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Pipeline hydraulic damper

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Figure 1 Hydraulic damper product picture



图2 三维剖视图



Figure 3 Typical hanging point diagram
 
2) Overview of pipeline hydraulic dampers
 
The hydraulic damper is an anti-vibration control device for controlling the impact of fluid vibration (water hammer, air hammer, etc.) and seismic disturbances. When the pipe expands at low speed, the damper generates little resistance to the pipe; when the pipe is hand-impacted, the damper will generate a large resistance to prevent the pipe from moving, limit its displacement, absorb vibration, limit the amplitude, and protect the pipe. purpose.
Our hydraulic dampers can be widely used in thermal power plants, nuclear power plants and pipelines of steel and petrochemical industries, important equipment and anti-vibration of main load-bearing beams. By installing a hydraulic damper, the pipe or equipment can be protected from accidental dynamic (accident) conditions. Our company's conventional hydraulic dampers include ZN11 basic anti-vibration damper, ZN12 basic anti-safety valve exhaust anti-force damper, ZN21 extended anti-vibration damper, ZN22 extended anti-safety valve exhaust anti-force Dampers; nuclear-grade hydraulic dampers mainly include DA1a (b, c), DA2a (b, c), DA3a (b, c), DA4a (b, c), DA5a (b, c), DA6a (b, c ), DA7a (b, c), basic hydraulic damper.
 
Hydraulic damper application:
 
Our hydraulic dampers can be widely used in thermal power plants, nuclear power plants, and steel, petrochemical industry pipelines, important equipment and main load beam seismic. By installing hydraulic dampers, pipes or equipment can be protected from accidental dynamic (accident) conditions. Common accidental (accident) conditions are as follows:
A. Occasional dynamic (accident) conditions inside the system:
Water hammer, steam hammer; safety valve exhaust; main valve quick closing; boiler explosion;
B. External accidental dynamic (accident) working conditions:
Earthquake; wind load; impact of foreign objects.
 
Hydraulic dampers can protect objects, common ones are:
 
Piping systems, main pumps, (important) valves, (important) pressure vessels, steam turbines, main load-bearing beams, etc.
 
3) Technical parameters
 
Technical parameters and selection reference of hydraulic damper (see hydraulic damper sample for details)

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