カワタ List of Products and Services

The design minimizes dead space on the back and is compact, including the connecting transport hose, making it one of the best in the industry. By combining an intuitive color touch panel with a seat switch that is resistant to repeated use, we have achieved both operability and durability. By adding options, it can also be used as a dehumidifying dryer that maintains drying performance even in high-humidity environments.

• Drying Equipment

Sales achievements in over 40 countries worldwide! Realizing high quality with precise temperature control and desired temperature adjustments. In addition to being a mold temperature controller, it can be used for various applications such as roll temperature control, jacket temperature control for mixers and reactors, and localized temperature control for machinery.

• Temperature and Humidity Control

The Dehumidifying Dryer Challenger 4 "DFC Series" boasts high dehumidification performance and is our best-selling dryer. It employs a dry push transport system with a circulation method that prevents outside air inflow, achieving prevention of re-absorption of moisture. Our unique design also emphasizes operability and maintainability. For details on energy-saving figures and a variety of options, please refer to the catalog or contact us.

• Injection Molding Machine

The mass measurement mixing machine "ACA-e Series Auto Color II" is the new standard for weighing and mixing machines, evolving its basic performance (weighing function/mixing function/usability). The weighing accuracy has been upgraded to ±0.3% or less of full scale. The main body (supply, weighing, and mixing sections) can be mounted on the machine. It adopts an efficient "batch mixing method," allowing for uniform mixing and complete discharge. It features a material usage function and an easy-to-remove component mechanism for simple maintenance. For more details, please download the catalog.

• Other powder equipment

The "Just Thermo TW Series" is a temperature control device that circulates heat media, equipped with a liquid crystal touch panel as standard across all models. The touch panel, which condenses multiple functions, allows for the display of operating status, alarms, and setting parameters in various languages, as well as representing operational states with backlight colors. Additionally, it features new optional functions such as an SD card capability for data logging, enabling traceability management. 【Features】 ■ Touch panel that condenses multiple functions ■ Rich interfaces compatible with IoT ■ Support for diverse production varieties ■ Multi-stage temperature control process ■ Equipped with new optional functions *For more details, please refer to the PDF materials or feel free to contact us.

• Other physicochemical equipment

The "Challenger Mini DRD-10Z" is a compact and slim small dehumidifying dryer that integrates all the necessary equipment for drying and transportation into a single body. It cuts regeneration energy by 80% compared to continuous regeneration dehumidifying dryers. By capturing volatile components, it significantly improves the operating environment. The hopper capacity has been increased compared to conventional models, and the amount of material to be processed can be varied. 【Features】 ■Ultimate energy savings ■Ultimate space savings ■Reduction in utility equipment (water) usage ■Enhanced functionality of the hopper ■Improved maintenance and equipment layout *For more details, please refer to the PDF document or feel free to contact us.

• Drying Equipment

The quantitative supply device, non-bridge feeder "NF series," enables continuous supply of all types of powders. It can accommodate materials with poor flowability and those with high bridging properties, and it can be designed and manufactured according to your specific needs. For more details on internal structures and application examples, please refer to the catalog or contact us.

• Powder Supply Device
• Powder Conveyor Device
• Other powder equipment

Decompression and Controlled Supply Device ECOMAK Series is a device that rapidly removes volatile components, low-boiling substances, and moisture generated from resin materials during plasticization under the conditions of "controlled supply" and "decompression" within the cylinder of an injection molding machine. It achieves a reduction in molding defects, a decrease in the frequency of mold maintenance, and an improvement in the quality of secondary processed products. For detailed information, including molding sample images, please refer to the catalog or contact us.

• Deaeration device
• Separation device
• Injection Molding Machine

The nitrogen dryer (dehumidifying circulation type) Challenger DT "DT Series" is a high-performance dryer that achieves both low oxygen and low dew point conditions. By drying resin materials in a high-concentration nitrogen atmosphere, it suppresses yellowing of molded products and defects caused by oxygen. It is also compatible with special resins for optical applications. For more details, such as examples of compatible resins, please refer to the catalog or contact us.

• Drying Equipment
• Injection Molding Machine
• Extrusion Machine

The "TES Series" mold rapid heating and cooling system, equipped with a thermoelectric exchanger system, is designed to instantly switch the medium temperature to high or low for the mold, achieving a reduction in molding cycle time. It is expected to produce effects such as making welds less visible and enhancing the high gloss of product surfaces, making it ideal for precision molding of light guide plates, lenses, thick-walled products, and exterior parts. For detailed information, including molding sample images, please refer to the catalog or contact us.

