片桐鉄工所 List of Products and Services

A type of "blow-through rotary valve" that can be directly connected to an air transport pipe for hygienic powder transport has been introduced, featuring an openable cover for internal cleaning! Hygiene has been further improved! It is also ideal for sites that want to discharge multiple types of powders with a single unit. Please consider this rotary valve that combines sealing capability and hygiene!

• Other powder equipment

Ideal for feeding biomass power generation fuels (such as wood chips and RPF)! By reducing jamming issues, an increase in power generation efficiency can be expected. Additionally, it is the perfect rotary valve for situations where you want to discharge "large, bulky items without causing jams," such as bulky waste and vegetable scraps.

• Other powder equipment

Ideal for handling fragile particles such as resin pellets and hollow products, where breakage and chipping are strictly prohibited! Improvements in quality and maintenance of gas adsorption capacity can be expected.

• Other powder equipment

I want to reduce air loss in air transport... I want to transport over long distances with a large-capacity blower... I want to quantitatively feed into equipment with high internal pressure... In such situations, please consider our "Differential Pressure Sealed Rotary Valve"! Achieve a 90% reduction in air leakage! (Compared to our standard structure rotary valve)

• Other powder equipment

For those who may experience health issues from inhaling dust that rises when repackaging chemical raw materials and fertilizers...

• Other powder equipment

The "3M Leveling Machine" is a device used to remove distortion after welding. Simply set the welded plate and press the button. It is designed to be compatible with the "3M Linear Automatic Welder (Tig)" as it was produced as a set, but it can be made in your desired size. Many sites still use hammers to remove distortion, but this method can easily lead to accidents, such as accidentally hitting one's hand. We believe this product is effective in addressing future labor shortages. 【Features】 ■ Set with a manual handle – start with a push button ■ No noise or vibration at all ■ Levels the surface by applying pressure with a hard blade ■ Leveling pressure can be adjusted by rotating the handle *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines
• Contract manufacturing
• others

The "3M Linear Automatic Welding Machine (Tig)" is a product handled by Katagiri Iron Works, which manufactures and sells specialized equipment for bulk material handling (such as rotary valves and double dampers). We have developed equipment compatible with 3M. The welding rod can be moved manually, allowing for easy setting of the starting position. Additionally, there is no need for complicated programming, making it operable even for beginners. By performing butt welding on materials that were previously considered scrap, we can convert them into products, significantly reducing waste material. 【Features】 ■ Incorporates commercially available Tig welding machines ■ Positioning with a protruding rod and strong clamp (no temporary fixing required) ■ Visual line confirmation is possible ■ Back shielding allows for backside welding ■ Welding distortion is minimized with thick cooling metal *For more details, please refer to the PDF document or feel free to contact us.

• Welding Machine

The "Two-Way Switching Shoot/Valve" from Katagiri Iron Works is designed to change the flow path of powder by switching the position of a swing-type valve body within the casing. It is available in manual and air cylinder types, and branching methods can be either T-type or Y-type. The inlet and outlet can be square or round. If sealing is required, the entire circumference of the valve plate can be rubber-lined. 【Features】 ■ Structure that changes the flow path of powder ■ Manual type / Air cylinder type ■ Branching methods: T-type, Y-type ■ Inlet and outlet: square or round *For more details, please refer to the PDF materials or feel free to contact us.

• Other powder equipment

The "Double Damper" from Katagiri Iron Works is a mechanism that discharges powder while constantly sealing the differential pressure by alternately opening and closing two valves, one above the other. The valve plates are typically equipped with rubber gaskets, but metal contact is also possible depending on the temperature. The drive methods available are pneumatic cylinder type, electric type, and manual type. Both square and round inlet and outlet options are available. The four inspection ports make internal cleaning and valve plate or component replacement easy. 【Features】 ■ Mechanism for discharging powder ■ Valve plates can have metal contact in addition to rubber gaskets ■ Drive methods include pneumatic cylinder type, electric type, and manual type *For more details, please refer to the PDF document or feel free to contact us.

• Other powder equipment

The "High Seal Type Slide Gate" is a slide gate that improves sealing performance by lifting the valve plate and making it closely contact with the tip of the inlet chute. Thanks to its excellent sealing capability, it has successfully achieved liquid (tap water) sealing. It can also be used in areas with small face-to-face distances. 【Features】 ■ Slide gate with improved sealing performance ■ Successful liquid (tap water) sealing ■ Usable in areas with small face-to-face distances *For more details, please refer to the PDF document or feel free to contact us.

