Emerson EZR Series Pressure Reducing Regulator Bedienerhandbuch PDF herunterladen (Seite 13)

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Type EZR

B24B

Figure 13. Type EZR Maintenance Schematic

SYMPTOMS CAUSE ACTIONS

If outlet pressure is increases Internal leak

Control the regulator valve plug

Control the regulator seat

Control the pilot

or contact after-sales

If inlet pressure decreases External leak

Locate and repair leak

or contact after-sales

If inlet pressure is stable The regulator is tightshut

Increase the set point until tripping occurs

(without exceeding the outlet limits)

If the slam shut valve plug will not close Operation faulty

Control the release relay

Control the slam shut valve plug

or contact after-sales

If the slam shut valve plug closes Operation correct

Observe the evolution of the outlet pressure (control tightness)

If the outlet pressure is stable The valve plug is tightshut Purge the outlet side of the regulator

Observe the evolution of the outlet pressure (control tightness)

If the outlet pressure increases Internal leak

Control the slam shut valve plug

Control the slam shut seat

Control the bypass

or contact after-sales

If the outlet pressure is stable Valve plug is tightshut

Table 13. Troubleshooting for Type EZR Regulator

B24A

1 2 ... 8 9 10 11 12 13 14 15 16 17 18

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Emerson EZR Series Pressure Reducing Regulator Bedienerhandbuch Seite 13