Setra-system Model 231 Manual de usuario descargar pdf (Pagina 6)

3-Valve Manifold Description

Manifold Block Brass

Valves (3) V1 for connection to + port

V2 for connection to - port

V3 for equalizing pressure

Valve Type 90 degree On/Off

Process Connections 1/4-18NPT Internal Thread

Model 231

Differential

Pressure Transducer

Shunt Valve

Shut Off Valves

High Process

Connection

1/8-NPT

Low Process

Connection

1/8-NPT

3.0 OPTIONAL 3-VALVE MANIFOLD PROCEDURE

The 3-Valve Manifold Assembly is normally shipped with valves V1 and V2 closed

and V3 open.

To Place the 231 into service:

1. Confirm valves V1 and V2 are closed and valve V3 is open.

2. Mount the manifold and install process connections.

3. Slowly open V2, then V1.

4. Close the V3 valve.

To Take the 231 out of Service

1. Open V3 to equalize the pressure at the Model 231.

2. Close the V1 and V2 valves.

Figure 2

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Setra-system Model 231 Manual de usuario Pagina 6