Description
![ATEX certification Palamatic Process](https://www.palamaticprocess.com/sites/default/files/atex-standard-certified-palamatic-process.png)
Drop-through rotary airlock valve - Extraction and feeding of bulk materials
4 models: rate from 2.2 to 19.5 liters/rev.
Cast iron or stainless steel manufacturing
Rotary airlock valves are designed for bulk material extraction and dosing operations.
![Logo test center Palamatic Process](https://www.palamaticprocess.com/sites/default/files/logo_test_center_palamatic_process_1.jpg)
Rotary airlock valves are used for the dosing, feeding or discharging of fine-grained and powdered materials or granulates contained in silos, hoppers, pneumatic conveying installations, filters or even cyclones.
Exploded view:
![](https://www.palamaticprocess.com/sites/default/files/drop-through-rotary-valve_0.jpg)
Equipment advantages
- Compact and robust design
- Easy access to internal mechanical parts for a quick and simple cleaning
- ATEX version
- High feeding accuracy
Media
View our equipment in photos
![rotary valve bulk materials handling](/sites/default/files/styles/tour/public/rotary-valve.png)
Dosing rotary airlock
Cast iron or stainless steel body.
![screw feeder rotary valve dextrose alumina](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-dextrose-alumina-1.png)
Rotary valve under hopper
The drop-through rotary airlock valve feeds and discharges your bulk materials and raw ingredients in a controlled way.
![screw feeder rotary valve coloring agent pigment](/sites/default/files/styles/tour/public/image/dosage-volumetirque-ecluse-rotative-colorant-pigment-tio2-xl.jpg)
Drop through rotary valve on industrial production line
The primary function of a rotary valve is to regulate the flow of the bulk material between two vessels while maintaining a good airtightness.
![screw feeder rotary valve starch maltodextrine](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-starch-maltodextrine.png)
Hopper fitted with a rotary valve
Storage and conveying for dissolution of sugar in a weighed cast iron tank.
The processed bulk materials, here beet sugar and cane sugar, are vacuumed into a continuous discharge cyclone via a rotary lock to the dissolution tank.
![screw feeder rotary valve dextrose sugar](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-dextrose-sugar.png)
Easy access to the mechanical parts
Easy access to internal mechanical parts for easy cleaning.
![screw feeder rotary valve animal wheat](/sites/default/files/styles/tour/public/image/dosage-volumetirque-ecluse-rotative-farine-animale-caco3-xl.jpg)
Rotary airlock on pneumatic conveying
For extraction and dosing the bulk material at the outlet of the cyclone.
![screw feeder rotary valve flour salt](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-flour-salt.png)
Pneumatic conveying feeding
The rotary valve is used for the continuous depacking of bulk solids and raw ingredients from silos, hoppers, pneumatic conveying systems, filters and cyclones.
![screw feeder rotary valve carbon black](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-carbon-black.png)
Drop through airlock rotary valve
Gearmotor on a drop through airlock rotary valve.
![screw feeder rotary valve milk powder](/sites/default/files/styles/tour/public/image/dosage-volumetirque-ecluse-rotative-poudre-de-lait-reengraissee-xl.jpg)
Palamatic Process rotary valve
Effective for the treatment of all types of powders: cocoa, sugar, flour, granules...
![screw feeder rotary valve sulfate soya](/sites/default/files/styles/tour/public/screw-feeder-rotary-valve-sulfate-soya.png)
Rotary valve for dust collection
The rotary dust collector is suitable for simple and not very demanding industrial applications, where its main function is that of an airlock.
![drop through rotary valve pneumatic conveying](/sites/default/files/styles/tour/public/drop-through-rotary-valve-pneumatic-conveying.jpg)
Rotary valve for pneumatic conveying applications
The ERI 200² rotary airlock valve for continuous discharge into the mixing tank.
![bulk bag filler Flowmatic 03](/sites/default/files/styles/tour/public/image/bulk-bag-filler.png)
Mise en big bag
Integrated equipment:
- FlowMatic® 03 - station de remplissage big bag
- Clamping ring
![bulk bag filler](/sites/default/files/styles/tour/public/image/bulk-bag-filler-1.png)
Dosing rotary valve
ATEX version for explosion and flame resistance.
