How to maintain and clean the Rosemount 3051DP differential pressure transmitter

Create Date: 2024-8-30 12:03:23|Source: Rosemount/Rosemount

After a period of use, the Rosemount 3051DP differential pressure transmitter needs to be cleaned regularly to maintain the accuracy of the differential pressure transmitter and achieve the desired function. Generally, the differential pressure transmitter should be cleaned in the following order:

How to maintain and clean the Rosemount 3051DP differential pressure transmitter

1. Close the globe valve of the high-pressure side conduit and the differential pressure transmitter of the high-pressure side globe valve of the three-valve group.

2. Admit that the pressure equalizing valve is closed.

3. Close the globe valve of the low-pressure side impulse pipe and the low-pressure side globe valve of the three-valve group.

4. Gradually open the exhaust hole plug and clean the pressure.

5. Open the high-pressure side globe valve of the three-valve group and the globe valve of the high-pressure side impulse pipe.

6. Open the pressure equalizing valve and purge the pipeline by relying on the exhaust hole plug on the high-pressure side.

7. Close the pressure equalizing valve, the high-pressure side stop valve of the three-valve group and the stop valve of the high-pressure side impulse pipe.

8. Open the low-pressure side globe valve of the three-valve group and the low-pressure side globe valve to the pressure pipe.

9. Open the pressure equalizing valve and purge the pipeline by relying on the low-pressure side exhaust hole plug.

10. Close all valves, and then put the differential pressure transmitter into operation according to the normal process.

If the inside of the differential pressure transmitter needs to be cleaned, the following steps are performed:

1. Remove the hexagonal bolt used to clamp the pressure transmitter chamber cover, and disassemble the pressure transmitter chamber cover.

2. Wash the diaphragm and chamber cover with a soft brush and solvent. Care should be taken not to deform or expose the transmitter diaphragm to any hazards.

3. When reinstalling the transmitter chamber cover, the gasket can be replaced with a new one according to the demand.

4. The bolts used to clamp the chamber cover should be assembled according to the regular tightening torque

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