400V 50Hz High Pressure Foam PU Dispensing Machine

PU foaming machine

High pressure foam dispensing machine

The high pressure foam dispensing machine provides the components accurate conditioning, metering, mixing and pouring. The process parameters such as the components flow rate are closed loop controlled and are manage by an industrial personal computer.

Technical data

Supply tension: 400 V - 50 Hz

Auxiliaries tension: 24 V cc – 24 Vca

Compressed air: 6/8 bar

Air consumption: 300 NL/min

Pouring working pressure: from 150 to 200 bar

Components temperature: 20 °C

MDI minimum output: 240 Kg/hour

MDI maximum output: 1.200 Kg/hour

Polyol minimum output: 200 Kg/hour

Polyol maximum output: 1.020 Kg/hour

Catalyst minimum output: 8 Kg/hour

Catalyst maximum output: 40 Kg/hour

Pentane minimum output: 20 kg/hour

Pentane maximum output: 80 kg/hour

The above mentioned machine outputs refer to materials with a viscosity not exceeding 2000 cps at a temperature of 20 °C and an average specific weight of 1,1 gr/cc. The outputs values are valid for a main frequency of 50 cycles. The high pressure foam dispensing machine is composed of:

Components storage and feeding group to the metering group

• MDI line complete of double wall carbon steel tank externally insulated, having a capacity of 250 liters, electronic visual level control for automatic loading, loading gear pump ( for tank loading from IBC ), PT 100 probe for temperature control, stainless steel tube nest heat exchanger on recycle circuit of components and plate heat exchanger complete of conditioning unit on component feeding line.

Volumetric gear pump for components feeding to the metering high pressure pump, coupled with electric 3 phase motor controlled by inverter and complete of cartridge filter. Control of feeding pressure with electronic transducer. MDI line complete of cables, electric connections, rigid and flexible hoses and various accessories. Gear pump for tank loading (120 l/min).

• Polyol line complete of double wall carbon steel tank externally insulated, having a capacity of 250 liters, electronic visual level control for automatic loading, loading gear pump (for tank loading from IBC), PT 100 probe for temperature control, stainless steel tube nest heat exchanger on recycle circuit of components and plate heat exchanger complete of conditioning unit on component feeding line. Volumetric gear pump for components feeding to the metering high pressure pump, coupled with electric 3-phase motor controlled by inverter and complete of cartridge filter. Control of feeding pressure with electronic transducer. Polyol line complete of cables, electric connections, rigid and flexible hoses and various accessories. Gear pump for tank loading (120 l/min).

• Catalyst line complete of stainless steel tank, having a capacity of 30 litres, electronic visual level control for automatic loading, pneumatic loading pump for tank loading from IBC. Volumetric gear pump for component coupled with electric 3-phase motor controlled by inverter and complete of cartridge filter.

Output control with mass flow meter. Feeding pressure control with electronic transducer. Catalyst line complete of cables, electric connections, rigid and flexible hoses and various accessories.

• Pre-mixing device for Polyol with Catalyst composed as follows:

• Mixing chamber

• Dynamic mixer

• A.C. three-phases electric motor controlled by inverter

• Motor/mixing chamber coupling by means of magnetic joint

This device is complete with electric cables, wiring connections and hydraulic pipelines and related accessories.

• Water cooler unit ( for components temperature control )

Its function is to supply conditioning water in close loop at constant output and temperature to allow self-adjustment of Polyol and Isocyanate machine working temperature.