ウイツエンマンジャパン List of Products and Services

It absorbs vibrations, thermal expansion, and engine movements.

• Fittings

The flexible heat expansion absorption around the engine and the high-pressure resistant bellows feature a "hermetic structure" and "correction and absorption of vibration, thermal expansion, and assembly errors," and we have been proposing them since the initial development in Japan.

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It is a saddle support that fixes the pipe and a roller support that absorbs lateral displacement of the pipe. We have a wide range of achievements in the construction industry, including petrochemical plants.

• Parts and Materials
• Piping and electrical wiring materials

It is used for the safety technical protection of system components such as pipelines, pressure vessels, valves, and pumps.

• Parts and Materials

We have horizontal and vertical types available. Additionally, we offer standard, reinforced, and re-reinforced types according to the shape and application.

• Parts and Materials

It is a movable support that maintains a specified load and is ideal for absorbing large displacements of 60mm or more. It also has excellent corrosion resistance.

• Parts and Materials

It features a blocking part that allows the spring position to be changed and fixed, enabling adjustment of the spring position according to the actual specified load.

• Parts and Materials

This is a standard axial expansion joint pipe compatible with steel, stainless steel, and copper piping in buildings.

• Fittings

It absorbs large bending direction displacements. It is also compatible with braces such as single pivot bolts, tie rods, and caliper joints.

• Fittings

It absorbs displacements in the shear direction. There is also a type with anchors that prevents elongation due to axial thrust.

• Fittings

It absorbs displacements in all directions. It is designed according to the specifications required and is used in power generation, gas, and various plant projects.

• Fittings

It absorbs axial displacement. It can also accommodate shear and bending directions if the amount is small. Standard operating pressure ranges from 1 to 63 bar, and it is possible to manufacture standard inner diameters from 15 to 4000 mm.

• Fittings

We take pride in our extensive delivery track record for shower hoses used in households, as well as faucet hoses for kitchen sinks and washbasins.

• Piping and electrical wiring materials

It is widely used for the protection of wiring such as electric wires. Additionally, it can also be used as a flexible exhaust pipe when complete airtightness is not required.

• Parts and Materials
• Wiring devices

You can design the piping layout according to the user's preferences. We have a sales record of over 4 million meters annually, with inner diameters ranging from 6mm to 300mm, with or without blades.

• Piping and electrical wiring materials
• Parts and Materials

It is used as an actuator that converts pressure into displacement using the spring constant and cross-sectional area, which are characteristics of the bellows.

• Parts and Materials

This is a bellows used to absorb the thermal expansion difference between the glass outer tube and the steel inner tube of the heat collecting pipe.

• Piping Equipment
• Parts and Materials

The bellows for vacuum circuit breakers achieve both vacuum sealing between contacts and responsiveness to switching.

• Parts and Materials

"Formed Bellows" ◆ For Microelectronics and Semiconductor Manufacturing - High fatigue limit metal bellows for vacuum valves - Diaphragm-type bellows with high flexibility - Flexible metal hoses for applications requiring high cleanliness - Precision bellows/actuators for optical applications ◆ Valve Shaft Bellows - Bellows seals that do not use gland packing for high-quality valves ◆ Metal Bellows for Vacuum Equipment - Spindle seals for vacuum valves, seals for vacuum switches ◆ Metal Bellows for Solar Systems - Collector tubes, joints between collector tubes ◆ Bellows for Sensors and Actuators - Characteristic management of sensors and actuators using the spring constant and cross-sectional area of the bellows ◆ Metal Bellows Couplings - For maintenance-free couplings ◆ Metal Bellows for Automotive Engines - Bellows with minimized cross-sectional area "Welded Bellows" ◆ Bellows for Floating Ring Seals - For dynamic seals with rotating waveforms ◆ Metal Bellows Accumulators - For energy storage in hydraulic systems (gas accumulators)

• Parts and Materials

"FLEXPERTE(R)" is a simple PC software that allows you to select expansion joints, metal bellows, metal hoses, and pipe supports. It can be downloaded from our website. It is intended for use only when the design requirements are simple and can be met with standard products, so please leave specific designs and proposals to our engineers. 【Features】 ■ Bellows design ■ Data sheet creation ■ Quotation request creation *For more details, please refer to the related links page or feel free to contact us.

• Parts and Materials
• Other Software

The "Precision Bellows" is a small multi-layer bellows with an inner diameter of 3mm, used as a sealing element that displaces with high precision in piezoelectric injector applications. It maintains a seal to keep the piezoelectric element completely dry while enabling minute and rapid displacements through the piezoelectric element. This product is also adopted in accumulators installed in hybrid vehicle brake systems, allowing for high braking force even when the motor is stopped. 【Features】 ■ Customizable design to meet customer requirements ■ Realization of compact shapes (minimum inner diameter of 3mm and above) ■ Production facilities available in clean rooms ■ Mass production capabilities *For more details, please refer to the related link page or feel free to contact us.

• Parts and Materials

Metal bellows are also suitable for flexible 'bellows couplings.' This product transmits power directly without any play during operation and can absorb misalignment due to axial, shear, and bending forces. The symmetrical design achieves low vibration even at high speeds. 【Features】 ■ Maintenance-free & flexible coupling ■ Allows for flexible bending without twisting ■ Achieves low vibration even at high speeds due to symmetrical design ■ Ideal torque transmission ■ Long lifespan *For more details, please refer to the related link page or feel free to contact us.

• Parts and Materials

The "Bellows" is a product designed under the requirements of pressure resistance, airtightness, and high cycle axial displacement, featuring a compact design and utilizing various stainless steel materials (equivalent to SUS321, SUS316Ti, SUS316L, SUS304L). High-grade materials such as Hastelloy, Inconel, and Incoloy are also available. With TÜV certification for welding machines, welding methods, qualifications for operators, and approvals from institutions worldwide, we provide bellows that meet stringent requirements. 【Features】 ■ ANSI Class: up to 2,500 ■ Maximum Pressure Resistance: 60 MPa ■ Maximum Plate Thickness: 8 layers × 0.50 mm/layer *For more details, please refer to the related link page or feel free to contact us.

• Parts and Materials

"Formed bellows" are components that combine high pressure resistance and displacement absorption. With a wide range of nominal diameters and materials, we can accommodate not only single-layer but also multi-layer bellows. Bellows can be supplied not only as standard connection components but also welded to your designed parts for assembly supply. 【Features】 ■ Corrosion resistance and temperature resistance ■ Pressure resistance and flexibility ■ Long lifespan ■ Nominal diameter: minimum 3mm～ ■ Pressure resistance: maximum 50MPa *For more details, please refer to the related link page or feel free to contact us.

• Parts and Materials

The HYDRA(R) corrugated hose is formed by seamless or longitudinally welded tubes and consists of various thicknesses, raw materials, and components. The corrugated hose, which must meet the most stringent purity requirements and be free of impurities (particles and film residues), is manufactured in a special cleanroom environment. *For more details, please feel free to contact us.*

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