GE PT878GC Manual de usuario descargar pdf (Pagina 56)

100

101

April 2004

3-24

Installing DMP-1 Dampening Material with PI Fixture

1. Be sure the PI clamping fixture is installed onto the pipe with

the transducers as described in the section Installing the PI

Fixture and Transducers on page 3-12.

2. Approximate the axial distance from one transducer face to

the other transducer face, as shown in Figure 3-27 below.

Figure 3-27: Distance Between Transducer Faces

3. Lay the first strip of dampening material flat. Cut a strip to a

width equal to the distance between transducer faces (the

distance illustrated in Figure 3-27 above).

4. Wrap this strip around the pipe in the space between the

transducers.

5. Lay the second strip of dampening material flat. Then cut the

strip into two pieces, each 4.5-in. (12 cm) wide.

6. Wrap each of these strips around the pipe on the outside edge

of the clamping fixture, one upstream and one downstream.

The completed installation should appear similar to Figure

3-28 on the next page.

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GE PT878GC Manual de usuario Pagina 56

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