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Liquid viscous damper in engineering structures
Liquid viscous damper in engineering structures
Supplier Info
[China Supplier]
Contact Person : Mr. zhang min
Tel : 86-519-83188576
Fax : 86-519-83138323
Product Detail
Our company independently developed and produced a series of liquid viscous dampers by appraisal of third-party authority.

JZN series liquid viscous dampers are passive velocity-dependent ones devised and manufactured based on the principle that interaction between visous media and structural components of liquid viscous dampers are applied to generate damping force.Medium used is silicone oil,Such medium has the following features:small viscosity-temperature coefficient,stable performance at over low and high temperatures(-50°C~+250°C),greater radiance resistant performance.Meanwhile,the medium has excellent excellent electric insulating property and great ozone resistant,corona resistant,water-repellent and moisture resistant performance.

Features of viscous damper

1,  Simple appearance,symmetrical and compact structure,easy installation and small installation space;

2,  Small resistance at a low speed of motion,less than 10% of nominal load;

3,  High energy consuming efficiency up to over 90%;

4,  The lugs with ball bushing are installed on both ends of damper,favorable for installing under construction and swing as operating(±6°operating pendular angle allowable);

5,  Hydraulic fluid uses stable,burning and aging resistant silicone oil;sealing element uses rubber materials having great compatibility with the fluid.

Principle formula:

F=C×Va,

F:Damping force(kN)

C:Damping coefficient(kN/(mm/s))

V:Velocity of piston(mm/s)

a:velocity exponent,designed and selected according to the engineering requirements,value is generally taken between 0.2~1.when a=1,it is linear damping.

Liquid viscous damper in engineering structures

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