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The Material Handling category within the Bulk Solids division encompasses equipment and solutions designed to efficiently move, feed, store, and control the flow of bulk materials throughout the filtration process. From pneumatic conveying systems and mechanical conveyors to bins, feeders, and valves, these components ensure a consistent and controlled material stream—critical for optimizing filtration efficiency, reducing downtime, and maintaining product integrity.

Whether handling fine powders, granules, or abrasive solids, this category supports a wide range of industrial applications including chemical processing, food and beverage, pharmaceuticals, mining, and plastics. Material handling equipment is carefully engineered to integrate with filtration systems, improve throughput, and support dust control and contamination prevention measures.

Conveyors are essential pieces of equipment in many industrial and manufacturing facilities. They can be used to move materials from one place to another or to transport heavy loads from one stage of the production process to the next. Centro carries a complete selection of conveyors, including flexible chain conveyors, powered roller conveyors, and slider bed conveyors. We also offer a variety of accessories and replacement parts, so you can keep your conveyors running smoothly. Whether you need a new conveyor for your facility, or are looking for replacement parts for an existing system, please browse our website for all your conveyor needs.

Safety switches are essential components within industrial safety systems, designed to prevent accidents and protect workers and equipment. These switches provide a reliable means of instantly interrupting power or triggering safety functions in response to hazardous conditions. Available in various configurations like limit switches, interlock switches, and emergency stop switches, they cater to a wide range of applications. Safety switches serve as critical control points, ensuring machinery halts promptly during emergencies or when unsafe conditions arise. Safety switches play a pivotal role in safeguarding workplaces and adhering to safety standards by offering fail-safe operation and compatibility with diverse environments. Their integration enhances operational safety, minimizes risks, and fosters secure industrial environments.

Contactors are electrically-operated switches used to control the flow of electricity in a circuit. They are essential components in electrical systems, including those for motors, heating, lighting, and power distribution. Contactors can handle higher current loads compared to regular switches, making them important in industrial and commercial settings. Their ability to provide safe and reliable control of electrical circuits makes them crucial in applications that require frequent switching operations and where remote control is necessary. Browse our selection of contactors below or contact us to speak with a product expert.

Metering pumps are positive displacement pumps designed to move a precise volume of liquid per revolution. They are often used in industrial and commercial applications to pump chemicals, lubricants, and other fluids. Metering pumps can be either solenoid or motor-driven, and Centro carries a complete online selection of both types of pumps. Solenoid-driven metering pumps are typically smaller and more compact than motor-driven pumps, making them ideal for limited-space applications. Motor-driven metering pumps are more powerful and can handle larger volumes of fluid. No matter what your application, Centro has the metering pump to meet your needs.

Heat exchangers are used to transfer heat between two or more fluids, often without mixing them. Heat exchangers facilitate efficient heat transfer in various industrial processes, HVAC systems, and renewable energy applications. Heat exchangers come in different types, including shell and tube, plate, and air-to-air, each suitable for different operating conditions and fluid types. Browse our selection below or contact us to speak with a product expert.

Indicator Lights play a crucial role in providing visual cues within control panels, offering instant insights into the operational status of systems. These compact and vibrant lights serve as essential indicators for various functions, helping operators and technicians monitor processes efficiently. Whether signaling normal operation, faults, or specific conditions, Indicator Lights contribute to improved safety, quick diagnostics, and streamlined control in diverse applications.

General industrial power supplies deliver stable, regulated electrical power to automation equipment, instrumentation, control panels, and safety systems in harsh and demanding environments. Designed for reliability and efficiency, these units convert AC to DC voltage with tight tolerances to protect sensitive components from voltage fluctuations, surges, and electrical noise. Available in DIN rail, enclosed, and modular formats, industrial power supplies are essential for ensuring uptime, maintaining system integrity, and supporting mission-critical operations across manufacturing, processing, and utility sectors.

Control relays are electrical devices that control and switch electrical circuits in industrial automation and control systems. These relays act as electromechanical switches, allowing a low-power control signal to control a higher-power circuit. Control relays are commonly used to control motors, solenoids, lights, and other electrical loads. They provide reliable and efficient control by isolating the control circuit from the higher-voltage or higher-current circuits. Control relays are available in various configurations, such as electromechanical and solid-state relays, offering different features and capabilities. They play a crucial role in automating processes, ensuring proper sequencing, and enhancing the safety and reliability of control systems.

