General Information
TOREX ranks as a manufacturer of bulk solids handling equipment. Their Telescopic Loading Bellows, their Rotary and Diverter Valves, as well as their Silo Safety and Monitoring components represent the global benchmark in terms of price-quality ratio. Being complementary with other WAMGROUP equipment offers customers anywhere in the world the perfect one-stop solution to their problems.
TOREX® most innovative and performant equipment, such as RVS Blow-Through Rotary Valves, the ideal solution for feeding powdery or granular materials into a pneumatic conveying system, BELLOJET ZA Tanker Loading Bellows which come with an integrated dust collector, assuring dust-free loading of dry, dusty bulk solids into tankers and VAR Diverter Valves, suitable for interception of material flow even in explosion proof plants.
TOREX can now offer another accessory to be directly connected to the solenoid valve of the inflatable seal, as well as to plant lines.
TOREX Solids Handling Equipment
SCREW CONVEYORS & FEEDERS
WAMGROUP offers a special range of Flow Control Equipment and Metering Feeders which meets the requirements of a variety of industries.
As the world market leader in Tubular Screw Conveyors, WAMGROUP offers a comprehensive range of Screw Conveyors & Feeders, Micro-Batch Feeders, Metering Feeders, Live Bin Bottoms, and Bulk Biomass Conveying System Components designed and specialised for a large number of applications in various industries.
Metering Feeders
WAMGROUP offers a special range of Flow Control Equipment and Metering Feeders which meets the requirements of a variety of industries.
Features
- All contact parts manufactured from stainless steel or food-grade synthetic material
- Polymer-cast single piece body ensuring free material flow
- Variable speed drive supplied on request
- Non-stick body
Metering Feeders Model Products
Loss-In-Weight Screw Feeders DCC , Exceptional operating versatility
The DCC Loss-In-Weight Screw Feeder is positioned on an electronically operated scale pan mounted on load cells which enables the assessment of any variation in weight in time, adjusting the feed rate by varying the speed of both discharging and feeding device.
DCC Loss-In-Weight Screw Feeders consist of a micro-screw feeder inside a food-grade polymer body with stainless steel guards and feeder pipe and an optional electronically operated scale pan mounted on load cells.
Volumetric Feeding Systems DVC
DVC Volumetric Screw Feeder: bulk material is constantly fed from a hopper into a process per unit of time. A gravimetric feed rate may be inferred through a calibration process where a timed sample is taken and weighed, while screw speed is manually adjusted accordingly.
ROTARY VALVES – ROTARY FEEDERS
Industrially manufactured by the thousands every year, WAMGROUP’s Rotary Valves (Rotary Feeders) are the technological benchmark in a variety of industries. High Feeding Precision, Industrial Quality Design

TOREX, offers a vast range of Drop-through and Blow-through Rotary Valves (Rotary Feeders) for powders and granular materials.
Drop-Through Rotary Valves – RV – RVR
RV/RVR Rotary Valves are the ideal solution for controlled discharging and feeding of powdery or granular materials from silos, hoppers, pneumatic conveying systems, bag filter houses, or cyclones.
RV and RVR drop through Rotary Valves are designed according to a criteria of maximum applicative universality, suitable for controlled feeding or discharging of products in powder or granular form, from silos, hoppers, pneumatic conveying system, filters or cyclones.
RV/RVR Rotary Valves are designed for maximum versatility in application. They are suitable for controlled discharging and feeding of powdery or granular materials from silos, hoppers, pneumatic conveying systems, bag filter houses, or cyclones.
Features
- ATEX Approvals Rotary Valve RV – RVR
- Round Inlet Diameter: 150 mm (6”) – 200 mm (8”) – 250 mm (10”) – 300 mm (12 in)
- Square Inlet Dimension: 150×150 mm – 200×200 mm – 250×250 mm – 300×300 mm (6”x6” – 8”x8” – 10”x10” – 12”x12”)
- Capacity: 2 – 5 – 10 – 20 litres/rev (0.07 – 0.17 – 0.35 – 0.7 cu ft/rev)
- Working Temperature: from -40 °C up to 150°C
- Working Pressure: from – 0.5 bar up to + 0.3 bar
- Material of construction: Cast Iron, 304 Stainless Steel and 316 Stainless Steel for RV only
- Feed rates: 2.2 ~ 19.5 litres per revolution (0.08 ~ 0.7 cu ft per revolution)
- Different drives for different rotation speeds
- Various materials and treatments available depending on material handled
- Maximum differential pressure: 0.2 bar (2.9 PSI)
Drop-Through Rotary Valves – RVC
RVC Drop-Through Rotary Valves consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of oblique V-shaped cross section compartments, a drive unit and casing covers at both ends.