• Heating device
• Other physicochemical equipment
• Injection Molding Machine

The hot media circulation temperature controller Just Thermo "KCO/160 series" is a mold temperature controller (temperature control device) equipped with a high-pressure, high-flow pump, capable of a maximum operating temperature of 160°C with oil media. It features a safety design with various alarm circuits to prevent troubles before they occur and is compatible with IoT (Kawata-Smart-Link). The high-power heater allows for rapid heating of the mold, and it boasts excellent temperature stability thanks to its PID control program. For more details, please refer to the catalog or contact us.

• Heating device
• Other powder equipment
• Other physicochemical equipment

The "Auto Color Limited LC-50Z" is a mass measurement mixing machine that minimizes measurement errors due to the shape and size of materials, allowing for more precise measurements compared to volume measurement types. Materials are weighed using load cells before mixing. The number of parts has been minimized to achieve the most affordable low price. The ultimate simple structure significantly reduces material changeover time. It saves approximately 70% of space compared to conventional types. 【Features】 ■ Low cost ■ Reduced cleaning time ■ Space-saving ■ User-friendly operation ■ Master batch active control (High-precision measurement that prevents color variation) For more details, please refer to the catalog or feel free to contact us.

• Weighing Machine

The high-speed flow mixer, Super Mixer "SMV-10Ba/20Ba," is a 10L and 20L mixer for research and testing purposes. With an inverter, the rotor speed can be freely set, and data collection functionality is standard. The contact parts are made entirely of SUS304, and the discharge section can be disassembled without tools and is washable. It comes with casters for easy mobility. For more details, please refer to the catalog or contact us.

• Mixer/agitator
• Food Processing Equipment
• Granulating Equipment

It is designed considering both cooling and mixing. Granulation and maturation, which were insufficient with the SMC type, can be performed. It can also be used for simple mixing of bulk materials and coloring of pellets. Space-saving design. Discharge direction can be selected in three ways. Low-profile design that does not require a specific installation location. For more details, please contact us or refer to the catalog.

• Cooling system
• Mixer/agitator

The high-speed flow mixer, Super Mixer "SMV(B)/SMV(G) series," is a versatile mixing machine suitable for large-scale production with powerful stirring and mixing capabilities. It comes in five sizes: 100L, 200L, 300L, 500L, and 1000L, and can be used for heated mixing such as PVC drive blends and adhesive coloring. The inverter specification allows for free adjustment of the blade rotation speed. For more details on other specifications and blade shapes, please refer to the catalog or contact us.

• Mixer/agitator
• Granulating Equipment
• Food Processing Equipment

It is designed with a focus on cooling effectiveness. It can stir with half the motor of the SMNC type. The contact area with the raw materials is large, so the heat dissipation effect is excellent. It is a cooling-specific machine used in combination with the generation type. For more details, please contact us or refer to the catalog.

• Cooling system
• Mixer/agitator

This is a blending machine specifically designed for simple mixing of powders and granules, coloring of pellets, and mixing and granulating of chemicals. Structurally, it is almost the same as the generation type (self-heating and temperature rising type). Compared to the SMG, it has a smaller and more economical motor due to its low-speed rotation. There are five standard models available in sizes of 100L, 200L, 300L, 500L, and 1000L. Various blades are available as options depending on the application. For more details, please contact us or refer to the catalog.

• Mixer/agitator

It is possible to store small amounts of additives from large storage. The H tank is standardized from 50L to 1000L. Large silos are optimally designed to meet specific conditions. The bulk bag receiving tank and bulk bag receiving frame also provide reliable strength. For more details, please contact us or refer to the catalog.

• Extrusion Machine
• silo

The COSTOM DRY series, based on Kawata Corporation's extensive drying know-how and innovative shipping methods, generates and circulates stable dry air at low dew points (-30°C to -50°C) during the manufacturing processes of fibers and films, achieving efficient drying to the optimal moisture content with minimal energy for uniform resin crystallization. Kawata's unique technologies in the drying process not only solve various issues such as hydrolysis, viscosity reduction, and oxidative degradation but also economically supply uniform, clean, high-quality resins with minimal powdering. For more details, please contact us or refer to the catalog.

• Drying Equipment

The nitrogen gas generation device, NitroNizer "NTRH Series," is a device that extracts nitrogen from the atmosphere and generates pure nitrogen gas. It is a built-in type with an oil-free scroll compressor, producing a flow rate of 3.3 to 26 N㎥/h at a purity of 99%. It features an integrated inverter and a condensate vaporization device, and can be easily operated via a high-resolution touch panel. For more details, please refer to the catalog or contact us.

