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Construction Material

  • EU certified Safety shut-off valves Large adjusting range DN 25, DN 40
  • EU certified Safety shut-off valves Large adjusting range DN 25, DN 40
EU certified Safety shut-off valves Large adjusting range DN 25, DN 40EU certified Safety shut-off valves Large adjusting range DN 25, DN 40

EU certified Safety shut-off valves Large adjusting range DN 25, DN 40

DESCRIPTION

This is a set of pressure regulators that have been certified by the EC,they have been type tested as well.These pressure regulators have safety valves which will slam shut in the event of emergencies,such as the gas reaching too high a pressure level.The valve works to protect any fittings downstream of it from being subjected to high gas pressure.Therefore,no gas purge line is needed alongside these devices.The pressure regulators have DN of 25 to 100.They are constructed with either a flange or thread connection.They measure a maximum of 4 bars pe and have a pso of between 18 to 550 mbar.


CHARACTERISTICS


Fluid : for gas


Other characteristics : threaded, flange, shut-off 

Controlled pressure : Max.: 550 mbar(8 psi)    Min.: 18 mbar(0.3 psi)

DN : Max.: 100 mm(3.94 in)    Min.: 25mm(0.98 in)



The upper trip pressure is set using the outer setpoint spring in the measuring unit. The lower trip pressure is set using the inner spring in the measuring unit. The measures the pressure downstream of the gas pressure regulator via an external impulse line. The closes once the set trip pressure has been reached. The valve disc is pressed onto the valve seat and

thus shuts off the gas supply safely. he position of the valve disc can be seen through the transparent reset cap. To do so, the pressure in the impulse line must be between the upper and lower trip pressure. First, unscrew and remove the breather screw plug. Then loosen the reset cap. By pulling the reset cap slightly, the pressure is equalized via an internal hole in the valve disc. Once pressure equalization is complete, the reset cap can be lifted easily and the valve disc is engaged in the open position. A relief line is not required on the measuring unit because a maximum of 30 l/h can escape via the hole in the breather screw plug.





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