DOSERAY

WHAT IS THE ROTARY  valve ?

When performing transfer on all pneumatic conveying lines, it is a device to feed the material down to the line and separate the raw material pneumatically transferred from the air. Blade forms, tolerances, revolution speeds vary depending on type of process and type of the product to be transported. Likewise, it may also act as breaker depending on the characteriStics of the material to be transported. Even it may also operate coupled with the breakers.

Rotary Valves ( AIRLOCKS)  are available with square or round inlet and outlet flanges. Housing can be fabricated out of sheet material or cast. Common materials are cast Iron, carbon steel, 304 SS, 316 SS, and other materials. Rotary valve , AIRLOCK feeders are often available in standard and heavy duty models, the difference being the head plate and bearing configuration. Heavy duty models use an outboard bearing in which the bearings are moved out away from the head plate. Housing inlet and discharge configurations are termed drop-thru or side entry. Different wear protections are available such as hard chrome or ceramic plating on the inner housing surfaces. Grease and air purge fittings are often provided to prevent contaminants from entering the packing seals. Rotary Valve - AIRLOCK - Star Feeder may be made of ST37 Carbon Steel and AISI-304 AISI-316 Stainless Steel. Bedding types of the AIR LOCKs may be mechanical sealing and felt, again depending on the hot process.

ROTARY VALVE APPLICATION
Rotary Valves (Rotary Feeders) are widely used in the unloading and dosing of powder and granular materials in silos, hoppers, pneumatic conveying system, bag filters, cyclones and other equipment, in a measured and reliable manner, allowing a detailed volumetric control in transport systems or processing.

ROTARY VALVES AND AIRLOCKS

• HEAVY DUTY AIRLOCKS
• BLOW THROUGH ROTARY VALVE
• OFFSET ROTARY AIRLOCK

• DUST COLLECTOR ROTARY VALVE
• EASY RELEASE ROTARY VALVE
• GRANUL PROCESS ROTARY VALVE
• SPRAY DRYER ROTARY VALVE

• AIR LEAKAGE SOLUTIONS

  Bulk Solids
Grains
Powder
Fine powder
Grease (only with special model)
Granules
Application procedures
Discharging
Metering
Feeding
Protective System

Operation
The bulk goods are fed into the rotary valve rotor via the inlet. This is made up of several chambers and divides the product flow into small partial flows. These partial quantities are fed into the downstream process via the outlet.

Range of application
Chemical industry
PlaStic industry
Pharmaceutical industry
Food industry
Similar industries

ROTARY VALVE ROTOR TYPES

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• Rotary Valve - Airlocks-Star Feeder internal Rotors have options such as blade, rounded type, adjusted blade type, stripper and polyamide.  Discharging valve for fine and coarse-grained products
  Max. capacity through ideal ratio of rotor volume and inlet cross section
  Special inlet geometry purpose-built for gentle product handling
  With feeding show also suitable for feeding bulk materials into pneumatic conveying systems at up to 1.5 barg (21 psi)
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