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  Press and safety technology   Hydraulic power packs and units   Systems   Hydraulic components   Applications
Applications
 
 
 
 
 
 
Emergency Stop function to stop machinery safely in the event of malfunction
 
 
Requirement:

An "Emergency Stop" function is needed to prevent pressure still being applied to safety-relevant components in the event of a malfunction.
If a cylinder, for instance, must stop its movement when a malfunction occurs in order to protect the mechanical parts in a machine, the pressure in the pneumatic supply must drop so that the movement is stopped safely.



Herion solution:

Pneumatic press safety valves from the XSz series with integrated rotary union.



Customer benefits:

  • Easy to install: no additional hose connections required because mounted directly on shaft

  • Improved safety (hoses cannot get tangled and so do not hinder rapid exhaust of chambers)

  • Low air consumption means lower costs

  • Shorter switching times

  • Dynamic self-monitoring of safety valves (fail safe)

  • Low maintenance costs

  • Long service life

 
 
 
 
Emergency Stop function on amusement rides
 
 
Requirement:

Amusement and theme park operators make the safety of visitors and users a top priority. The pulling up of chain driven rides such as roller coaster carriages is particularly hazardous. In the event the carriage encounters a broken chain due to a sudden stop or technical fault, the safety system must prevent the carriages or trains from rolling back down and colliding.


HERION solution:

Safety valves from the XSz series for controlling the mechanical anti-rollback device. The normally closed device guarantees the safe stop of the carriages, even in the event of a power failure.


Customer benefits:

  • Rapid pressure build-up and exhaust

  • Dynamic self-monitoring of safety valves

  • Ultimate security without any additional electrical device

  • Low maintenance

  • Long service life


 
 
 
 
Emergency Stop function on cable cars
 
 
Requirement:

When a stop becomes necessary in critical situations, an "Emergency Stop" function is needed to prevent pressure still being applied to the system concerned. If a cylinder, for instance, must stop its movement in the event of a malfunction, the pressure in the pneumatic supply must drop so that the cable car is stopped safely by means of the pneumatic (hydraulic) braking system or the emergency brake.


HERION solution:

Pneumatic or hydraulic safety valves from the XSz series, nominal diameter 10 or 20, with integrated silencer.


Customer benefits:

  • Rapid pressure build-up and release

  • Emergency function by spring force, hydraulically controlled pressure build-up

  • Dynamic self-monitoring of safety valves (fail safe)

  • Meets the highest safety standards

  • Low maintenance

  • Long service life

 
 
 
 
Safe open and close of a safety brake
 
 
Requirement:

Brakes are counted among the most commonly used safety elements. On pipe tensioning systems for the lay and welding of pipes offshore, pneumatically actuated brakes (normally closed) guarantee the safe centering and rest of the pipes in welding position. The brake closes by spring force and opens when pressurized. The system needs to be safe from unexpected opening of the brake during the welding process.


HERION solution:

12 bar safety valves for use on safety elements such as brakes. 3/2 way double valves were especially adapted to fit the customer's requirements regarding the pressure range.


Customer benefits:
  • Pressure up to 12 bar

  • Increased pressure range allowing a more compact design

  • Closes by spring force, opens when pressurized

  • 3/2 way valve, without residual pressure, dynamic self-monitoring

  • Long service life

  • Saves space

  • HERION's proven expertise in safety applications and the Norgren product range make "the perfect fit"


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