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Torex Wam Rotary Feeders (Rotary Valves)
 
Torex Wam RV - RVR - Drop-Through Rotary Valves
 
Description

RV Drop-Through Rotary Valves with square inlet and RVR with a circular inlet consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of V-shaped cross section compartments, a drive unit and a casing cover opposite the drive end.

Function

RV and RVR Rotary Valves have been developed 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.
 
Performance & Technical Features - Benefits

Feed rates from 2.2 to 19.5 litres per revolution (0.08 to 0.7 cu ft per revolution)
Different drives for different rotation speeds
Maximum differential pressure: 0.3 bar (4.4 PSI)

Compatible with other WAMGROUP equipment thanks to WAM standard flanges
Various materials and treatments available according to product handled
Robust and compact design
Easy access to all internal mechanical components

Options & Accessories

Available in ATEX zone 22 version
Body in cast iron or 304/316 stainless steel (RV only)
Chrome-plated, nickel-plated, or Teflon surface-coated
Scrapers made from different materials to improve sealing properties and diminish abrasion
Compartment choking inserts for sticky materials or feed rate reduction
Greased or gas or air-purged shaft seals
Direct drive with fixed gear motor
Direct drive with variable speed drive
Coaxial drive with chain transmission
Bare shafted without drive unit
Rotor choke for granular materials (RV only)
Rotation indicator
Enforced motor cooling
Thermistors on motor winding
NEMA standard electric motors
 
Torex Wam RVC - Drop-Through Rotary Valves
 
Description

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.

Function

Two compartments at a time of the continuously turning rotor are filled up with material through the inlet at the top of the Rotary Valve. After less than half a turn the material falls through the bottom opening through outlet with the same cross section opposite the inlet.
 
Performance & Technical Features - Benefits

Feed rate: 5 9 14 20 38 litres per revolution (0.17 0.3 0.5 0.7 1.3 cu ft per revolution)
Available in ATEX zone 22 version
Robust and compact design
Easy access to all internal mechanical parts

Options & Accessories

Fixed rotor speed: 10 / 20 / 30 r.p.m.
Variable rotor speed: 4 22 r.p.m.
Casing: cast iron or 304 / 316 stainless steel
Casing surface treatment: chrome or nickel-plated, Teflon® surface coated
Rotor: integral with bevelled blades, with scrapers (Viton®, Vulkolan, Teflon®)
Rotor surface treatment: nickel-plated, Teflon® surface-coated
Shaft seals: lubricated or air- / nitrogen-purged, high temperature-resistant
Drives: direct with gear motor, with variable speed gear motor, coaxial with chain transmission, bare shafted without drive
Fan-cooled electric motor
Thermistors on electric motor winding
Blade scrapers
 
Torex Wam RW - Drop-Through Rotary Valves for Wood Pellets
 
Description

RW 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 feeders 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.

Function

RW Rotary Valves have been developed for controlled discharging and feeding of wood pellets or chippings from silos, hoppers, pneumatic conveying systems, bag filter houses, or cyclones.
The shape of the rotor blades and the cutting sill at the inlet ensure any wood present in the biofuel mixture will be cut.
 
Performance & Technical Features - Benefits

Feed rates from 2.2 to 19.5 litres per revolution (0.08 to 0.7 cu ft per revolution)
Different drives for three different rotation speeds (10, 20 or 30 r.p.m.)
Compatible with other WAMGROUP® equipment thanks to WAM® standard flanges
Robust and compact design
HARDOX sill mounted on the feeder inlet cuts pieces of wood thus avoiding locking of the feeder
HARDOX rotor
Operating temperature with special version from -20 °C to 150 °C (-4 °F to 300 °F)
Easy access to all internal mechanical components
RW Rotary Valves are certified in conformity with the Austrian Directive TRVB H 118
RW Rotary Valves are designed for operation in the production of wood biofuel produced in conformity with standards ONORM M7132, ONORM M7133, ONORM M7135, ONORM M7136 and ONORM M7137.

Options & Accessories

Greased or gas or air-purged shaft seals
Direct drive with gear motor
Rotation indicator
Enforced motor cooling
Thermistors on motor winding
NEMA standard electric motors
 
Wamgroup
 


Wamgroup catalogues
 
Torex Wam Rotary Feeders (Rotary Valves)
 
Torex Wam RV - RVR - Drop-Through Rotary Valves Torex Wam RVC - Drop-Through Rotary Valves Torex Wam RW - Drop-Through Rotary Valves for Wood Pellets
Torex Wam RVS - Blow-Through Rotary Valves    

 

 
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