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Issued April 2007 Page 1 of 2

Data Sheet For:

Data Sheet - Dustcatcher Valve - 32078 dust catcher Dome Valve

dust catcher Discharge Control Valve

One of the most critical and demanding applications fo r any bulk materials shut-off valves is within the main dustcollection process line of a blast furnace.

However there is an answer

Despite the importance of this crucial valve, there are fewsuitable options on the market. Many steel producerssimply opt for a standard slide or pinch valve and acceptthe penalty of very short service life and the chance o The Clyde Materials Handling dust catcher Dome Valvecomes with the promise of long service life, exceptionallyhigh resistance to abrasion and continuous operating temperatures up to 200ºC. A 280°C version is alsoavailable having a water-cooled top plate assembly. f major dust / pressure leakages ! In developing the dust The continuous nature of the blast furnace iron-making process results in a constant supply of iron oxide dustparticles being delivered to the dust collection silo.Subsequent regular transfer of the dust from the silo fo catcher valve design, Clyderecognises that competitors’ products fail due to theextremely abrasive furnace dust at pressure, which quickly wears away the valves sealing arrangement andinternal components. r recycling is critical and is controlled by a dust catche r discharge valve at the silo outlet. Here, the valves ability tocope with this notoriously abrasive material, often at temperatures of up to 200°C, is paramount to thecontinuous efficiency of the iron-making process.

dust catcher Dome Valve Key Features:

When open the valve provides an unobstructed full bore material flow. Valve pneumatic controls can open the valve within a second. Valve body and outlet sections are ceramic lined. Top adaptor is tungsten carbide coated. Dome is a special flat top version to assist discharge and is chrome plated.

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This leaflet is for guidance only. It does not form part of any contract and is subject to change without notice.