• Nitrogen Gas Generator
• Gas Generator
• others

The nitrogen gas generation device, NitroNizer "NTRM Series," is a device that extracts nitrogen from the atmosphere and generates pure nitrogen gas. It is a microcontroller-controlled type with a built-in mini compressor, producing a flow rate of 12.5 to 52 NL/min at a purity of 99%. It can be used for various applications across different industries, including oxidation prevention, freshness preservation, discoloration prevention, and explosion protection. For more details, please refer to the catalog or contact us.

• Nitrogen Gas Generator
• Gas Generator
• others

The nitrogen gas generation device, Nitronizer "NTRKH/NTRSH series," is a device that extracts nitrogen from the atmosphere and generates pure nitrogen gas. It is a type without a compressor, with a generation rate of 3.3 to 114 N㎥/h at a purity of 99%. It can be used for various applications regardless of industry, such as oxidation prevention, freshness preservation, discoloration prevention, and explosion prevention. For more details, please refer to the catalog or contact us.

• Nitrogen Gas Generator
• Gas Generator
• others

The filter is automatically cleaned during transport, ensuring that it is always clean. It is a device that is mounted on the top of the mixer and supplies while measuring through suction transport. The mechanism is simple, so no advanced skills are required for operation or maintenance inspections. It is also capable of transporting and measuring fine powders such as activated carbon. There are various models available for 40 to 400 kg. For more details, please contact us or refer to the catalog.

• Weighing Machine
• Other conveying machines

The Hopper Scale is a powder and bulk material weighing machine that pursues high precision. It enables high-precision weighing through a three-point load cell system. We offer three types: for powders and bulk materials, for additives (small amounts of powder), and for liquids. For more details, please contact us or refer to the catalog.

• Weighing Machine

The "COL Series" granular ultra-low-speed conveyor, Ripple Feeder, utilizes a special mechanism controlled by compressed air for ultra-low-speed transport (plug transport), which minimizes breakage and friction even with fragile materials. Since there is no agitation from airflow, it can transport mixtures without separating them. For more details, please refer to the catalog or contact us.

• Other conveying machines
• Food Conveyor Equipment
• others

This is a device that uses the air pressure from a compressor to transport materials from silos to super mixers and other equipment. There are versions for powder and granules, and it can also transport while measuring. The optimal transport environment is selected based on the physical properties of the transported material (powder). It enables long-distance transport (300m) at low speed and high concentration for large quantities, and long-distance transport (1000m) at high speed and high concentration for large quantities. For more details, please contact us or refer to the catalog.

• Powder Conveyor Device

Energy saving through the use of exhaust heat (approximately 20% compared to conventional methods) is also standard equipment. The combination of the hot air dryer ADA and the twin loader AVL achieves a cost reduction of 10-15% and more than 20% space saving. High thermal insulation and energy efficiency have been realized with a double hopper, including the cone section. The newly developed "Material Input Mode" has been adopted, significantly reducing powder scattering by controlling the drying air volume during material input. There is no need to open or close the dryer body cover for filter cleaning. We have also focused on installation height to enhance workability. The drying hopper features a large inspection door, and the diffuser cone is removable. The use of a high static pressure blower has stabilized the drying air volume. SSC is used for heater drive. We have adopted a multifunctional, state-of-the-art dedicated controller that pursues "easy operation." For more details, please contact us or refer to the catalog.

• Drying Equipment

The two-directional conveying machine VVL/AVL/AAL series can transport in two directions with one unit, and the two directions can be freely combined. You can select two types according to the transportation destination and capacity from various hopper sizes of VL and AL. It has achieved space-saving design considering the installation location, as well as simplifying cleaning and maintenance. It is possible to select hopper sizes according to the transportation volume, and the operation uses our original easy interactive system. It is easy to operate with microcomputer control. For more details, please contact us or refer to the catalog.

• Other machine elements

The VL series vacuum conveyor <direct connection type to molding machine> simply supplies materials above the molding machine. By achieving space-saving, easy cleaning, and maintenance considerations, the use of a glass tube-type suction hopper keeps the area above the molding machine tidy. Since the hopper size can be selected, it is effective for small transport and stock according to the transport volume, as well as for dried materials. The hopper adopts an easy detachable type. The operation uses our original simple interactive system. For more details, please contact us or refer to the catalog.

