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Latest questions
Equipment for toasting soybeans?
What information do you have about toasting soybeans and suitable equipment? The aim is to lower the levels of urease and TIA in the soybean to make the product better adapted to poultry and pigs.
Minimum conveying velocities for various particle types
I am currently in the process of designing a dust collector. One of the first steps involves specifying the correct minimum conveying/pickup velocity at the inlet of the hood. It is to be used in the baking industry and can see anything from different flours, sugar, salt, seeds, whole buns, etc. After a couple hours of research I’ve realized it...
What Do Chutes And Hoppers Do In Pneumatic Conveying Systems?
A pneumatic conveying system can’t function without the combination of chutes and hoppers – they are integral and critical components that are inseparable because they act as a giant funnel that helps to get your material into your system.
What Is Saltation Velocity?
Saltation velocity is the speed below which particles being conveyed through a pneumatic conveying system lose suspension and begin to deposit at the bottom of horizontal pipelines.
Are All Moisture Sensors Equal?
When working with materials that can hold water, it is always important to know how much water is contained inside it. Depending on the size of the particles, storage method, temperature, and many other factors, some materials can hold more water than others.
Our experts
Süleyman is General Manager of Polimak with more than 20 years of experience in design, engineering, manufacturing, and marketing of bulk solids handling systems. He leads the organization to provide problem-free solutions from single equipment to complete turnkey systems for a wide range of industries. Pneumatic conveying systems, dust collectors, rotary valves, big bag dischargers, batching & dosing systems, storage silos are some of the components designed and produced by a highly qualified engineering team in the organization. Holding a Bachelor’s Degree in Mechanical Engineering, Süleyman’s background includes software development, industrial automation, and IoT technologies. This facilitates Polimak’s vision of providing data-driven smart process technologies for the bulk solids handling industry in the new digital age.
Aristidis Melios is the General Manager at Vraykos & Associates Mechanical Ltd. He holds a Diploma in Mechanical Engineering from National Technical University of Athens, and has more than 30 years of experience in design, engineering and manufacturing of bulk materials handling systems in food industry in Greece and Balkans area. Mr Melios is an expert in managing industrial projects that concern mechanical or pneumatic conveying, weighing & dosing, mixing, dedusting, screening and storaging of food bulk products. He has the experience needed to create a cost efficient turn-key solution for every bulk materials industry. The last years leads the Vraykos company engineering team with success, inserting new ideas and technologies in the field of bulk materials handling systems.
Tim Llewellyn is the Global Projects & Applications Engineering Manager at Flexicon Corporation, a world leader in the design and manufacture of bulk handling equipment and custom-engineered systems. He has over 20 years of experience managing and delivering complex global projects within the bulk material handling industry, including expertise across multiple sectors, including food, chemical, pharmaceutical, nutraceutical, and plastics. Tim has a proven track record of building and managing teams focused on helping clients solve their powder handling challenges. Tim holds a Bachelor of Science degree in Mechanical Engineering from Lehigh University.
Gerard van Schoten is Managing Director at HETHON, a globally active specialist in powder dosing systems. With a strong technical background and hands-on experience throughout the company, Gerard combines strategic leadership with deep process knowledge in dry bulk handling.
He is widely regarded for his expertise in handling and dosing poorly flowing powders, particularly in industries requiring high precision and reliability under challenging conditions such as ATEX environments. Gerard works closely with international customers, engineers, and agents to translate complex process challenges into custom-engineered, long-term solutions.
Having grown within the company from a technical role into leadership, Gerard brings a unique combination of technical credibility and commercial insight. He remains actively involved in advising on system configurations, control integration, and customer-specific adaptations—ensuring that every solution HETHON delivers is both technically sound and practically applicable. Gerard regularly supports agents and customers worldwide and is a trusted point of contact for clients seeking high-performance dosing technology for demanding industrial applications.
