Tubular Drag Conveyors (TDCs)
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CONVEYING & BULK BAG HANDLING SOLUTIONS ubular Conveyors 'Cableflow' cable or 'Dynaflow' chain driven for dry bulk solids and ingrdients across all industries

Tubular Drag Conveyors What are they? They are mechanically driven conveyors that 'drag' material along the inside of a tube. They are designed to transfer finely and not so finely divided, flowable bulk materials from in-feed points to discharge points through a totally enclosed conduit. They are positive displacement devices using close-running discs connected by a cable or metal links. They have been used successfully throughout a range of industries for over fifty years. How do they work? A cable or chain with discs spaced along its length and its ends connected to each other to form an...

Chains, Cables and Flights for every application At the heart of every tubular conveyor is the conveyor cable and dise or chain and dise assembly which is the single most critical component in the system. Spiroflow offers a wide range of construction materials and assemblies to meet the demands of the various products to be conveyed. Selection of the cable and disc or chain and disc assembly to be used on any particular application is based on the total developed length of the conveyor circuit, the number of casing bends, material loading, the total mechanical load (chain pull), the number...

'Cableflow' Tubular Cable Drag Conveyors 'Cableflow' Tubular Cable Drag Conveyors are in fact a development of our tried and tested Aero Mechanical Conveyors operating with reduced clearances and at reduced running speeds. 'Cableflow' conveyors are designed for gentle material handling and for installations requiring conveying in multiple planes. They provide complete material batch transfer of bulk products from single or multiple in-feed points to single or multiple discharge points with little or no damage. Because they are a derivation of our Aero Mechanical Conveyors, they enjoy the...

'Dynaflow' Tubular Chain Drag Conveyors The 'Dynaflow' Tubular Chain Drag Conveyor is also a mechanical tubular drag conveyor operating within the confines of a pipe. In this conveyor, the discs that move material along the pipe are connected by articulated metal links (chains) meaning that they are well suited to the most arduous of applications. The discs can be made from a variety of materials including steel and cast iron. This enables them to operate at temperatures up to 250°C. What can they convey? Activated Carbon Օ Graphite Phthalic Anhydride Օ Adipic Acid Green Salts Օ Phosphate...

Conveyor Slection Conveyor Size and Cable/Chain Speed The capacity chart below will allow you to estimate the size of conveyor and the chain speed needed based on the throughput requirements in litres per minute. The horizontal lines represent the velocity at which your product will pass through the conveyor. The vertical lines indicate the volumetric throughput rate in litres per minute. The diagonal lines are the sizes of the conveyors available. How to Use the Capacity Chart 1. Based on your material's bulk density, calculate the required conveying rate in litres per minute. Locate the...

The System Components Drive Assemblies Conveyor drive assemblies are available for 90° or 180° locations. They are always located at a high point in the conveyor circuit, after product discharge or can be used as a discharge point. Drive components are selected as required by the conveyor circuit and are mounted on a drive plate which serves as a take-up unit. All drives are complete with overload protection and drive guards. Constant or variable speed units available. All drives are designed for full load start up. Chain Vibrator Where a conveyed product resists complete discharge, a...

Powder Handling Systems Design Manufacturing We have an experienced team of mechanical and electrical engineers with a vast collective knowledge of solids handling, geared to handle your project quickly and efficiently, whether you need a single conveyor or a complete powder handling system. We actively encourage customers to visit our modern manufacturing facility at any time. Here, we are able to process orders efficiently and to our high standards. We also have a similar manufacturing facility in the USA. Our systems and procedures have ISO9001:2000 accreditation. Testing After sales Our...