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Rotary Airlock Valve


rotary valveRotary valves designed to enable quick dis-assembly without tools, and are ideal for sanitary and hygienic applications.

The prime function of a rotary valve or airlock is to regulate the flow from one chamber to another while maintaining a good airlock condition. The product is mainly in dry powder or granular form.

In the dust filtration field a good airlock is essential on cyclone and bag filter applications in order that the manufacturers quoted high dust collection efficiencies can be maintained.

Airlocks are also important in the pneumatic conveying industry, where product is regulated into a pressure or vacuum conveying line while minimising air leakage. All our standard valves and airlocks are precision machined for close tolerances and minimal eccentricities.

Pressure differentials to 20psi and temperatures to 400°C (752°F) are considered the norm and extreme pressures and temperatures can be accommodated with special designs.


Both convey and drop through types are available in the full range of Prochem valves. Specification for non-sanitary through to pharmaceutical grades in all materials. Including USDA 3A Dairy accepted models.


Specially designed for use with pneumatic conveying systems in dairy, food, pharmaceutical, nutritional products and other ingredients. Quick demounting without tools allows access to all product contact areas, for frequent cleaning. ATEX rated valves are available for use in hazardous zones.


Options Available

  • ANSI Flange
  • Easy slide rotor support
  • Plastic rotor
  • Reduced capacity rotor pockets
  • Vents
  • CIP cleaning features
  • Air purged shaft seals
  • Air service units
  • Direct drive
  • Teflon coated interiors
  • Plus many more...




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Prochem Turnkey Projects Pvt. Ltd. (India)

Tel: +91 20 27462656, Mail:

Prochem Turnkey Projects Pvt. Ltd.

P.O.Box 2579, Al-Jubail - 31951, Kingdom of Saudi Arabia Tel: +966 13 363 2387, Mail: