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

Flexible protective hoses that conduct hydraulic oil, coolant, and gas protect electrical cables from mechanical and thermal stress while absorbing strong tensile forces.

• Other safety and hygiene products
• hose

In alternative drive technologies (hydrogen, electricity), our thin plate processing technology is utilized for media transport, delicate cable protection, and system displacement absorption.

• Other Auto Parts

We will provide design proposals tailored to your needs for cooling water, oil, air conditioning, and supply air systems.

• Other packaging materials
• Piping Materials

It absorbs vibrations, thermal expansion, and engine movements.

• Ventilation and Exhaust
• Engine parts
• Pipe Fittings

The heat expansion absorption flex and high-pressure bellows around the engine feature "airtight structure" and "vibration, thermal expansion, and assembly error compensation absorption," and we have been proposing them since the initial development in Japan.

• Other Auto Parts
• Engine parts

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, particularly in the petrochemical plant and construction industries.

• Other work tools
• Piping Materials
• Other machine elements

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

• Other safety and hygiene products
• Piping Materials
• Other machine elements

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

• Vice Clamps
• Other machine elements
• Piping Materials

It is a movable support that maintains a certain specified load, ideal for absorbing large displacements of 60mm or more. It also excels in corrosion resistance.

• Piping 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.

• Other machine elements
• Piping Materials

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

• Pipe Fittings

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

• Pipe Fittings

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

• Pipe Fittings

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

• Pipe Fittings

It absorbs axial displacement. It can also accommodate shear and bending in small amounts. Standard operating pressure ranges from 1 to 63 bar, and it can be manufactured with a standard inner diameter of 15 to 4000 mm.

• Pipe Fittings

We have a wealth of delivery experience for shower hoses used in households, as well as faucet hoses for kitchen sinks and washbasins.

• hose
• Piping 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.

• hose
• Piping Materials

We 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.

• hose
• Piping 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.

• valve
• Actuator

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.

• valve
• Other machine elements

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

• valve
• Other machine elements

"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 - Heat collector tubes, joints between heat 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)

• valve
• Sealing

"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 design 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.

• valve
• Other machine elements
• Other CAD related 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 systems. It maintains a seal to keep the piezoelectric element completely dry while enabling minute and rapid displacements through its flexibility. This product is also used in accumulators mounted in hybrid vehicle brake systems, allowing for high braking force even when the motor is stopped. 【Features】 ■ Custom designs available 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.

• valve
• Other machine elements
• Other Auto Parts

Metal bellows are also suitable for flexible "bellows couplings." This product allows for direct power transmission without play during operation, and it 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.

• valve
• Other machine elements
• Other Auto Parts

The "Bellows" is a product designed with compact design and various stainless materials (equivalent to SUS321, SUS316Ti, SUS316L, SUS304L) under the requirements of pressure resistance, airtightness, and high cycle axial displacement. High-grade materials such as Hastelloy, Inconel, and Incoloy are also available. By utilizing TÜV-certified welding machines, welding methods, qualifications for operators, and approvals from institutions around the world, we are able to 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.

• valve
• Other machine elements
• Other Auto Parts

The valve shaft bellows excels in airtightness as a shaft seal and can provide I4:I7 design proposals suitable for usage conditions under low temperature, high temperature, and high pressure.

• valve
• Sealing

The "formed bellows" are components that combine high pressure resistance and displacement absorption. We can accommodate not only single-layer but also multi-layer bellows with a wide range of nominal diameters and materials. Bellows can be supplied not only as standard connection parts but also welded to customer-designed components 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.

• valve
• Other machine elements
• Other Auto Parts

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.*

• hose
• Piping Materials
• Other Auto Parts