![food industry rotary valve](/sites/default/files/styles/tour/public/image/food-industry-rotary-valve.png)
Rotary valve for food powders
Airlock valve for maltodextrin dosing.
![palamatic process drop through rotary valve](/sites/default/files/styles/tour/public/image/palamatic-process-drop-through-rotary-valve.png)
Dosing and conveying rotary valve
Rotary airlock valve on maltodextrin discharge and conveying line.
![rotary valve food industry](/sites/default/files/styles/tour/public/image/rotary-valve-food-industry.png)
Rotary lock under cyclone separator
Discharge of maltodextrin bags and their transfer to a mixing tank.
![drop through rotary valve under hopper](/sites/default/files/styles/tour/public/image/drop-through-rotary-valve-under-hopper.png)
Rotary valve under hopper
Food additive dosing line with cleaning in place of all equipment.
![rotary valve big bag discharging station](/sites/default/files/styles/tour/public/image/rotary-valve-big-bag-discharging-station.png)
Rotary valve under big bag discharging station
Feeding of a dissolution tank for atomization on a drying tower.
![Rotary valve sugar industry](/sites/default/files/styles/tour/public/image/rotary-valve-sugar-industry.jpg)
Sugar industry application
Production line for confectionery products.
![mechanical conveying mixing line](/sites/default/files/styles/tour/public/image/mechanical-conveying-mixing-line.png)
ATEX rotary valve for milk powder handling
The rotary valve allows the extraction at the outlet of the vibrating conveyor and the dosing of the milk powder into the hopper
![rotary valve](/sites/default/files/styles/tour/public/rotary-valve.png)
Drop through rotary airlock
The airlock is positioned under a big bag emptying station for silica handling.
![dosing pneumatic line](/sites/default/files/styles/tour/public/image/dosing-pneumatic-line.png)
Pneumatic line with integrated dosing
Mixing and feeding line for raw materials for cementing.
![drop through rotary valve powder](/sites/default/files/styles/tour/public/image/drop-through-rotary-valve-powder.png)
Rotary valve for bulk materials handling
The rotary valves are designed for continuous feeding and pressure tightness between the upstream and the downstream process.
![bulk handling drop through rotary valve](/sites/default/files/styles/tour/public/image/bulk-handling-drop-through-rotary-valve.png)
Powder handling - Rotary valve
From 2.2 litres/rev. to 19.5 litres/rev.
Features
Technical specification
4 models: 150², 200², 250², 300²
The drop through rotary airlock valves are designed to feed and discharge in a controlled way powders and bulk materials coming from silos, hoppers, pneumatic conveying installations, bag filters houses, cyclones. This rotary airlock valve is suitable when a high throughput is required. The effective flow rates are very variable depending on the materials flowing.
