Home - Products - Anti-seismic Devices - Fluid Viscous Damper

Fluid Viscous Damper

Product Introduction:Fluid viscous dampers are primarily composed of cylinder, piston, piston rod, fluid medium and connectors. The cylinder is filled with the medium fluid and the piston divides the cylinder and the fluid into two sections. As the piston moves within the cylinder, the fluid flows from one section into the other, generating heat in the process.

Product features:Fluid viscous dampers are highly effective at dissipating seismic energy, and do not alter the stiffness of the structure. They can also be used to dampen vibrations caused by other factors, including wind, heat and traffic.

Fluid Viscous Damper

Fluid viscous dampers are primarily composed of cylinder, piston, piston rod, fluid medium and connectors. The cylinder is filled with the medium fluid and the piston divides the cylinder and the fluid into two sections. As the piston moves within the cylinder, the fluid flows from one section into the other, generating heat in the process.

Fluid viscous dampers are highly effective at dissipating seismic energy, and do not alter the stiffness of the structure. They can also be used to dampen vibrations caused by other factors, including wind, heat and traffic.

This product is in compliance with the following standards:

· “Dampers for vibration energy dissipation of buildings” JG/T 209-2012

· “Fluid viscous damper and lock-up device for railway bridges” TB/T 3561-2020


VFD viscous damper outline parameters

Number

Rated load

Pin
d(mm)

Outer diamete
D(mm)

Stroke 
S(mm)

Pin-pin distance
L(mm)

Damping coefficient 
(KN.(s/mm)a)

Design speed (mm/s)

1

30

20

60

100-800

Customized design 
according to customer
 installation requirements.

1-1000

100-1000

2

60

25

86

3

100

35

102

4

160

40

127

5

250

50

152

6

400

60

194

7

650

80

245

8

1000

100

325

9

1800

140

402

10

2400

160

450

11

3000

180

500

12

3500

200

554

13

4000

220

610