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Pressure test kit
The “Rate-of-Drop Test Kit” is used to calibrate and simulate various pipeline operating scenarios in order to test automation control strategies. Supplied in a portable self-contained enclosure, the R.O.D. test kit is easily connected to the control system in the field. Quick-disconnect ports, and precision gauges are included to measure the pipeline pressure and various pressures within the control module. The R.O.D. test kit is also used to calibrate the trip points for the “Line Break”, “Station Bypass”, and “Low Pressure ESD” control modules. Various emergency scenarios can then be simulated, under live conditions, to test control action without inadvertently causing a shutdown. Utilizing the R.O.D. test kit to calibrate and test control modules ensures the valve activates when, and only when desired.When calibrating and testing the “Line Break” module the R.O.D. test kit monitors the pressure levels in the pipeline, the pressure level in the reference tank, and the differential pressure across the timing orifice used to determine the rate-of-drop trip point. Utilizing the “Line Break” calibration charts, the setpoint of the differential switching valve can be tested against simulated rates of pressure drop to obtain an exact trip point. As a standard, the “Line Break” control module is provided with test ports and isolation valves for easy connection to the R.O.D. test kit.