Emerson 3051S Specifikace stáhnout pdf (Strana 31)

Reference Manual

00809-0200-4801, Rev CA

July 2010

2-17

Rosemount 3051S Series

NOTE

If using thread tape, be sure the thread tape does not strip when the manifold

assembly is started.

5. Wrench tighten manifold into process connection. (Note: Minimum torque

value is 425 in-lbs)

6. Count how many threads are still showing. (Note: Minimum engagement

is 3 revolutions)

7. Subtract the number of threads showing (after tightening) from the total

threads to calculate the revolutions engaged. Further tighten until a

minimum of 3 rotations is achieved.

8. For block and bleed manifold, verify the bleed screw is installed and

tightened. For two-valve manifold, verify the vent plug is installed and

tightened.

9. Leak-check assembly to maximum pressure range of transmitter.

Rosemount 304

Conventional Manifold

Installation Procedure

To install a 304 Conventional Manifold to a 3051S transmitter:

1. Align the Conventional Manifold with the transmitter flange. Use the four

manifold bolts for alignment.

2. 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 plane of

flange web (i.e. bolt hole) but must not contact module housing.

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

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

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Emerson 3051S Specifikace Strana 31