
From its origin in 1969 as a one-man operation to one of the largest screw conveyor manufacturers in the world, WAM® Inc. has come to stand for innovation in bulk material handling technology and equipment supply. Over the years, WAM® has broadened its product line from screw conveyors to include bucket elevators, dust collectors, valves and actuators, bucket elevators, bag emptying equipment, pneumatic conveying system components, solids-liquid separation equipment and more. A track record that delivers quality, performance, and reliability at a reasonable cost have made WAM® a dependable choice for the Mining, Concrete, Cement, and Process Industries around the world.
Applications Using WAM Products
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| WAM Products offered by Gulf-Atlantic Industrial Equipment: |
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| Screw Conveyors & Feeders: |
Today WAM® is one of the largest Screw Conveyor manufacturers in the world and in a leading position for many applications.

ES Screw Conveyors are manufactured in carbon steel with a suitable surface finishing and powder coating. They are made up from a tubular trough that is equipped with at least one inlet and outlet spout, a welded flange at each tube end, helicoid screw flighting welded on a centre pipe with a coupling bush at each end, two end bearing assemblies complete with self-adjusting shaft sealing unit (one of the bearing assemblies incorporated in the drive unit), a number of intermediate hanger bearings depending on the overall length of the screw conveyor. Furthermore, ES Screw Conveyors are equipped with a gear motor that suits the application.
Screw Conveyors & Feeders
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| Chain Conveyors |
Chain Conveyors are amongst the most widely used conveyor types for handling powdery or granular materials. Thanks to their robust heavy-duty design, Chain Conveyors meet every users requirements in terms of reliability and durability.
Chain or Drag Conveyors are designed for conveying dry solids such as free flowing powders, granules, pellets and flakes. The product is dragged and conveyed by rectangular shaped flights along the bottom of the casing. The flights are fixed beneath a guided chain. The conveyor enables material discharge in different points through intermediate outlet spouts equipped with electrically operated slide gates especially designed for this purpose.
Applications
- Horizontal conveying with one or more discharge points
- Inclined conveying with one or more discharge points
- Material extraction from pits or hoppers
- Material extraction and conveying with variation of angle of inclination
Chain Conveyors
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| Valves |
WAM is one of the world’s leading supplies of dustproof valves for handling powder and granular materials in all industries. Valves manufactured by the WAMGROUP include: Butterfly valves, slide gate valves, inclined slide valves, pressure relief valves, rotary valves, pinch valves, diverter valves, and dump valves.

Valves
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| Actuators |
As manufacturers of industrially manufactured valves, from the very beginning WAM® felt the need to develop Valve Actuators too. Today the customer can choose from a complete range of Manually or Electropneumatically operated, as well as Gear Motor Actuators.

The electro pneumatically operated rack and pinion-type CP Actuators are suitable for a 90° opening and closing of Butterfly Valves. Operating pressure: 2 to 8 bar (29 to 116 PSI), CP actuators come with splined shaft coupling bush according to DIN 5482.
Actuators
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| Dust Collectors |
Since the early 1980s WAM® has developed a unique range of compact Dust Collectors that meets the requirements of every user. Today WAM® offers a comprehensive Dust Collector range for de-dusting and dust control for virtually all industrial applications.
WAM® SILOTOP® is a cylindrically shaped dust collector for venting of pneumatically filled silos. The stainless steel body contains vertically mounted, POLYPLEAT® filter elements.

Dust separated from the air flow by special POLYPLEAT® filter elements drops back into the silo after an integrated automatic reverse air jet cleaning system inside the weather protection cover has removed it from the filter elements.The air jet cleaning system is integrated in the hinged weather protection cover.
Dust Collectors
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| Pressure Relief Valves |
Pressure Relief Valves are the last safety net when abnormal pressure conditions endanger the silo structure. This is why sudden excess or suction pressure inside the silo must be dealt with instantaneously. Even though ideally a Pressure Relief Valve should never have to go into action, it must be efficient and reliable if needed.
In the Pressure Relief Valve, helical springs keep the valve lids closed when the pressure value remains within the preset limits. The three outside spring rods keep the external ring-shaped lid firmly closed as long as the force generated by the pressure inside the silo does not overcome the spring force. Once the pressure exceeds the preset value the lid is pushed up and the pressure can escape. The smaller lid covers the central circular opening of the external lid from below. It is held in the middle by a single spring rod and is pressed onto the external lid by the normal air pressure inside the silo. In the event of suction pressure, the spring is compressed and allows the lid to drop. The air entering the silo from outside ensures rapid pressure balance and pushes the central lid back up into the "closed" position.
Pressure Relief Valves
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| Bucket Elevators |
WAM® has gained and consolidated a vast experience in the area of bulk solids handling. They designed and supplied numerous plants and equipment of different types and capacities and for a variety of materials. Today the Company's unique know-how represents the foundation of a comprehensive Bucket Elevator range that is able to meet each and every user's requirements in terms of problem solution and reliability in time.
WAM® EI-type Bucket Elevators are used for vertical elevation of fine aggregates such as carbonates, lime, limestone, sludge, sand, minerals and similar materials dry, powdery, abrasive, non packing materials. EI Bucket Elevators are used in handling and storage plants, wastewater and sludge treatment plants, in ceramics processing, in the chemical and petrochemical industry, as well as in dry building material processing plants.
Bucket Elevator
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| Solids Discharging Equipment |
Certain bulk materials cannot be stored in cylindrical silos with a tapered outlet cone because no flow aid would be sufficient to extract them. As a result, mechanical extracting and feeding devices must be adapted to the cross section of the outlet. WAMGROUP offers a variety of equipment for discharging bulk materials including bin activators and loading bellows.

This equipment includes:
- Single, Twin-Shafted Screw Feeders and Multiple Shafted Flood-Fed Screw Feeders (Live Bin Bottoms) for materials as different as flour, bran, wood chippings, sawdust, shredded paper or sludge.
- A wide range of vibrating bin activators to extract powders, granules, and fibres.
- Telescopic Loading Bellows (Loading Spouts) for efficient, dust controlled loading of products Into open trucks, tankers, drums, ships, barges, or stockpiles.
Solids Discharging Equipment
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