Technical specifications:
Modèles | 150² | 200² | 250² | 300² |
---|---|---|---|---|
Volume per revolution (liters) | 2.2 | 5.4 | 10.9 | 19.5 |
Flange section in mm | 150*150 | 200*200 | 250*250 | 250*250 |
Variable filling coefficient depending on the material being conveyed and the speed of rotation:
![](https://www.palamaticprocess.com/sites/default/files/rotary-valve-speed_2_1.jpg)
Manufacturing materials | Cast iron or stainless steel |
---|---|
Rotor surface treatment | Nickel plating, tefloning, hardened paddles |
Motorization | Direct or chain sprocket |
Rotor | Steel or stainless steel |
Rotor set speed | 10, 20, 30 rev./min. |
Variable speed of the rotor | 4-35 rev./min. |
Capacity | 2.2 to 19.5 liters/rev. |
Example of implementation:
![drop trough rotary airlock valve implantation](https://www.palamaticprocess.com/sites/default/files/drop-trough-rotary-airlock-valve-implantation.jpg)
Options
Case studies
CASE STUDIES WITH THIS EQUIPMENT
Preparation of milky drink
Processed powders: milk powder and sugar - Preparation of milk drinks - Agribusiness group in the Island of Reunion, this company is a leader in most markets in which it operates: fresh dairy products...Food and Animal Feed
Icing sugar line
Processed powder: starch and granulated sugar - Icing sugar line - French sugar cooperative company - Supply and commissioning of a set of machines for the production of icing sugar and starch to feed...Food and Animal Feed
Paint formulation
Processed powder: paint powder (polyester resin + fillers + additives + pigments) - Paint formulation - A manual container emptying station feeds a big bag filling system. The container unloading...Chemical
Cake mix
Processed powders: modified starch, sodium bicarbonate, fat powder, whipping base, gelatin, milled sugar - Cake mix - Company based in Saudi Arabia that manufactures and distributes dry food materials...Food and Animal Feed
Animal nutrition food supplements
Processed powders: silica, clay, calcium carbonate, lithothamnium - Animal nutrition food supplements - This customer is a producer of specific mixtures of botanical extracts. In order to ensure its...Food and Animal Feed
Premix manufacturing
Processed powders: silica, wheat, carbonate - Premix manufacturing - The installation consists of a new mixing line for the production of natural additives for animal nutrition.Food and Animal Feed
Blower for feeding containers
Processed materials: crushed egg shells - Blower for feeding containers - The purpose of the equipment is to collect crushed egg shells from a centrifuge / crusher placed downstream of automatic...Food and Animal Feed
Refined sugar conveying
Processed material: refined sugar - Refined sugar conveying - On-site installation of repackaging equipment for the transfer of sugar stored in shipping containers with an inner liner to a bulk bag...Food and Animal Feed
Refiom processing line
Processed products: fly ashes and ash embers - Refiom processing line - Big bag filling in thermal power plant in a household waste incineration plant.Energy
Premix compound packing
Treated powder: premix compound - Premix compound packing - Our customer, a specialist in PVC compounds and polymer composite materials, required the packing of its finished product - polymer...Chemical
Milk powder mixing line
Processed powder: infant milk powder - Milk powder mixing line - The mixing line is totally cleanable with the complete dismantling of the equipment with our Palamatic-EasyClean range of equipment.Food and Animal Feed
Sugar grinding unit
Processed powders: icing sugar from white granulated sugar and starch - Sugar milling unit - The installation consists of feeding the mill with granulated sugar and then packaging the resulting icing...Food and Animal Feed
Unloading big bags containing grains and cereals
Process products: wheat bran, wheat flour, disinsected wheat bran - Unloading big bags containing grains and cereals - This big bag emptying station aims to feed insects (larvae and adults) with dry...Food and Animal Feed
Insect breeding unit
Processed products: bran, meal, droppings, live insects, dead insects - Insect breeding unit - This workshop is the heart of the insect breeding process.Food and Animal Feed
Grinding and packaging of finished products
Processed products: dried insects - Grinding and packaging of finished products - Workshop for processing and packaging products for the animal nutrition sector.Food and Animal Feed
Manufacturing line for petfood industry
Processed Powders: Soy Flour, Brewer Yeast, Corn Starch, Dried Whey... - Manufacturing line for petfood industry - Manufacturering of dry and liquid flavor enhancers for the pet food industryFood and Animal Feed
Unloading and conveying of cement
Processed powder: cement - Unloading and conveying of cement - Unloading of cement from 1 ton big bags with pneumatic transfer of material to silo storageMinerals and building
Confined deconditioning, dosing and transfer of powders
Processed powders: Minerals and additives (such as titanium dioxide) for the manufacture of paints - Emptying of big bags into mobile IBCs with dosing and transfer of the product to a mixer downstream...Chemical
Process for mixing dry ingredients
Processed Materials: Granulated Sugar, Rebaudioside M, Cocoa Powder and various minor ingredients - Process for mixing dry ingredients - The new facility expansion project required the capabilities of...Food and Animal Feed
Bucket filling line
Material: Graphite - Bucket filling line - Turnkey solution for big bag emptying, total containment and rapid filling of buckets with graphite powder.Chemical