Emerson Rosemount 9175 Bedienungsanleitung

Quick Start Guide

00825-0100-4175, Rev AB

September 2022

Rosemount™ 9175 Natural Gas Flow

Meter

NOTICE

This guide provides basic guidelines for the Rosemount 9175 Flow Meter. For comprehensive

instructions on configuration, diagnostics, maintenance, service or troubleshooting, refer to

Rosemount 1495, 214C, Single Chamber Orifice Fitting, and appropriate transmitter reference

manuals. The manuals and this guide are also available electronically on Emerson.com/Rosemount.

If the Rosemount 9175 Meter Tube was ordered assembled to a Rosemount Pressure Transmitter,

Manifold or RTD, refer to the following Quick Start Guides for information on configuration and

hazardous locations certifications:

•Rosemount 4088A Quick Start Guide

•Rosemount 4088B Quick Start Guide

•Rosemount 3051SMV Quick Start Guide

•Rosemount 214C Quick Start Guide

Hazardous Area Approvals: This assembly is assembled from certified pieces of equipment. The overall

assembly is subject to inspection by the authority having jurisdiction over the installation.

If the meter was ordered with a wireless transmitter, the battery will be shipped separately due to

freight carrier regulations.

WARNING

Process leaks may cause harm or result in death.

To avoid process leaks, only use gaskets and O-rings designed for the corresponding flange to seal

process connections.

Transmitter electronics maintenance should not be conducted on energized equipment in a

hazardous atmosphere.

Failure to comply with the requirements for intrinsic safety in a hazardous atmosphere could result in

an explosion.

If the process fluid is hazardous, the procedure outlined here should be modified as required.

Failure to do so could result in serious injury to personnel or death.

If the line is pressurized, always open valves slowly.

Failure to do so could result in serious injury to personnel or death.

During installation never lift the meter by the transmitter, RTD, or impulse lines/valves.

Doing so may result in meter damange and serious injury.

Physical access

Unauthorized personnel may potentially cause significant damage to and/or misconfiguration of end

users’ equipment. This could be intentional or unintentional and needs to be protected against.

Physical security is an important part of any security program and fundamental to protecting your

system. Restrict physical access by unauthorized personnel to protect end users’ assets. This is true for

all systems used within the facility.

Quick Start Guide September 2022

2 Emerson.com/Rosemount

Contents

Before you begin.......................................................................................................................... 5

Locate the installation point......................................................................................................... 6

Orient and install the flow meter.................................................................................................. 7

Trim the transmitter.....................................................................................................................9

September 2022 Quick Start Guide

Quick Start Guide 3

Quick Start Guide September 2022

4 Emerson.com/Rosemount

1 Before you begin

Before you begin the installation, consider the temperature limits of the

meter, which are: -20 F (-28.9C) to 160F (71.1C).

Figure 1-1: Exploded View

A. Transmitter

B. RTD assembly

C. Meter tube

D. RTD cable

E. Manifold

F. Stabilized connectors

G. Flow conditioner

The three steps to install and zero the Rosemount 9175 Natural Gas Flow

Meter are described in this guide:

Locate the installation point

Orient and install the flow meter

Trim the transmitter

September 2022 Quick Start Guide

Quick Start Guide 5

2 Locate the installation point

Locate the meter installation point. If possible, install the meter at ground

level to allow meter access. No straight run is required for disturbances in

Table 1. In all cases, if additional straight run is available, a best practice is to

position the Rosemount 9175 where 80 percent of the run is upstream of

the meter and 20 percent is downstream. The access point to remove the

orifice plate should face away from any potential interference (i.e. wall or

piping).

Table 2-1: Straight Pipe Requirements (Distance in Number of Pipe

Diameters)

Type of flow distrubance

upstream of flow

meter(1)

Diameters of straight

pipe run needed(2)

Upstream (inlet) side of

primary

Single 90° bends in the

same plane

Two or more 90° bends in

the same plane

Two or more 90° bends in

different planes

Up to 10° of swirl 0

Reducer (One line size) 0

Downstream (outlet) side of primary (all disturbances) 0

(1) Consult an Emerson representative if a disturbance is not listed.