Contactor accessories are supplementary components used to enhance the functionality and performance of electrical contactors in industrial and commercial applications. They include items such as auxiliary contacts, overload relays, interlocks, and surge suppressors, which extend the capabilities of contactors for controlling electrical circuits. These accessories are essential for ensuring reliable operation, protection, and flexibility in motor control, HVAC systems, and other electrical equipment. Browse our selection below or contact us to speak to a product expert.

Electrical push buttons found in control panels and machinery, serve to initiate or halt electrical circuits. These devices perform functions like starting operations, stopping processes, or implementing emergency shutdowns. Built to endure frequent use in industrial settings, electrical push buttons prioritize durability and reliability. They are essential for providing operator safety and optimizing operational efficiency by providing straightforward control over equipment and processes. Whether for basic on/off functionality or complex sequence operations, Centro has you covered. Browser our selection or contact us to speak to a product expert.

Solenoid driven metering pumps are precision devices used for accurate and controlled dispensing of fluids. These pumps utilize a solenoid-driven piston or diaphragm to deliver precise volumes of liquid, making them ideal for applications that require precise dosing, such as water treatment, chemical processing, and laboratory environments.

Lubrication equipment is the unsung hero behind the seamless operation of machinery across diverse industries. Its significance lies in its ability to ensure optimal performance and durability of critical components. This versatile range of tools encompasses automated lubrication systems, the backbone of heavy machinery, and precision lubrication instruments designed for the most intricate mechanical parts. By mitigating friction and wear, lubrication equipment not only extends the lifespan of machinery but also safeguards against corrosion and dissipates excess heat, maintaining machinery efficiency at its peak. From gears that turn without a hitch to bearings that glide effortlessly, adequate lubrication is the linchpin of smooth machinery operation. Moreover, it goes beyond mere upkeep; it reduces downtime, cost savings, and heightened overall productivity. In the intricate world of machinery maintenance, lubrication equipment stands tall as the cornerstone of reliability and performance.

Configured drives and control systems offer turnkey motor control solutions tailored to specific industrial applications, combining variable frequency drives (VFDs), soft starters, PLCs, and HMIs into pre-engineered, panel-mounted packages. Designed for seamless integration, these systems simplify installation, reduce commissioning time, and ensure precise control of pumps, fans, conveyors, and complex machinery. With customizable features like communication protocols, enclosure ratings, and application-specific logic, configured drives and control systems deliver reliable, efficient, and scalable performance in demanding automation environments.

Uninterrupted Power Supplies (UPS) provide critical backup power and surge protection for industrial control systems, automation equipment, and sensitive electronics, ensuring continuous operation during power disturbances or outages. Designed for harsh environments and mission-critical processes, industrial UPS systems stabilize voltage, prevent data loss, and protect equipment from damage caused by sags, spikes, and brownouts. Available in online, line-interactive, and standby configurations, UPS units are essential for maintaining uptime, safety, and productivity in manufacturing, utilities, and process industries.

Electric motors for pump control system applications deliver reliable, energy-efficient performance in demanding industrial environments, powering centrifugal, positive displacement, and specialty pumps with precision and durability. Engineered for continuous-duty operation, these motors are available in TEFC, explosion-proof, and washdown enclosures to meet environmental and safety requirements. Paired with VFDs or soft starters, they enable accurate flow regulation, reduced energy consumption, and seamless integration into automated control systems across industries such as water treatment, chemical processing, and manufacturing.

Temperature accessories for industrial instrumentation are specialized components that support accurate and reliable temperature measurement and control in process systems.

Rotary Paddle level switches are durable, mechanical devices designed to detect high, low, or intermediate levels of dry bulk materials in bins, hoppers, or silos. As material contacts the rotating paddle, resistance causes the motor to stall, triggering an alert or system response. These switches are ideal for a wide range of free-flowing and dry materials such as grains, powders, pellets, and plastics. Known for their reliability, simplicity, and low maintenance, rotary paddle switches are widely used in agriculture, food processing, plastics, and other industrial applications requiring dependable point-level detection.

