Emerson T205B Manual de instrucciones descargar pdf (Pagina 4)

Type T205B

Figure 3. Type T205B Actuator Casing Drainage

Installation

WARNING

Personal injury, property damage,

equipment damage or leakage due to

escaping gas or bursting of pressure-

containing parts may result if this regulator

is overpressured or installed where

service conditions could exceed the limits

given in the Specications section or

where conditions exceed any ratings of

the adjacent piping or piping connections.

Refer to Overpressure Protection section

for recommendations on how to prevent

service conditions from exceeding

those limits.

To avoid such injury or damage,

provide pressure-relieving or pressure-

limiting devices (as required by

the appropriate code, regulation or

standard) to prevent service conditions

from exceeding limits.

Additionally, physical damage to the

regulator could cause personal injury or

property damage due to escaping gas.

To avoid such injury or damage, install

the regulator in a safe location.

Note

If the regulator is shipped mounted on

another unit, install that unit according

to the appropriate instruction manual.

1. Only personnel qualied through training and

experience shall install, operate and maintain

a regulator. For a regulator that is shipped

separately, make sure there is no damage to or

debris in the regulator. Also ensure that all tubing

and piping are clean and unobstructed.

2. The regulator may be installed in any position

as long as the ow through the body is in the

direction indicated by the arrow on the body.

For proper operation to achieve the published

capacities at low setpoint, the spring case barrel

should be installed pointing downward as shown

in Figure 1. For complete actuator drainage, the

regulator should be installed as shown in Figure 3.

If continuous operation of the system is required

during inspection or maintenance, install a

three-valve bypass around the regulator.

HORIZONTAL PIPELINE

VENT POINTED DOWN

DOWNSTREAM CONTROL LINE

INLET PRESSURE

OUTLET PRESSURE

ATMOSPHERIC PRESSURE

LOADING PRESSURE

1 2 3 4 5 6 7 8 9 10 11 12

Type T205B 1

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