• Other machine elements

The MT series of the measuring mixer is ideal for measuring and mixing two types of materials (main material + crushed material, etc.) for crushing returns. It is optimized for crushing returns, and operation is simple with just an ON/OFF switch. The mixing ratio can be easily set using a variable plate system. It contributes to energy savings with low power consumption. When combined with a feeding device, it can be integrated into a recycling line. Optional features include an overflow chute for crushed material (B material), a full-level switch and warning for crushed material (B material), as well as miscuts and magnets. For more details, please contact us or refer to the catalog.

• Weighing Machine

The magnetic screw cylinder protection device, Magnet Separator, features a lattice-shaped magnet that combines a magnetic cover in a square and rectangular grid pattern. It can be easily attached to a hopper to collect metal powder using magnets. It is available in round shapes from 100mm to 235mm in diameter and a 235mm square shape. It removes foreign materials such as iron pieces and iron powder from pellets and crushed materials using magnetic force, making it suitable for various applications. There are SMKM, SMKK series, etc. For more details, please contact us or refer to the catalog.

• Other machine elements

The DV-15/30 vacuum dryer features Kawata's unique I.T.C heating, achieving high-precision drying and excellent operability. The power consumption is reduced by 75-87% compared to conventional dehumidifying dryers, and it has achieved a 15% space-saving compared to the traditional dehumidifying dryer (DF-15Z). It employs a touch panel that emphasizes operability and visibility. While using a simple cylindrical heater, which was previously difficult, it now enables reliable heating and precise temperature control. The new method, which eliminates jamming, utilizes an MA bubble, making it easy for materials to avoid bridging and facilitating easy extraction from the collection box. SSR is used for controlling the heater and vacuum pump drive, and filters can be maintained without removing the main cover. The flow space heater automatically rises and lowers with one touch, allowing for mid-stop for safety, and there is no dead space at all. For more details, please contact us or refer to the catalog.

• Drying Equipment

The DO series nitrogen dryer (continuous type) does not damage materials and manages the materials from paper bags to molding machines with stable molding. It features an stabilization system that is not affected by factory humidity and temperature, allowing for intuitive operation by simply placing the bagged materials into the raw material tank and turning on the operation button. It stabilizes the condition of the materials (moisture and gas) to be fed into the molding machine, minimizes heating, and improves the condition of the materials. The NC type prevents yellowing with a nitrogen concentration of over 99, suitable for optical clean applications. For more details, please contact us or refer to the catalog.

• Drying Equipment

The DK series batch nitrogen dryer with re-adsorption prevention device is an optimal batch drying system for cases with low resin usage or small-batch production of various types. It is an advanced next-generation dryer designed to assist in molding. With its unique nitrogen heating and cooling system, it minimizes damage from thermal degradation and oxidation of materials, allowing for storage at room temperature after drying and just-in-time supply. The re-adsorption prevention device, equipped with an interceptor, prevents re-adsorption on the molding machine hopper. The built-in nitrogen generator reduces oxidation yellowing and degradation of materials. It features a high-performance filter and adopts a portable cassette-type drying hopper, eliminating the occurrence of powder and contamination during transport. It reproduces the previous molding conditions, reducing material and time loss, and accommodates small batches of various types with batch processing and easy cleaning. The drying method stops heater heating upon completion of the required drying time, achieving ultimate energy savings by avoiding excessive heater heating. For more details, please contact us or refer to the catalog.

• Drying Equipment

High-efficiency drying (dew point -40℃) has been achieved! Equipped with a high-performance proprietary corrugated honeycomb! It carries zeolite throughout the interior of the substrate, allowing for low dew point (-40℃) air to be obtained. Easy maintenance has been realized by concentrating the filters at the front. The drying hopper is available in standard line-ups ranging from 200kg to 800kg capacity. Additionally, the body and cone of the drying hopper are designed with a moisture retention structure, ensuring uniform material temperature. For more details, please contact us or refer to the catalog.

• Drying Equipment

The transport machine options include a blower unit (cyclone type with dust collection tank), which is effective for materials with a small amount of powder and is characterized by reducing the frequency of filter cleaning. Next, the blower unit (bag filter type) has good dust collection performance and is particularly excellent for materials with a lot of powder and for transporting crushed materials. The filter cleaning is done using a manual lever vibration method. Other options include an auto selector (capacity measurement switching valve) and a dust separator. For more details, please contact us or refer to the catalog.

• others
• Other conveying machines

The AL Series Vacuum Conveyor <Multi-Purpose Type> features a simple structure and transports materials to various hoppers. It allows for the selection of hopper capacity and blower capacity according to your desired performance, achieving space-saving design considering installation locations, as well as simplifying cleaning and maintenance. There are various options available to accommodate multiple purposes, and the operation uses our original easy interactive interface. The transport conditions are for pellets with a bulk specific gravity of 0.6. The transport capacity includes a vertical transport distance of 4 meters. In the case of a back filter type, the above capacity will be reduced by 20%. For more details, please contact us or refer to the catalog.