Peristaltic pumps, also known as hose pumps, are positive displacement pumps that use a rotating squeezing motion to move fluids through a hose or tube. Peristaltic pumps are often used in applications where other types of pumps would be unable to function, such as when pumping viscous or shear-sensitive fluids. With a wide variety of peristaltic pump models, we have the perfect pump for your specific application. Centro carries a complete online selection of peristaltic pumps, including Peristaltic Chemical Metering Pumps, specially designed for corrosive or abrasive chemicals. Shop our selection of peristaltic pumps online today.

Industrial pumps move liquids from one place to another, whether you’re handling water, chemicals, or thick, heavy fluids. Most pumps fall into one of two main categories: positive-displacement pumps and centrifugal pumps (also called non-positive-displacement pumps).

Positive-displacement pumps move a set amount of liquid each cycle using seals or valves. They’re the go-to choice for thicker, high-viscosity materials—like slurries, oils, or adhesives—because they deliver a steady, reliable flow. Centrifugal pumps use rotating impellers to keep liquid moving, making them ideal for high-volume jobs like circulating water, solvents, chemicals, and light oils.

At Centro, we carry a full range of industrial pumps to match almost any process or application. Our selection includes air-operated double diaphragm (AOD) pumps, lobe pumps, submersible pumps, hose/peristaltic pumps, metering pumps, progressive cavity pumps, sealless mag-drive pumps, hydraulic pumps, and a variety of pump control systems.

Whether you’re looking for precision metering, chemical compatibility, or rugged performance, our team can help you find the right pump for the job. Browse our pump categories to compare options, or call Centro for expert guidance on selecting the best pump for your operation.

Control Contactors are pivotal in electrical systems, managing the flow of electricity to devices. As robust switches, they enable efficient control of motors, lighting, and other electrical loads. Control Contactors' reliable operation contributes to the seamless functioning of industrial and commercial applications. These devices are integral for maintaining precision and safety in diverse electrical control setups.

Servo controllers serve as crucial components in automation and robotics, playing a pivotal role in precisely controlling servo motors used across various industrial and consumer applications. These controllers interpret input signals from sensors or computer systems to regulate the position, speed, and torque of servo motors with exceptional accuracy. By adjusting the electrical pulses sent to the motor, servo controllers enable precise movement and positioning down to minute increments, making them essential for tasks demanding high precision and reliability. They are integral to applications such as CNC machines, robotic arms, and camera stabilization systems, where their advanced features like PID control and feedback mechanisms ensure optimal performance even under varying operational conditions. Servo controllers are designed to enhance efficiency and productivity in automated systems, contributing significantly to technological advancements in diverse industries.

Ceram valves are directional control valves engineered for automation that exemplify the fusion of advanced ceramics and precise engineering in fluid control systems. These valves are purpose-built to excel in automated processes, offering unparalleled precision and reliability in regulating fluid flow and actuator movement. With remarkable corrosion resistance, wear resistance, and thermal stability, Ceram directional control valves thrive even in demanding industrial environments. They play a pivotal role in manufacturing, robotics, and automotive industries, where accuracy and dependability are paramount. By harnessing cutting-edge ceramics, Ceram directional control valves provide a robust solution for achieving efficient and accurate fluid control within automated systems, contributing significantly to enhanced productivity and seamless operations.

Pull cords and emergency stops are critical components in industrial safety, providing direct and immediate means to halt machinery and prevent accidents. Pull cords are strategically placed along equipment or conveyors, allowing workers to quickly trigger a shutdown in emergencies. Emergency stops, often in the form of large buttons or switches, offer an instant way to halt operations if unsafe conditions arise. These safety mechanisms are designed for intuitive and rapid use, ensuring workers can react promptly to potential hazards. Pull cords and emergency stops are essential in creating a safe work environment, empowering workers to take control and prevent accidents. Their integration enhances workplace safety, reduces risks, and underscores the commitment to worker well-being and equipment protection.