Two compartments at a time of the continuously turning rotor are filled up with material entering through the inlet at the top of the Rotary Valve. After less than half a turn material falls through the bottom outlet opening having the same cross section as the opposite inlet.
Features
- Feed rates: 5 ~ 80 litres per revolution
- Different drives for different rotation speeds
- Various materials and treatments available according to product handled
- Maximum differential pressAvailable as ATEX version, Zone 22ure: 0.7 bar (11.6 PSI)
Blow-Through Rotary Valves – RVS
RVS Blow-Through Rotary Valves are the ideal solution for feeding powdery or granular materials into a pneumatic conveying system.
RVS Blow-Through Rotary Valves consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of oblique V-shaped cross section compartments, a drive unit and a casing cover at each end.
Features
- Feed rate: 5 ~ 80 litres per revolution
- Different drives for different rotation speeds
- Various materials and treatments available depending on material handled
- Maximum differential pressure: 0.8 bar (11.6 PSI)
Drop-Through Rotary Valves for Wood Pellets – RWN
RWN Drop-Through Rotary Valves with square inlet consist of a tubular cast iron casing. The horizontally mounted rotor with four V-shaped cross section compartments is manufactured from wear-resistant HARDOX steel. A HARDOX sill at the inlet sees to cutting of wood chippings.
The Rotary Valves are equipped with a direct drive. The plate opposite the drive end is equipped with an externally placed roller bearing which does not come into contact with the material fed. The bearing ensures higher resistance to stress and radial loads.
Features
- Feed rates: 2.2 ~ 19.5 litres per revolution (0.08 ~ 0.7 cu ft per revolution)
- Operating temperature with special version: -20 ~ 150 °C (-4 ~ 300 °F)
- Different drives for three different rotation speeds
- HARDOX sill mounted on the rotary valve inlet cuts pieces of wood, thus avoiding locking of the valve
- HARDOX rotor
- RWN Rotary Valves are certified in conformity with the Austrian Directive TRVB H 118
- RWN Rotary Valves are designed for operation in the production of wood bio-fuel produced in conformity with standards ONORM M7132, ONORM M7133, ONORM M7135, ONORM M7136 and ONORM M7137.
Valves
WAMGROUP offers a wide range of flow intercepting valves for powders and granules, including Butterfly Valves, Slide Valves, Pinch Valves, Diverter Valves, Pressure Relief Valves, Double Dump Valves, and Ball Segment Valves. In addition, in-house manufactured actuators complete the range.

offers a wide range of flow intercepting valves for powders and granules, including Butterfly Valves, Slide Valves, Pinch Valves, Diverter Valves, Pressure Relief Valves, Double Dump Valves, and Ball Segment Valves. In addition, in-house manufactured actuators complete the range.
VM/VMM- Pinch Valves
VM/VMM-type Pinch Valves are used for interception of material flow in pneumatic conveying systems, or other pipelines. In addition, they can be installed as a locking device for silo filling pipes.
The body of the VM/VMM Pinch Valve is manufactured from aluminium alloy while the sleeves come in fabric-reinforced material. The sleeve support bushes are either made from aluminium alloy, hardened carbon steel, or 304/316 stainless steel.
Regarding VM only, by introducing compressed air through the threaded bore into the interior of the valve, the internal flexible sleeve is reshaped in such a way as to hermetically seal the passage. With VM Pinch Valves pneumatically conveyed powders, granules, fibres, dense mixtures and liquids can be equally handled.
Regarding VMM only, by introducing compressed air into the two single action air cylinders, the internal flexible sleeve is kept open. In case of no presence of air, the cylinders will reshape the sleeve in such a way that the passage is hermetically sealed. VMM Pinch Valves can equally handle pneumatically conveyed powders, granules, fibres, dense mixtures or liquids.
