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  4. VISCO® Damper Wall-type viscous damper (GVWD) (Gelb Japan Co., Ltd.)
VISCO® Damper Wall-type viscous damper (GVWD)-Wall type viscous damper (GVWD)
VISCO® Damper Wall-type viscous damper (GVWD)-Gelb Japan Co., Ltd.

VISCO® Damper Wall-type viscous damper (GVWD)
Gelb Japan Co., Ltd.

About This Product

■Protection of buildings and structures against earthquake and wind vibrations.

The GERB wall viscous damper (GVWD) is a specially designed product of the consumer Visco® dampers. These are attached to buildings and structures to connect multiple floors. These reduce interstory drift rates excited by wind or earthquakes. GVWD acts in one horizontal direction and promotes the overall damping of the structure. Reducing interstory drift reduces internal stresses and moments, improving comfort, safety, and reliability. The GVWD consists of a steel housing connected to the lower floor/structure, an internal piston connected to the upper floor, and a viscous liquid in between. During excitation by earthquakes or strong winds, the relative displacement between the superstructure and substructure causes the piston to move through the viscous liquid. The generation of damping forces results in the dissipation of kinetic energy. Depending on the required damping and/or to achieve an acceptable relative displacement between floors, different damper sizes with appropriate performance levels can be selected. It is also possible to use multiple dampers in parallel if necessary. GERB wall viscous dampers are developed and designed to meet the needs of architects and structural engineers. Dampers come in a variety of sizes and can be installed within regular wall structures, making them suitable for new construction, but can also be employed as a retrofit.

■Characteristics

- Well-known and proven technology for all types of structures around the world ・Highly reliable technology based on viscous shear force ・Maintenance/No friction points (no mechanical wear) ・Actions in the horizontal direction of the wall ・High damping force/increasing needs lead to increased damping force

■Applications

・High-rise, medium to large buildings ・Highly flexible building ・Buildings with high value of stored items ・Buildings that require continuous use ・Retrofit measures

■Installation

GVWD is available in a variety of standard sizes ranging from 1,500mm to 2,400mm. We can also produce custom sizes upon request. GVWD transportation and installation will vary depending on specific project specifications.

  • Product

    VISCO® Damper Wall-type viscous damper (GVWD)

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1 Models of VISCO® Damper Wall-type viscous damper (GVWD)

Image Part Number Price (excluding tax)
VISCO® Damper Wall-type viscous damper (GVWD)-Part Number-Wall type viscous damper (GVWD)

Wall type viscous damper (GVWD)

Available upon quote

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About Company Handling This Product

Gelb Japan Co., Ltd.

  • Japan

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