(2) Straight pipe lengths are measured from the upstream and downstream flanges

of the Rosemount 9175. A zero diameter requirement implies that the meter can

be installed directly adjacent to a disturbance.

Quick Start Guide September 2022

6 Emerson.com/Rosemount

3 Orient and install the flow meter

The flow meter is installed with the electronics above the pipe, within 45

degrees from vertical. It can be specified in a left hand or right hand

configuration.

The flow meter must be oriented with the flow arrow pointing in the

direction of flow. Otherwise, the meter will produce erroneous readings. See

Figure 3-1. The orifice plate should be installed in an orientation consistent

with the flow arrow on the meter body. The bevel should be oriented

downstream.

Figure 3-1: Flow Direction

1. Lift the meter by using straps on the body of the meter. Follow local

guidelines on lifting safety. Do not lift the meter by the stabilized

connectors or the transmitter body. Ensure meter is secured

correctly within straps. If not secured correctly, the meter may rotate

during lifting operations.

2. Install the flanged ends into the process pipe as shown in Figure 3-2.

September 2022 Quick Start Guide

Quick Start Guide 7

Figure 3-2: Installed Meter

3. Use the appropriate studs, nuts, gaskets and torque spec for the

given flange size, rating and process conditions. Tighten the nuts

following a star pattern. See Figure 3-3.

Figure 3-3: Flange Bolting

8 bolt holes 4 bolt holes

Once the flow meter is installed in the line, wire the transmitter

electronics into the control system.

WARNING

Perform this task in an environment free of hazardous or combustible

gases.

Failure to comply with the requirements for intrinsic safety in a hazardous

atmosphere could result in an explosion.

For orifice plate removal and installation, please refer to the single chamber

orifice fitting manual. Gaskets and O-rings should be replaced when the

Rosemount 9175 is disassembled.

Quick Start Guide September 2022

8 Emerson.com/Rosemount

4 Trim the transmitter

Before the unit is put in service, a transmitter zero trim should be performed

at normal line pressure.

In normal operation, the two isolate (block) valves between the process

ports and the transmitter will be open, and the equalize valves will be closed.

Vent valves may be open or closed.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (closed)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (open)

I. (Plugged)

Procedure

1. To zero trim the transmitter, first close the isolate valve on the low

pressure (downstream) side of the transmitter and the drain vent

valve.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (closed)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (closed)

I. (Plugged)

2. Open the equalize valve on the high pressure (upstream) side of the

transmitter.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (open)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (closed)

I. (Plugged)

3. Open the equalize valve on the low pressure (downstream) side of

the transmitter.

The manifold is now in the proper configuration for zeroing the

transmitter.

September 2022 Quick Start Guide

Quick Start Guide 9

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (open)

E. Equalize (open)

F. Drain vent (closed)

G. Process

H. Isolate (closed)

I. (Plugged)

4. Perform the zero trim. Refer to the transmitter Quick Start Guide for

more information.

5. After zeroing the transmitter, close the equalize valve on the low

pressure (downstream) side of the transmitter.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (open)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (closed)

I. (Plugged)

6. Close the equalize valve on the high pressure (upstream) side.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (closed)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (closed)

I. (Plugged)

7. Finally, to return the transmitter to service, open the low side isolate

valve and drain vent valve.

The drain vent valve can remain open or closed during operation.

A. (Plugged)

B. Isolate (open)

C. Process

D. Equalize (closed)

E. Equalize (closed)

F. Drain vent (closed)

G. Process

H. Isolate (open)

I. (Plugged)

The flow meter assembly is now ready for service.

Quick Start Guide September 2022

10 Emerson.com/Rosemount

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