PSV/PRV Test Setup: Quick Overview

PSV/PRV Test Setup: Quick Overview

Overview of the PSV/PRV Test Modes settings screen in FieldLab Desktop.


This features requires FieldLab Desktop 1.24.0 or later. Download the latest version for free.


  1. Test Mode Name: Name your test mode. The name you select will help you identify this test on all devices once it is saved.
  2. Crack & Reseat Detection: You can select "Auto Detection of Crack and Reseat" to allow your FieldLab Device to automatically detect when the valve cracks and reseats, ideal for scenarios where the events happen so quickly that the human eye cannot detect them; OR "Manual Marking of Crack and Reseat", ideal for situations when the valve crack and reseat events are slower and can be detected by the technician on-site.
  3. Number of crack tests: Define the number of crack tests that need to be performed on the pressure valve.
  4. Acceptable crack range: Define the crack range using simple, conditional, or simply apply the standards as specified in ASME BPVC VIII.1 UG-134(d)(1) or ASME BPVC VIII.1 UG-125(d)(3) preset modes.
  5. Default Units: The engineering units you wish to use for this test.
  6. Include Seal Tightness Test: Check this option to include a seat tightness test once the crack tests are completed.
  7. Data Fields: Check to include any data fields relevant to the test mode. Here is how to create a custom data fields that can be included with any test mode.

    • Related Articles

    • Create a custom Pressure Safety Valve / Pressure Relief Valve Test for a FieldLab

      Learn how to create a new PSV/PRV Test in FieldLab Desktop. Add your test to a FieldLab Pressure Calibrator to perform tests on pressure safety and pressure relief valves. This features requires FieldLab Desktop version 1.24.0 or later. Download the ...
    • Run a pressure relief valve test, manually log crack and reseat

      Designed for testing valves that require a technician's expertise to determine the exact pressure at which the valve cracks.  Ideal for scenarios where the crack is determined when the first steady stream, or first continuous flow, of liquid media ...
    • Calibration Test Screen Overview

      Introduction to the Calibration Test screen in FieldLab Desktop. Create and edit the custom Calibration Test you need. Test Mode Name - Name your Test Mode. PSI - Engineering Units Menu - Select the engineering units you want to measure pressure in. ...
    • Calibrate the pressure sensor on a Field Gauge, Process Meter, and FieldLab with FieldLab Desktop.

      At the end of this process, FieldLab Desktop will compare the readings from your Reference device and Ralston Gauge (Zero, Mid Point, and Full Span). If it is out of spec; FieldLab Desktop will automatically make any necessary adjustments to bring ...
    • Add Custom Data Fields to a Test

      Note: You may need to perform free updates to your FieldLab and FieldLab Desktop in order to use this feature. Available for FieldLab Desktop versions 1.10.0 and newer, and FieldLab Pressure Calibrator firmware v1.117 and newer.   Instructions for ...