Features
- Passage diameter from 13 mm (1/2”) to 200 mm (8”) (for VM)
- Passage diameter: 40 mm (1 ½”) – 50 mm (2”) – 65 mm (2 ½”) – 80 mm (3”) – 100 mm (4”) – 125 mm (5”) – 150 mm (6”) – 200 mm (8”) (for VMM)
- Working Temperature: -20 ~ 80 °C (-4 ~ 176 °F)
- Different sleeve materials suitable for material handled
- Different bush materials suitable for material handled
Diverter Valves
Diverter Valves Model Product
- VAD Diverter Valves for Pneumatic Conveying Lines
- VAD-type Diverter Valves are the ideal solution for handling any type of material in powdery or granular form in pneumatic conveying lines.
- VAD Diverter Valves consist of an aluminum die-cast casing and a swivel flap that closes one duct or the other. Internal sealing of the body is achieved through low friction gaskets. Specific surface treatment is available to make the valves suitable for operation with different materials.
- VAD-type Diverter Valves are suitable for use in pneumatic conveying lines for handling any type of material in powdery or granular form. Through activation of the actuator direction of the material flow is changed. VAD-type Diverter Valves guarantee minimum pressure loss and contamination-free, pressure-proof operation.
- VAR Drum-Type Diverter Valves for Pneumatic Conveying
- VAR Diverter Valves are the perfect solution for diverting or converting any type of powdery or granular material in pneumatic conveying ducts.
- VAR Diverter Valves consist of a cast aluminium casing and cover, an inlet and two outlets. The rotating internal drum optionally closes one of two outlets which are connected with pneumatic conveying ducts.
Rotation of the internal drum is activated by a pneumatic actuator. Perfect sealing is guaranteed by internal, pneumatically inflatable seals. - VAR Diverter Valves are suitable for diverting or converting any type of powdery or granular material.
Commutation of the tubular exit and diversion of the material flow from one duct to another is obtained by a pneumatic actuator which activates the rotating inner drum.
- VAB Flap Diverter Valves
- VAB Two-Way Flap Type Diverter Valves meet the requirement of pneumatic conveying plants in re-routing powders, pellets or granules from one discharge point to another, with minimum pressure drop and high sealing efficiency
- The VAB Flap Diverter Valve uses a swinging flap to divert material from one duct to another.
VAB Flap Diverter Valves are fitted on pneumatic conveying ducts in which switching the flow of material to different production lines is required.. - The VAB Two-Way Flap Type Diverter Valve is designed to meet the requirement of pneumatic conveying plants in re-routing powders, pellets or granules from one discharge point to another, with minimum pressure drop and high sealing efficiency.
- VAS Plug Diverter Valves
- VAS Plug Diverter Valves consist of a cast aluminium casing and cover, an inlet and two outlets. The rotating internal plug optionally closes one of two outlets which are connected with pneumatic conveying ducts. Rotation of the internal plug is activated by a pneumatic actuator. Perfect sealing is guaranteed by internal sliding seals.
- VAS Plug Diverter Valves are used in both positive and negative pressure pneumatic conveying
lines. The design of the VAS Plug Diverter Valve enables application in any conveying direction.
Its technical features make it particularly suitable for applications in the flour milling industry.
The change from one tubular exit to another, thus diverting material flow, is controlled by a
pneumatic actuator.
VDC Double Dump Valves
VDC Double Dump Valves are the ideal solution for controlled discharging of particularly high temperature or abrasive, large particle size materials. They are most suitable for discharging dust from large de-dusting units and for heavy-duty applications in general, in virtually all industries. They are also used for processes that do not require continuous material flow.
WAMGROUP’s Double Dump Valves are designed for feeding of highly abrasive materials with large or irregular particle size, as well as high temperature materials.
Features
- Square inlets: from 200 x 200 mm to 500 x 500 mm (8 x 8” ~ 20 x 20”)
- Capacity: 1.2 m3/h ~ 17.7 m3/h (42.4 cfh ~ 625 cfh)
- Calculated for 600 activation cycles per hour at 50% loading
- Ambient temperature: -10 ~ 50 °C (14 ~ 120 °F)
- Working temperature: -10 ~ 500 °C (14 ~ 930 °F)
- Various materials available according to product handled
- Different types of control systems
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