme ease of cleaning and maintenance of the Protech line: thanks to a special rinsing module, they are equipped with a full-width door which makes accessibility optimal. The interface is simple and intuitive with the LED control panel.


Rack size

50 x 50 cm

Maximum height for glasses

45 cm
Lavastoviglie Colged

Maximum height for dishes

45 cm

Maximum height for trays

GN1/1 (60 x 40)

Technical specifications


ProRinse pre-wash, wash 1, wash 2 and multiple rinse

Maximum productivity

320 racks/hour

Dimensions W x D x H

3348 x 770 x 1615 cm

Door/hood opening

45 cm

Power with hot water supply

43,9 kW

Power with cold water supply

64,4 kW

Power with plus heat recovery system

57,6 kW

Maximum water consumption*

490 litres/hour

Maximum water consumption*

1,5 litres/rack

* calculated on High Capacity programme

Protech 31-20.3 is the perfect solution for



Viale Europa, 24 – 37045
Legnago (VR) – ITALY

Customers areas


Viale Europa, 24 – 37045
Legnago (VR) – ITALY