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Rotary Vacuum Paddle Dryers

Rotary Vacuum Paddle Dryers

Rotary Vacuum Paddle Dryer is a jacketed / limpetted cylindrical vessel with a large diameter hollow shaft. Attached to the shaft are hollow paddles provided with specially designed scraper blades, which scrape the entire internal surface of the dryer and continuously move and rotate the material thereby precluding the possibility of material remaining in contact with hot surfaces for protracted periods of time.

Salient features

  • Ideal for temperature-sensitive materials.
  • Almost 100 per cent recovery of solvents.
  • Low energy consumption.

Operating conditions

Vacuum         : Upto even 0.6 torr
Heating Temperature : 30℃ to 300℃

Capacity ranges

Gross Capacity        : From 100 ltrs. to 30000 ltrs.
Charging Capacity : 40% to 60% of Gross Capacity depending on the nature of the products.

Design and selection of the suitable configuration of RVPDs for the specific application is extremely important. UNIFAB ULTRA has the necessary expertise and pilot plants to ensure proper selection of the system.

Front Openable Design

Fully automatic front opening capability, Cantilever Design for case of cleaning of the equipment. Especially useful for multi-product operations and API where batch to batch cleaning may be required.

Body Retraction Models API Application

Specifically, useful for API / Clean Room Operations, where stringent cleaning protocols are required. when batch to batch cleaning is required. Fully Automated HMI/PLC/ Scada controlled systems are available

Rotary Vacuum Paddle Dryers
ModelNo. Gross Capacity (Ltrs.) Charging Capacity (Ltrs. /sq.m.) Heating Surface (sq.m.) H.P. Dimenstions in mm
A B C D E F G H
RVD-5 500 200 3.8 7.5 600 1800 4100 4400 6100 2000 1000 3800
RVD-12 1200 480 9.5 10 1000 2000 4300 4700 6700 2500 1500 4200
RVD-16 1600 640 10.5 15 1000 2800 5100 5500 7500 2500 1500 4200
RVD-25 2500 1000 13.6 20 1200 3000 5300 5700 8500 2500 1500 4200
RVD-30 3000 1200 18.4 20 1200 3400 5700 6200 9600 3000 1500 4400
RVD-40 4000 1600 19.5 30 1400 3500 5900 6600 10600 3000 1500 4600
RVD-63 6300 2520 28.1 40 1600 4100 6700 7000 11000 3000 1500 4600
RVD-80 8000 3200 37.2 50 1700 4600 7600 7800 12500 3500 2000 4700
RVD-98 9800 3920 40.0 60 1800 5300 8400 8000 14500 3500 2500 6200
RVD-160 16000 6400 53.1 80 2000 5900 8400 8600 15000 3500 2500 6700
RVD-200 20000 8000 82.0 100 2500 8000 15000 16500 23500 4200 3000 6800

Please note that the company has been manufacturing capacities upto 30000 Ltrs. These models are offered on request by clients.

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