NITTO KOHKI CO., LTD. Product Lineup

The door closer is a product that allows doors to close quietly and safely. It is used in various types of doors around the world, including those in medical facilities, offices, and transportation systems. Utilizing spring or hydraulic mechanisms, it automatically closes doors without the need for external arms, resulting in a neat look. This catalog features the AUTO-HINGE Center Hang Type, which is fully built into the door, leaving no visible components on the exterior. Features: - Concealed type (door built-in type) - A wide variety of models to suit various applications - Suitable for fire doors, smoke ventilation systems, frequently used doors, and air intake doors - Easy installation with the Slide Receptive Base For more details, please refer to the PDF catalog or feel free to contact us.

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The door closer is a product that allows doors to close quietly and safely. It is used in various types of doors around the world, including those in medical facilities, offices, and transportation systems. Utilizing spring or hydraulic mechanisms, it automatically closes doors without the need for external arms, resulting in a neat look. This catalog features the AUTO-HINGE Flag type, a hinge with a built-in door closer function. It offers an aesthetic appearance while being suitable for various swing doors. Features: - Wide range of applications (usable on arched doors or doors without upper frames) - Built-in stop mechanism to hold the door open (available only in models with “S” in their model number) - Easy adjustment of closing speed with a screwdriver - Simple installation (same method as standard hinges) For more details, please refer to the PDF catalog or feel free to contact us.

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The door closer is a product that allows doors to close quietly and safely. It is used in various types of doors around the world, including those in medical facilities, offices, and transportation systems. Utilizing spring or hydraulic mechanisms, it automatically closes doors without the need for external arms, resulting in a neat look. This catalog features high-performance sliding door closer with excellent workability that opens and closes quietly with ease. Features: - Opens easily with minimal force - Small, lightweight, long life - The reinforced resin door roller and aluminum rails allow very quiet opening and closing - Easy and quick installation For more details, please refer to the PDF catalog or feel free to contact us.

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This catalog features quick connect couplings for hydrogen. It covers a wide range from low pressure models suitable for space saving and lightweight use, to high pressure models with a working pressure of 87.5 MPa, suitable for leak and pressure resistance testing. Featured products: 1. H2-CZL CUPLA (for low pressure) 2. H2-HSU CUPLA (for medium pressure) 3. Receptacle / Simplified nozzle (for high pressure), etc. *For more details, please refer to the PDF catalog or feel free to contact us.

• Coupling

Towards the realization of a decarbonized society, hydrogen is garnering significant expectations as a next-generation energy source. On the other hand, due to its characteristic of "small molecules that are prone to leakage," infrastructure with high safety and high sealing performance is required. In our publication "What We Can Do for a Hydrogen Society," we introduce products for the safe handling of hydrogen categorized by usage pressure. [The Value Nitto Kohki Provides to the Hydrogen Society] - User-friendly operation with one-touch handling Balances the "speed" and "reliability" required at hydrogen stations and research facilities. - Adaptability to a wide range of applications Supports research and development, hydrogen stations, and industrial hydrogen facilities. - Reliability that supports the future hydrogen infrastructure Designs and quality cultivated through years of fluid technology contribute to stable operations.

• Coupling

This catalog features application examples of how our quick connect couplings and linear compressors can be utilized in a hydrogen-based society. Featured products: 1. H2-CZL CUPLA (for low pressure) 2. H2-HSU CUPLA (for medium pressure) 3. HHV CUPLA (for high pressure) 4. VC0101 (AC driven diaphragm compressor and vacuum pump) *For more details, please refer to the PDF catalog or feel free to contact us.

• Coupling

The AUTO-HINGE Flag Type is a hinge with a built-in door closing function. Its clean and simple design complements various types of doors, enhancing both appearance and performance. This catalog features hinges specifically designed for lightweight interior doors. Featured products: 1. 300 Series 2. 1000 Series 3. 2000 Series For more details, please refer to the PDF catalog or feel free to contact us.

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The AUTO-HINGE Flag Type is a hinge with a built-in door closing function. Its clean and simple design complements various types of doors, enhancing both appearance and performance. This catalog features hinges specifically designed for heavy interior doors. Featured products: 1. 100 Series 2. 200 Series For more details, please refer to the PDF catalog or feel free to contact us.

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The AUTO-HINGE Flag Type is a hinge with a built-in door closing function. Its clean and simple design complements various types of doors, enhancing both appearance and performance. This catalog features hinges specifically designed for exterior doors. The 700 series utilizes a special sealing structure and stainless steel components, making it suitable for use in environments such as bathrooms and coastal areas. Featured products: 1. 700 Series 2. 1000PC Series 3. 2000PC Series For more details, please refer to the PDF catalog or feel free to contact us.

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The AUTO-HINGE Center Hang Type is a concealed door hinge with self-closing function. Its excellent performance and durability make it suitable for swing doors and fire doors. This catalog features the AFD Series, which enhances safety as a door-closing device by minimizing changes in closing time, even under fluctuating ambient temperatures. Featured products: AFD-8KH to AFD-22 + NKOS-M18 Type AFD-30 to AFD-35A + NKOS-M20 Type For more details, please refer to the PDF catalog or feel free to contact us.

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Sliding door closer is a closer that opens easily with minimal force and close quietly and securely at the desired closing speed. NSC-CB series features stainless steel materials and secure seal structure, ensuring long-term stable use even in high-humidity environments such as bathrooms. Featured products (Made to order products): ■NSC-CB88 for bathrooms/for steel doors ■NSC-CBA88 for bathrooms/applicable to aluminium door sash for automatic doors (built-in type) *For more details, please refer to the PDF catalog or feel free to contact us.

