A high airtight automatic opening and closing option is now available for general-purpose aluminum swing doors!

Utility aluminum doors that meet a wide range of needs.

This is a flush door that meets a wide range of needs, from large doors for the entry and exit of machinery from inspection openings to air-tight doors for super clean rooms that require strict airtight performance for the entry and exit of people and goods. The DR30 is a thin and lightweight aluminum flush door suitable for inspection openings and doors for people, commonly referred to as "man doors," using latch-type locks. The DR34 is a thin and lightweight aluminum flush door that can incorporate electric locks using a dedicated outer frame and is compatible with interlock and access control systems. It has a clean appearance due to its small frame dimensions. There are the "DR30," which uses latch-type locks, and the "DR34," which allows for the incorporation of electric locks using a dedicated outer frame. The DR40 is a versatile aluminum flush door that accommodates a wide range of needs, from various sizes for large doors for the entry and exit of machinery to super clean rooms that require high airtightness for the entry and exit of people. It meets airtight performance grade A-4 even with three-sided frames, as well as four-sided frames.

• others

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If you require a detailed technical explanation, please contact us.

Fukuda's new flagship model. - Masterless type (FLA-0200 series) - General type (FLA-0201 series) Two models of air leak testers. With the mastering correction function, high-precision measurements can be achieved in a short time. Please take a look at the catalog.

The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed without causing any thermal impact on the base material. Repairs can be made even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.