Marrodán PR53933 Tunnel Pasteurizer (2017)

Marrodán Tunnelpasteur

Overview

Pilot-scale tunnel for the continuous thermal treatment of packaged products by water spray. The unit heats or cools filled containers – PET and glass bottles, jars, cans – as they travel through the tunnel on a modular conveyor belt. Heating and cooling run as separate cycles, one process per pass. Temperature is regulated by a PT-100 probe and a controller acting on a direct steam injection valve, which keeps operation simple and the set point stable.

Frame, tanks and main components are built entirely in AISI 304 stainless steel. The machine was used exclusively in a pilot plant for R&D trials and never ran in full-scale industrial production. It is in excellent condition, well maintained, and already dismantled and stored.

Technical details

- Year of manufacture: 2017
- Treatment zone: 500 mm wide x 2,700 mm long
- Conveyor belt: 500 mm wide perforated modular polypropylene mesh
- Belt speed: adjustable via mechanical variator
- Retention time: adjustable from 5 to 20 minutes
- Throughput: approx. 500 units/h, adjustable
- Overall dimensions: approx. 2,870 x 1,000 x 2,250 mm (L x W x H)
- Material: AISI 304 stainless steel
- Electrical supply: 3 x 400 V + N + PE, 50 Hz
- Total installed power: 1.7 kW (recirculation pump 1.5 kW, conveyor drive 0.18 kW)
- Steam connection: DN 15 at 7.5 bar
- Water connection: 1" at 3 bar
- Compressed air connection: 1/4" at 6 bar
- Vapour extraction: two Ø 154 mm chimney outlets

Equipment

- Spray tunnel with 12 stainless steel full-cone nozzles
- Lower collection tray and tank with float level valve and overflow pipe
- Stainless steel centrifugal recirculation pump
- Automatic temperature control via PT-100 probe and direct steam injection valve
- Vapour capture hoods at infeed and outfeed
- Tank manhole, 185 x 235 mm
- Base frame to set the machine to line working height

Condition and availability

- Used only for R&D trials in a pilot plant, never in industrial production
- Excellent condition, well maintained
- Already dismantled and stored
- Can be inspected on site; loading by the seller possible
- Immediately available
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- Location: Spain