Emerson 3051S Spécifications télécharger pdf (Page 30)

Reference Manual

00809-0200-4801, Rev CA

July 2010

Rosemount 3051S Series

2-16

Figure 2-8. Integral Manifold

Designs

Rosemount 305 Integral

Manifold Installation

Procedure

To install a 305 Integral Manifold to a 3051S transmitter:

1. Inspect the PTFE SuperModule O-rings. If the O-rings are undamaged,

reusing them is recommended. If the O-rings are damaged (if they have

nicks or cuts, for example), replace them with new O-rings.

IMPORTANT

If replacing the O-rings, be careful not to scratch or deface the O-ring grooves

or the surface of the isolating diaphragm when removing the damaged

O-rings.

2. Install the Integral Manifold on the SuperModule. Use the four manifold

bolts for alignment. Finger tighten the bolts, then tighten the bolts

incrementally in a cross pattern to final torque value. See “Flange Bolts”

on page 2-5 for complete bolt installation information and torque values.

When fully tightened, the bolts should extend through the top of the

module housing.

3. If the PTFE SuperModule O-rings have been replaced, the flange bolts

should be re-tightened after installation to compensate for cold flow of

the O-rings.

4. If applicable, install flange adapters on the process end of the manifold

using the 1.75-in. flange bolts supplied with the transmitter.

NOTE

Always perform a zero trim on the transmitter/manifold assembly after

installation to eliminate mounting effects. See Section 4 Operation and

Maintenance, “Sensor Calibration, Zero Trim Method” on page 4-4.

Rosemount 306 In-Line

Manifold Installation

Procedure

The 306 Manifold is for use only with a 3051S In-line transmitter.

Assemble the 306 Manifold to the 3051S In-line transmitter with a

thread sealant.

1. Place transmitter into holding fixture.

2. Apply appropriate thread paste or tape to threaded instrument end of the

manifold.

3. Count total threads on the manifold before starting assembly.

4. Start turning the manifold by hand into the process connection on the

transmitter.

COPLANAR

IN-LINE TRADITIONAL

CONVENTIONAL

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