Pneumatic conveying of abrasive materials wears out standard, long-radius pipe bends quickly. There are various types of pipe bends available designed for extended lifetime. Pelletron developed a special elbow that withstands the most abrasive materials.
Wear problems are common in dilute phase conveying systems with high velocities. The conveyed product slides along the elbow wall at a high velocity and high centrifugal forces press the conveyed material against the outer metal surface. The resulting friction causes the elbow walls to wear out quickly.
Pelletron developed a unique, patented conveying pipe elbow that is trade named the Pellbow®. It is especially designed to minimize damage caused when solid particles are injected into a high velocity conveyingsystem - the higher the velocity, the higher the friction.
(double click on picture)
The Pellbow by Pelletron Corporation
Using a Pellbow® avoids the problems caused by friction in traditional elbows. By design, material flowing through the Pellbow® forms a pocket or “impact zone” and moves slowly upward and out. Incoming material is deflected at 90 degrees with minimum resistance and no impact damage. The Pellbow®i s wear resistant making it the ideal solution for conveying abrasive products. The Pellbow® is self-cleaning when the material flow is stopped and it works in all installation positions.
Long-radius elbows or other types of pipe bends in existing vacuum and pressure dilute phase conveying systems can be easily retrofitted with the Pellbow®. The pressure drop compared to long-radius elbows is minimally higher. The minimum product to air ratio of 3:1 or higher guarantees best results. The Pellbow® is designed to fit al lkinds of pipe and tube connections.
(double click on picture)
Pelletron Pellbow pipe bend explanations
The Pellbow® is available in aluminum, stainless steel and cast iron for pipe sizes from 1.5” up to 12”, as well as in surface hardened versions.
Wear Resistant Pipe Bends
Wear Resistant Pipe Bends
by Gary Brock, Pelletron Corporation
Pneumatic conveying of abrasive materials wears out standard, long-radius pipe bends quickly. There are various types of pipe bends available designed for extended lifetime. Pelletron developed a special elbow that withstands the most abrasive materials.
Wear problems are common in dilute phase conveying systems with high velocities. The conveyed product slides along the elbow wall at a high velocity and high centrifugal forces press the conveyed material against the outer metal surface. The resulting friction causes the elbow walls to wear out quickly.
Pelletron developed a unique, patented conveying pipe elbow that is trade named the Pellbow®. It is especially designed to minimize damage caused when solid particles are injected into a high velocity conveyingsystem - the higher the velocity, the higher the friction.
(double click on picture)
The Pellbow by Pelletron Corporation
Using a Pellbow® avoids the problems caused by friction in traditional elbows. By design, material flowing through the Pellbow® forms a pocket or “impact zone” and moves slowly upward and out. Incoming material is deflected at 90 degrees with minimum resistance and no impact damage. The Pellbow®i s wear resistant making it the ideal solution for conveying abrasive products. The Pellbow® is self-cleaning when the material flow is stopped and it works in all installation positions.
Long-radius elbows or other types of pipe bends in existing vacuum and pressure dilute phase conveying systems can be easily retrofitted with the Pellbow®. The pressure drop compared to long-radius elbows is minimally higher. The minimum product to air ratio of 3:1 or higher guarantees best results. The Pellbow® is designed to fit al lkinds of pipe and tube connections.
(double click on picture)
Pelletron Pellbow pipe bend explanations
The Pellbow® is available in aluminum, stainless steel and cast iron for pipe sizes from 1.5” up to 12”, as well as in surface hardened versions.
(double click on picture)
The Pelletron Pellbow® family
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See these Videos:
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http://videos.bulk-online.com/video/...rp--DeDuster®Pelletron Corp DeDuster®
Technical Article:
Selecting Elbows for Pneumatic Conveying Systems
by Paul Wagner, Pelletron Corp., USA
https://forum.bulk-online.com/showth...lecting-Elbowsshowthread.php?12507 Selecting Elbows
Keywords:
bulk-online Leader, Mechanical Feeders, Rotary Valve Feeder, Pneumatic Conveyors, Equipment & Components, Airlocks & Valves, Airlocks, Diverter Valves, Dedusting, Diverters, Piping & Tubing, Bends & Elbows, Modes of Pneumatic Conveying, Dense Phase Conveying, Dilute Phase Conveying, Low Velocity Conveying, Medium Phase Conveying, Positive Pressure Conveying, Pneumatic Conveying Design Services, Pneumatic Conveying Troubleshooting, Wear & Abrasion Protection, Bulkmatology, DeDuster, Pellbow, FlowEnhancer
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