Emerson 95 Series Pressure Reducing Regulators Manual de Instruções descarregar pdf (Página 5)

Types 95LD and 95HD

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1. Check that proper installation is completed

and downstream equipment has been

properly adjusted.

2. Make sure all block and vent valves are closed.

3. Back out the adjusting screw by turning

the handwheel counterclockwise continuously.

4. Slowly open the valves in the following order:

a. Loading supply and control line valve(s), if used

b. Inlet block valve

c. Outlet block valve

5. Set the regulator to the desired outlet (control)

pressure according to the Adjustment procedure.

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Key numbers are referenced in Figures 4 and 5.

The factory setting of the regulator can be varied

within the pressure range stamped on the nameplate.

To change the outlet pressure, turn the handwheel

(key 38) clockwise to increase outlet pressure, or

counterclockwise to decrease it. Monitor the outlet

pressure with a test gauge during the adjustment.

All regulator springs can be backed off to provide

zero outlet. Recommended outlet pressure ranges

available, maximum inlet pressures and temperatures,

and color codes of the respective springs are shown in

Tables 1 and 2.

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1. Isolate the regulator from the system.

2. Close the upstream block valve to the regulator inlet.

3. Close the downstream block valve to the

regulator outlet.

4. Vent the downstream pressure by slowly opening

the vent valve to vent downstream pressure.

5. Vent loading pressure slowly to release pressure

in the spring case.

6. Vent inlet pressure slowly (through the vent valve)

to release all remaining pressure in the regulator.

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Figure 3. Installation Schematic

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Emerson 95 Series Pressure Reducing Regulators Manual de Instruções Página 5

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