Emerson Rosemount 3051 Reference Manual page 63

Reference Manual
00809-0100-4007
2. Finger tighten the bolts; then tighten the bolts incrementally in a cross pattern to
3. Leak-check assembly to maximum pressure range of transmitter.
Manifold operation
WARNING
Process leaks
Process leaks could result in death or serious injury.
Make sure to properly install and operate manifolds.
Always perform a zero trim on the transmitter/manifold assembly after installation to
eliminate any shift due to mounting effects. See
Operate three and five-valve manifolds
Complete the following steps to perform a zero trim on three and five-valve manifolds.
In normal operation, the two block valves between the process and instrument ports are
open, and the equalizing valve is closed.
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (open)
F. Drain/vent valve
Procedure
1. To zero the Rosemount
Reference Manual
final torque value.
See Flange bolts for complete bolt installation information and torque valuesWhen
fully tightened, the bolts should extend through the top of the sensor module
housing.
™
(downstream) side first.
Sensor trim
3051, close the block valve to the low pressure
Hardware installation
August 2019
overview.
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