Coating Machine

Auto Coater

Gem Pharma’s Auto Coater is used to coat tablets, pills, candies, granules, sweets with sugar film, an organic film, or an aqueous coating in the Pharmaceutical and food industry. Gem Pharma is well known for its auto coaters and we also supply auto coaters for soft gel capsule coating. It is a high efficiency, energy saving, safe and clean equipment.

The application of the coating material is done on a continuously rotating bed of tablets through a spray gun. There is a system that also ensures rapid removal of the solvent using a hot air current. Product to be coated is placed in a closed drum, that is in continuous orbital motion, and the coating system sprays the coating material evenly in rotating motion to avoid excess deposit on the tablets. The whole process is completed automatically through PLC Controls and touch screen interface.

salient features


  • Automated process
  • Conforms to cGMP
  • HU comprise of pre-filter, Microvee filter/HEPA filter.
  • Flexible batch operations – Interchangeable pans available as per requirement
  • Air heating system with a choice of energy sources such as steam or electrical energy.
  • System comprises of efficient inlet air and exhaust air to create negative pressure inside the pan to make sure spray spread on to the tablets.
  • Spray pattern is achieved without any bed formation.
  • Spraying auto coater system Spray Guns shall be provided.
  • In Built WIP system is provided with necessary connections.
  • Distance between the bed & the spray nozzle is displayed on the HMI screen. Spray angle & distance are adjustable. The nozzles are easy to clean.
  • The discharging system is designed & engineered to discharge a single tablet from the pan without manual intervention. The discharge system can be installed without any tools & is easy to remove from the pan after discharge.
  • Product protective handling to prevent chipping of tablets.
  • Extremely user-friendly software and operation through PLC.
  • Excellent mixing and tumbling by a unique design of baffles
  • Made up entirely of SS 316
  • Treatment of exhaust for pollution-free operation
  • Available models: 12 “, 15″, 18″, 24″, 36″, 48”, 60 “, 66″, 72″, and 96″ dia.

Conventional Coating Pan

The Conventional Coating Pan is simple unit, which employs the principle of rolling a batch of tablets in an elliptical pan, spraying the coating solution on it and passing hot air across the tablet bed. The pan is provided with half round pipe tubular baffles welded inside the pan so as to generate tumbling action of tablets/pellets. An exhaust blower may be used to carry away the excess fumes generated during the coating and drying process.

Gem Pharma manufactures Conventional Coating Pans of various capacities ranging from 12” lab model to 72” conventional model. It is majorly used in pharmaceutical and food and beverage industries for film coating, enteric coating and sugar coating.
• SS 316 semi ellipsoidal size pan with a circular mouth for charging & discharging of tablets
• Pan mounted at an inclination of 45 degrees to the horizontal.
• Conforms to cGMP
• Options Available are -
i. Unit with FLP motors and FLP push button station but non FLP panel to be mounted outside FLP area.
ii. Steam heating for blower.
• The whole unit is mounted on Caster Wheel Trolley for ease in movement.
• The Spray gun is provided with inlets for liquid and air connection. The gun is mounted on an adjustable stand, and gun movement in all three planes is possible by adjustment available on the stand. The gun has a spring loaded lever for starting / stopping spraying.
• Spray pattern is achieved without any bed formation.
• Product protective handling to prevent chipping of tablets.
• Extremely user-friendly software and operation through PLC.

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