Valve repair kits and parts are essential components used to maintain and repair valves in fluid control systems. These kits typically include seals, gaskets, o-rings, springs, and other necessary parts needed to restore or replace worn or damaged elements of a valve. Valve repair kits and parts enable the repair and refurbishment of valves, extending their lifespan and ensuring proper functioning. By using these kits, operators can quickly and cost-effectively address valve issues without requiring complete valve replacement. These kits are available for different types and sizes of valves, allowing for specific repairs tailored to the valve's design and requirements. Valve repair kits and parts are essential for industries such as manufacturing, petrochemicals, water treatment, and HVAC, where reliable valve performance is crucial.

Centro offers one of the most complete selections of recorders available online. Chart recorders and paperless recorders provide an efficient way to collect data, while data loggers offer a more versatile solution for recording a variety of parameters. Chart recorders are ideal for applications where long-term data storage is not required, while paperless recorder systems conveniently store data electronically. Data loggers can be used in various applications, from monitoring environmental conditions to recording process data in industrial settings. Whether you need a simple chart recorder or a more versatile data logger, Centro has the right solution.

Temperature switches are versatile control devices that monitor temperature levels and trigger actions based on predefined thresholds. These switches find applications in various industries, including HVAC, manufacturing, and food processing. When a specific temperature is reached, temperature switches can initiate cooling, heating, or alarming processes, ensuring safety and operational efficiency. They are essential for maintaining temperature control and enhancing process automation in diverse applications.

Dust personnel cleaning systems remove, extract, and collect dust and debris from employees' clothes and personal protective equipment. Dust cleaning systems use high-pressure air nozzles that is captured by a filtration system to prevent dust and debris from entering the work environment. By providing a quick and effective cleaning method, these systems help maintain a safer and healthier workplace for employees who work in dusty or dirty conditions.

Molded case circuit breakers are components in electrical systems, designed to protect circuits and equipment from overcurrents and short circuits. These breakers feature a robust, molded case housing that houses internal components like trip units and contacts. They are versatile, offering adjustable trip settings to accommodate different load requirements and providing reliable protection across various applications, from industrial machinery to commercial buildings. Molded case circuit breakers are important for ensuring electrical safety and minimizing downtime due to electrical faults. Explore our range of molded case circuit breakers or contact us to speak with a product expert.

Disconnect accessories for circuit protection are essential in electrical systems, providing critical functions like isolating circuits for maintenance or emergency shutdowns. These accessories include disconnect switches, fuse holders, and auxiliary contacts, each serving specific roles in ensuring safety and operational efficiency. Explore our range of disconnect accessories or contact us to speak with a product expert.

Sensor cables are specialized cables designed for connecting sensors to control systems or data acquisition devices. These cables provide the necessary electrical connections for transmitting power supply, signal, and data between the sensor and the target device. Sensor cables are often shielded to minimize interference and maintain signal integrity in noisy industrial environments. They come in different lengths, connector types, and specifications to accommodate various sensor configurations and connectivity requirements. Sensor cables ensure reliable and accurate data transmission from sensors to the control or monitoring systems.

Flow meter accessories and parts are components used to enhance the functionality, accuracy, and performance of flow meters in various industrial applications. These accessories include items such as flow totalizers, transmitters, calibration equipment, and mounting hardware, which extend the capabilities of flow meters for measuring and monitoring fluid flow rates. Browse our selection below or contact us to speak with a product expert.

Seals and repair kits are indispensable for various mechanical systems and equipment maintenance and repair operations. Seals, which come in a wide range of materials and designs, are critical for preventing leaks and maintaining the integrity of hydraulic, pneumatic, and mechanical systems. These seals effectively block the escape of fluids, such as oil or gas, and play a vital role in ensuring system efficiency and longevity. Repair kits are curated collections of replacement parts, including seals, gaskets, O-rings, and other essential components. They are designed to simplify the repair and maintenance process by providing all the necessary parts in one package, facilitating quick and cost-effective fixes. Whether it's a hydraulic system in heavy machinery or a simple household appliance, seals and repair kits are crucial for ensuring the reliability and longevity of mechanical systems by preventing leaks and facilitating efficient repairs.