• others
• Other conveying machines

The ADA series (Little D) hot air dryer is designed to perfectly fit small molding machines, significantly reducing size to meet customer needs. The hopper can be detached while the raw materials remain loaded. A large handle has been attached to the body for easy handling. It features excellent cleanability with a split hopper design and uses a large-capacity blower despite its compact size, ensuring uniform temperature of the resin inside the hopper. A snap damper with minimal biting and no powder leakage has also been adopted. The operation panel can be repositioned to the left or right using an adapter. For more details, please contact us or refer to the catalog.

• Drying Equipment

The ADA series of hot air dryers maintains high performance and is user-friendly with microcomputer control. The control panel, equipped with a microcomputer, features our original easy interactive operation, and the inspection port of the hopper has been enlarged to 2-3 times its conventional size, making cleaning during material changes easy. It is equipped with an automatic start timer and self-diagnosis function. We have thoroughly pursued maintenance ease, and the diffuser cone features a one-touch removal mechanism. It also includes an abnormal diagnosis function. For more details, please contact us or refer to the catalog.

• Drying Equipment

The AC-30C series capacity measuring mixer is designed as a compact unit that integrates transportation, measurement, and mixing, significantly reducing material changeover time with easy cleaning and simple measurement checks. It is directly connected to the molding machine, eliminating the need for a hopper. All parts can be easily removed without tools, making cleaning during material changes straightforward. By simply opening the door, the measurement of the main material can be easily checked. The table feeder adopts a cassette type, allowing for easy measurement checks by inverting it, and having a spare container further shortens color change time. For more details, please contact us or refer to the catalog.

• Weighing Machine

The Wingscaler "WS-100" is a loss-in-weight continuous powder feeding device that accommodates various powders. It is equipped with multiple types of screws to meet a wide range of powder characteristics and dosing requirements. By adopting a cage-type agitator, it supplies powder to the screw feed zone while rotating it within the cage, achieving stable metering and feeding without being affected by the powder pressure at the top of the agitator. The metering capacity ranges from 30 kg to 120 kg/h. With a specially structured casing and a vibrator, it ensures stable discharge without the occurrence of bridging, even with highly cohesive powders. The one-touch clamp design allows for easy disassembly and cleaning of the main components. Additionally, it controls the rotation speed of the agitator inside the hopper, reducing the burden on the raw materials. For more details, please contact us or download the catalog.

• Powder Supply Device

Our company manufactures processing equipment for rubber, plastics, food, pharmaceuticals, metals, and more, widely used in various powder and granular production sites. The "High-Speed Fluid Mixer Super Mixer" began production in 1962, and we have delivered approximately 6,500 units both domestically and internationally. Additionally, the "Heat Transfer Circulation Temperature Control Unit Just Thermo" started production in 1977, and over the past 30 years, we have delivered about 70,000 units to 30 countries. This catalog features a wide range of processing equipment for various materials. For more details, please contact us or download the catalog.

• Other machine tools

System equipment/plant equipment eliminates inconsistencies, strain, and waste in molding factories by automating the interlinked processes from raw material receiving devices to centralized drying devices, centralized mixing devices, and distribution supply devices. By incorporating unique products from Kawata, along with high-level system engineering technology, such as auto feeders (automatic material change/centralized distribution devices) and fine powder separation and removal devices, we significantly contribute to improving product quality and productivity, as well as the CIM, FA, and FMS transformation of factories. Please contact us for more details.

• others

The mass measurement supply machine "SAC Series Synchro Auto Color" adopts a revolutionary proprietary system that synchronizes the flow of the main material with the masterbatch for continuous supply, eliminating the need for mixing. The masterbatch is measured with high precision and is directly air transported to the molding machine. There is no concern about color variation due to separation. A bold concentration of the masterbatch can be achieved. For more details, please download the catalog.

• Other powder equipment

The mass measurement mixing machine "ACA-b Series Auto Color II" is the new standard for weighing and mixing machines, evolving its basic performance (weighing function/mixing function/usability). The weighing accuracy has been upgraded to ±0.3% or less of full scale. The main body (supply, weighing, mixing section) can be mounted on the machine. It adopts an efficient "batch mixing method," allowing for uniform mixing and complete discharge. It features a material usage function and an easy-to-remove component mechanism for simple maintenance. For more details, please download the catalog.

• Other powder equipment