Raj International manufactures Door Sealing with Single Gasket Design. Raj International is the Indian part of Tofflon which is an ISO 9001 accredited company. The company manufactures Pharmaceutical Freeze Dryer. The Door Sealing with Single Gasket Design is used for high vacuum and overpressure operation. The Door Sealing with Single Gasket Design has Automatic locking mechanism which is interlocked and controlled by PLC and its moving parts are in the machine room for easy maintenance.