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The MYTON MYG-25L is a compact and lightweight air grinder. Despite its small size, it is powerful, combining grinding capability and durability. [Standard Accessories] - 5 mm hex key: 1 piece - 19 mm wrench: 1 piece - Grinding stone GS#80×58: 1 piece - Bushing R1/4×NPT1/4 The air grinder of the same series (Model: MYG-40L) and the air disc sander (Model: MYS-20L) have also been renewed. Please refer to the catalog below for more details.

• Air Tools

MYTON MYS-20L is a compact and lightweight pneumatic sander for abrasive discs. A wide range of abrasive discs (#40 to #320) is available for each pad size. Accessories Included: - 1" Disc Sanding Pad - 1-1/2" Disc Sanding Pad - 2" Disc Sanding Pad - 2 pieces of 14 mm Single Ended Spanner - Bushing R 1/4×NPT 1/4 - Abrasive Discs: 2 each of #60, #80, #100 and #120 1" Abrasive Disc 2 each of #60, #80, #100 and #120 1-1/2" Abrasive Disc 2 each of #60, #80, #100 and #120 2" Abrasive Disc

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Single-action double-sliding system (model: SC-2SA) allows two sliding doors to open and close in conjunction by combining with our standard sliding door closers. Installation time is reduced by approximately 20% compared to our conventional model. Specifications (Base model: NSC-C48/NSC-C88*1) - Max. width of effective opening: 800 to 1500 mm - Applicable door weight [Total of two doors]: 80 kg (160 kg*2) - Applicable door thickness: 30 to 45 mm - Minimam in-frame dimensions H: 220 mm D: 100 mm*3 *1: Made to order product *2: Can support up to 160 kg by using 2 sets of the Door Closer standard set model. *3: When door thickness is 30 mm and space between doors is 10 mm. *For more details, please refer to the PDF catalog or feel free to contact us.

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CUPLA for temperature control equipment enables smooth connection and disconnection of cooling water piping. We have a lineup of CUPLA with a unique valve that minimizes air inclusion on connection and liquid spillage on disconnection, and also CUPLA with various end configurations, sizes, body materials, and many other functions and specifications. Features [COMPACT ZEROSPILL CUPLA] - For low pressure, high flow type, for coolant piping - Compact size saves space - Valve structure reduces air inclusion on connection and liquid spillage when disconnecting - Easy operation, push-to-connect function - Automatic shut-off valves prevent fluid from spilling out on disconnection [ZEROSPILL CUPLA] - For medium pressure, general applications - Valve structure reduces air inclusion on connection and liquid spillage when disconnecting - Easy operation, push-to-connect function - Automatic shut-off valves prevent fluid from spilling out on disconnection [HI FLOW CUPLA] Semi-Standard series - For low pressure, water and temperature control equipment piping - Compact size saves space - High flow characteristics for enhanced cooling effect. - Automatic shut-off valves prevent fluid from spilling out on disconnection For more details, please refer to the PDF catalog or feel free to contact us.

• Pipe Fittings

This catalog features application examples of the electric vacuum end effector and vacuum pumps used in vacuum lifting systems. To support energy-saving efforts and carbon neutrality, download this catalog to explore our vacuum pump solutions. 【Featured Products】 1. Electric Vacuum End Effector “e‑VEE” 2. HK-400A 3. VP0660 4. VP0940 5. DP0410 / DP0410T For more information, please refer to the PDF or contact us at your convenience.

• Vacuum pump

AUTO-HINGE Flag Type 100 / 200 Series Empty Hinges are hinges without a closing function. Use the Empty Hinge on the sub door when you want to match the design with the hinges with the closing function installed on the master door. The ball bearing structure enhances durability. If a closing function is required, use the Spring Hinge and Damper Hinge of the same model. For more details, please refer to the PDF catalog or feel free to contact us.

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The MYTON MYG-40L is an air grinder designed for medium grinding. It features a lock lever system that stops operation when the hand is removed from the lever, ensuring safety. Additionally, it allows for adjustable rotation speed, and its powerful motor enables stress-free grinding. [Standard Accessories] - 5 mm hex key: 1 piece - 6 mm hex key: 1 piece - Bushing R 3/8×NPT 3/8

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"PCV Pipe CUPLA" is a quick connect fluid coupling designed for copper pipe connections. No welding, machining, or tightening is required—pipes can be easily and directly connected. Its dual-seal structure on both the pipe end face and outer surface ensures excellent airtightness and vacuum resistance, supporting vacuum levels down to 0.13 Pa (0.001 mmHg) during connection. A wide range of sizes and sealing materials are available to meet the needs of manufacturing processes for air conditioners, refrigerators, and packaged systems. Features: - No welding, machining, or tightening required - Excellent airtightness and vacuum resistance - Size variations to match pipe outer diameters - Wide selection of mounting thread sizes Note: PCV400, PCV500, and PCV1000 are made-to-order products.

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"delvo" Brushless Type C Series DLV70C is a current controlled electric screwdriver that allows up to 30 different torque settings in a single unit. It is a high-torque model newly added to the lineup, following the previous DLV45C. Equipped with two fastening modes "SOFT" and "HARD", it enables optimal tightening for various workpieces. It also features 9 speed settings and 3-step automatic speed control function, enhancing fastening quality and work efficiency. In addition, two safety functions, "Caution mode" and "Refastening prohibited time setting" help reduce human error. Features: - Current controlled torque system - Low-voltage brushless motor - ESD (Electrostatic Discharge) protection structure - For both hand-held / automated machines (external startup) - Two measuring methods: (Time / Motor rotation signal) For more details, please refer to the PDF catalog or feel free to contact us.

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