Flow meters are a piece of essential equipment for many industries, as they allow for accurately measuring fluid flow rates. At Centro, we carry a complete online selection of flow meters, including magnetic flow meters, turbine flow meters, and positive displacement flow meters. We also offer a variety of accessories and replacement parts to ensure that your flow meter always operates at peak efficiency. Whether you're looking for a new flow meter or need to restock your supplies, Centro has everything you need to keep your operation running smoothly.

Universal motor controllers are tools for managing and optimizing the performance of various electric motors. They offer precise control over speed, torque, and direction, which boosts efficiency and reliability in industrial applications. Universal motor controllers work with AC, DC, and servo motors and are commonly used in manufacturing, automation, and HVAC systems. With features like programmable settings, overload protection, and energy-saving options, they help businesses improve operational control, cut energy costs, and extend the lifespan of motor-driven equipment. Check out our universal motor controllers selection below or contact us to speak with a product expert.

Disconnect switches are components in electrical systems, providing a way to safely isolate circuits for maintenance or emergency purposes. Disconnect switches allow operators to disconnect power swiftly, making sure the safety of personnel and protecting equipment from damage during service or repairs. Disconnect switches are versatile and suitable for different voltage and current ratings. They play a big role in industries ranging from manufacturing and utilities to commercial buildings, where reliable and safe electrical operations are essential. Explore our selection of disconnect switches or contact us to speak to a product expert.

Temperature controllers are devices used to maintain and regulate precise temperatures in different processes and environments. Temperature controllers monitor the temperature of a system and compare it to a set point, making necessary adjustments by activating heating or cooling mechanisms to achieve the desired temperature. They are widely used in applications such as manufacturing, HVAC systems, food processing, and laboratory environments. Temperature Controllers help improve product quality, enhance energy efficiency, and reduce operational costs. Modern temperature controllers often come with advanced features like digital displays, programmable settings, and remote monitoring capabilities, making them versatile and user-friendly tools for maintaining optimal temperature conditions.Browse our selection below or contact us to speak with a product expert.

Ultrasonic flow meters use cutting-edge technology to precisely gauge the velocity of gas coursing through pipes. These meters employ transducers strategically positioned on opposite sides of the pipe. One transducer emits ultrasonic waves across the pipe, while its counterpart catches these waves. By timing the waves' journey upstream and downstream, these meters can accurately determine gas velocity. This data, when combined with the pipe's cross-sectional area, facilitates the calculation of gas flow rate. Renowned for their non-intrusive nature and versatility, ultrasonic flow meters find applications in various fields, including natural gas distribution, compressed air systems, and HVAC installations. Their appeal lies in their remarkable accuracy, wide turndown ratios, and low maintenance requirements, making them a preferred choice for gas flow measurement across industries. For further assistance and expert advice on selecting the right ultrasonic flow meter for your application, contact the product experts at Centro. They'll be glad to assist you.

ISO valves, designed according to international standards, are integral components in fluid control systems. These valves ensure precise regulation, isolation, and flow direction, enhancing operational efficiency. With their standardized design, ISO valves facilitate easier integration, maintenance, and replacement, making them a dependable choice for various industrial applications.

Motor control parts are used to manage and regulate the operation of electric motors in various industrial and commercial applications. They include devices such as contactors, relays, motor starters, and variable frequency drives (VFDs), which control motor speed, direction, and protection. These parts are for smooth motor operation, energy efficiency, and safety in machinery, HVAC systems, and automation equipment. Browse our selection below or contact us to speak with a product expert.

Control accessories for electrical controls are essential components that enhance the functionality and versatility of control systems. These accessories fine-tune electrical circuits, from contactor coils to auxiliary contacts, allowing for customization and optimization. Adding flexibility and control options is vital in tailoring electrical setups to specific requirements, ensuring seamless integration and performance.

Motor-driven metering pumps deliver precise, reliable chemical dosing for demanding industrial applications, combining high flow capacity with consistent accuracy. Ideal for water treatment, chemical processing, and manufacturing, these pumps offer adjustable stroke length and motor speed to handle a wide range of fluid viscosities and pressures. Their robust construction ensures long-term durability, while optional features like integrated controllers and safety valves enhance process control and system protection.