• Other powder equipment

Our company is committed to the motto of "manufacturing superior machines that allow no competition from other manufacturers." We produce dedicated machines that can meet the needs of various eras and companies, including small vacuum device components, large vacuum systems, and powder valves. With all lines for sales, design, can manufacturing, machinery, and finishing assembly in-house, we can provide equipment that accurately reflects our customers' requests. If you need dedicated machine manufacturing, please feel free to consult with us. 【Products Offered】 ■ Forged product alignment devices ■ Lifting devices ■ Compression screws ■ Base plate mounting carts ■ Sanitary screws *For more details, please refer to the PDF materials or feel free to contact us.

• valve
• Industrial Furnace
• others

The "Scraper Rotary Valve" is an optimal rotary valve for the quantitative discharge of adhesive powders. By synchronously rotating the rotor and the scraper, the powder in the rotor pocket is scraped out, allowing for a stable discharge amount. It is used in power plants and waste treatment facilities for discharging easily adhesive materials such as humidified coal, humidified fly ash, and humidified industrial waste. 【Features】 ■ Optimal for the quantitative discharge of adhesive powders ■ The rotor and scraper rotate synchronously to scrape out the powder in the pocket ■ Stable discharge amounts can be achieved *For more details, please refer to the PDF materials or feel free to contact us.

• Other powder equipment

This is a rotary valve designed to prevent jamming by attaching wear-resistant belt chips to the tips of the rotor blades. It is capable of processing a variety of materials with different sizes, hardness, and compositions all at once. It has a proven track record in biomass power generation and waste treatment facilities that handle industrial waste such as wood chips, waste plastics, waste tires, and concrete fragments. It is also ideal for supplying storage facilities for soybeans, corn, coal, and more. 【Features】 - Prevents jamming by attaching wear-resistant belt chips to the tips of the rotor blades - Capable of processing a variety of materials with different sizes, hardness, and compositions all at once - Suitable for various applications *For more details, please refer to the PDF document or feel free to contact us.

• Other powder equipment

The "Water Flow Separator (Egg Separation)" is a machine that selectively separates only the egg particles from the coarsely torn fish egg sacs. After floating separation using a turbulent water flow with periodic vibrations, mesh separation is performed to remove any mixed egg sac membranes, scales, algae, sand, iron sand, etc. It is also ideal for separating seeds of agricultural products (such as perilla seeds and donburi) and for removing debris. 【Features】 - Composed of a deep tank section and an inclined bucket section - Performs floating separation using a turbulent water flow with periodic vibrations, followed by mesh separation - Capable of removing egg sac membranes, scales, algae, sand, iron sand, etc. - Also ideal for separating seeds of agricultural products (such as perilla seeds and donburi) and for removing debris *For more details, please refer to the PDF document or feel free to contact us.

• others

The "automatic shut-off valve" is a product that enables the continuous pulling of silicon single crystals by being installed on the CZ-type pulling machine, thereby improving production volume. The interior is finished to a mirror surface, and the entire structure is cooled to block radiation heat of 1400°C (vacuum sealing). It is ideal for the preliminary door of a vertical high-temperature furnace entrance. 【Features】 - Enables continuous pulling of silicon single crystals - Increases production volume - Interior finished to a mirror surface, entire structure cooled to vacuum seal radiation heat of 1400°C - Ideal for the preliminary door of a vertical high-temperature furnace entrance *For more details, please refer to the PDF document or feel free to contact us.

• others

The "Vertical Vacuum Furnace" is a device manufactured as an auxiliary facility to enhance the capabilities of an accelerator. With the vertical vacuum furnace, it is possible to perform air baking (annealing and brazing) on ultra-large vacuum units. All operations and processes can be carried out on a stage provided inside the main body, allowing for vacuum heat treatment without introducing vibrations. It is suitable for degassing treatments of internal components of the vacuum furnace and vacuum heat treatment of large-diameter piping (containers). 【Features】 ■ Capable of air baking (annealing and brazing) for ultra-large vacuum units ■ All operations and processes can be performed on a stage provided inside the main body ■ Vacuum heat treatment can be performed without introducing vibrations *For more details, please refer to the PDF materials or feel free to contact us.

