The PreVenTest System enables you to test your spring operated safety valves on site without interrupting the process operation. With this so called ‘hot testing’ the safety valve stays on-line and no dismantling of the valve or plant shut-down is required.

The main advantages are:

  • NO PLANT SHUT-DOWN

  • NO DISMANTLING OF THE VALVE

  • NO LOSS OF PRODUCTIVITY & PROFITABILITY

 

During the test, a combination of accurate, calibrated sensors measure the force, lift, acoustics and (if possible) the process pressure.

The easy operated Ventil PreVenTest program directly shows the "found test data" in a clear combination of graphics and values.

The information enables the operator to accurately identify the settings of the tested safety valve.

After the valve disc has re-seated, the PreVenTest System automatically stops the test and prompts the test results in clear figures and graphics

S/W enables the operator to execute a series of 3 tests to ensure the consequent and reliable performance of the valve and accuracy of the test results. Finally the results of each individual test and an average of the 3 are shown.

From the information recorded during testing the following information can be obtained:

  • Valve set pressure,
  • Spring adjustment,
  • Displacement of the valve,
  • Re-seat pressure,
  • The effect of the nozzle ring,
  • The effect of the guide ring.

 

 

 

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