• Industrial Furnace
• Heating device

This is a rotary valve used in the next-generation thermal power generation system "IGCC (Integrated Gasification Combined Cycle)." *We use a patented shaft sealing device. The shaft sealing device can also be sold separately; please contact us for inquiries.*

• Other powder equipment

The "Powder Shaft Sealing Device" is a device that prevents the leakage of gas and fine particles from the main shaft of powder supply equipment. It is designed to withstand a pressure of 34 kg/cm² (3.4 MPaG) and high temperatures up to 450°C, and it is patented. It contributes to resolving shaft sealing issues in existing equipment at various companies. The valves equipped with this device have been adopted as raw material supply valves at two power plants in Japan. 【Features】 ■ Prevents the leakage of gas and fine particles from the main shaft of powder supply equipment ■ Withstands pressure of 34 kg/cm² (3.4 MPaG) and high temperatures up to 450°C ■ Contributes to resolving shaft sealing issues in existing equipment ■ Patented (No. 4909426) ■ Installed in raw material supply valves used in power plants *For more details, please refer to the PDF document or feel free to contact us.

• shaft
• others

The "High Seal Type Knife Gate" enhances the sealing performance of knife gates for powder applications, making it suitable for liquid sealing as well. It achieves high sealing performance for liquids with a small face-to-face size, accommodating diameters from 40mm for small sizes to 70mm for large sizes. This product is highly recommended for those who need a gate with high sealing performance in a narrow face-to-face configuration. 【Features】 ■ High sealing performance ■ Suitable for liquids ■ Small face-to-face size ■ Available for small diameters starting from 40mm *For more details, please refer to the PDF document or feel free to contact us.

• Other factory equipment and parts

The "slide gate valve" is a device that can block bulk materials. It can be manufactured in manual (handle, chain type), air cylinder type, or electric type. Both square and round shapes can be produced for the inlet and outlet. In addition to blocking bulk materials, we also manufacture sealed types that seal the pressure above and below. 【Features】 ■ Used to block the flow of bulk fluids ■ Can be produced in various shapes and materials according to application *For more details, please refer to the catalog or feel free to contact us.

• Other powder equipment

The "Sanitary Rotary Valve" is a rotary valve capable of manufacturing food and pharmaceutical powders, as well as powder coatings and toners. It is an excellent product in terms of hygiene, as it allows for easy disassembly, internal cleaning, inspection, and reassembly while remaining in the production line. Its outstanding functionality and convenience have been highly regarded in the manufacturing of powder coatings and toners. It is also possible to manufacture the entire equipment in all SUS, including the base and cover, allowing for water washing of the entire unit. 【Features】 ■ Internal cleaning and removal can be done while the main body is assembled in the production line. ■ Direct motor connection and compatibility with ferrules at the inlet and outlet are also possible. ■ Silicone and Teflon sealing materials are available. *For more details, please request materials or view the PDF data available for download.

• Other powder equipment

The "Titanium Lined Rotary Valve" is a specially designed rotary valve suitable for use in corrosive environments such as corrosive gases and seawater. Thanks to the lining process, significant cost reductions can be achieved compared to an all-titanium construction. The boundary between the titanium and the base material is almost imperceptible to the naked eye. This product is highly regarded for its technological capabilities. 【Features】 ■ Significant cost reduction due to the lining process ■ Strong resistance to corrosion ■ The boundary between the titanium and the base material is almost imperceptible to the naked eye *For more details, please refer to the catalog or feel free to contact us.

• Other powder equipment

The "Wear-Resistant Rotary Valve" is a rotary valve that is effective for air transportation of abrasive powders (e.g., incineration ash, mineral powder). By applying a hard metal coating to the sliding parts and incorporating a special structure in the shaft sealing area, we have achieved a remarkable performance improvement with a wear resistance lifespan more than 10 times that of conventional products (compared to our company). It is particularly effective for air transportation in high-pressure environments on the outlet side. 【Features】 ■ Wear resistance lifespan is over 10 times that of conventional products ■ Special structure adopted in the shaft sealing area ■ Product under patent application *For more details, please refer to the catalog or feel free to contact us.

• Other powder equipment

The "Breakthrough Type Rotary Valve" is a rotary valve that easily becomes a self-supporting pumping device when combined with a blower. It can be directly connected to the pumping line, and since the blower air directly hits the rotor pockets, there is minimal adhesion of powder to the rotor, allowing for hygienic and highly sealed transportation. Its direct installation to the line saves space. It is used in the production of lightweight foods (such as powdered milk and instant coffee), and larger types can be used for handling operations. 【Features】 ■ Special structure adopted for bearing and blade shaft sealing ■ Usable in high-pressure transport lines ■ Capable of pumping abrasive powders *For more details, please refer to the catalog or feel free to contact us.

• Other powder equipment