RCm Flo-Gage 7000 Series Скачать руководство пользователя страница 1

INSTALLATION, OPERATION AND MAINTENANCE

Threaded and Wafer Style Flowmeters

Wafer Style Flowmeter

Figure 1

SP.GR.=1.0

GPM

150

200

250 300

350

100

400

Table of Contents

Page

1.

1.

1.

1.

1.

Principle of Operation

Principle of Operation

Principle of Operation

Principle of Operation

Principle of Operation ......................................

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...................................... 2

2

2

2

2

2.

2.

2.

2.

2.

Installation Planning

Installation Planning

Installation Planning

Installation Planning

Installation Planning ........................................

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........................................

........................................

........................................ 2

2

2

2

2

3.

3.

3.

3.

3.

Installation

Installation

Installation

Installation

Installation ........................................................

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........................................................

........................................................

........................................................ 3

3

3

3

3

3.1 Safety Considerations ........................................

3

3.2 Changing the Dial Orientation ............................

3

3.3 Changing from Horizontal to Vertical ..................

3

3.4 Threaded bodies ................................................

3

3.5 Wafer style bodies ..............................................

3

4.

4.

4.

4.

4.

Operation and Maintenance

Operation and Maintenance

Operation and Maintenance

Operation and Maintenance

Operation and Maintenance ............................

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............................ 4

4

4

4

4

4.1 Preventive Maintenance .....................................

4

4.2 Checking Zero ....................................................

4

4.3 Checking the Pointer Preload .............................

4

4.4 Coarse Zero Adjustment ....................................

4

4.5 Fine Zero Adjustment .........................................

5

4.6 Flow Calibration ..................................................

5

4.7 Cleaning of Pressure Ports .................................

6

4.8 Adjustment of Reed Switches .............................. 6

5.

5.

5.

5.

5.

T

T

T

T

Troubleshooting

roubleshooting

roubleshooting

roubleshooting

roubleshooting ...............................................

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............................................... 6

6

6

6

6

5.1 Pointer Fluctuations ............................................

6

5.2 Zero Shift ............................................................

7

5.3 Sluggish Meter Response ..................................

7

6.

6.

6.

6.

6.

Correction F

Correction F

Correction F

Correction F

Correction Factors

actors

actors

actors

actors ...........................................

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...........................................

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........................................... 7

7

7

7

7

6.1 Liquid Service .....................................................

7

6.2 Compressed Gas Service ..................................

7

7.

7.

7.

7.

7.

Cutaway view

Cutaway view

Cutaway view

Cutaway view

Cutaway view ....................................................

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.................................................... 8

8

8

8

8

Figures

Figure 1

Wafer style flowmeter .......................... 1

Figure 2

Installation conditions .......................... 2

Figure 3

O-ring installation ................................ 3

Figure  4

Zero reference point ............................ 4

Figure 5

Pointer preload .................................... 4

Figure 6

Cam nut and stop nut .......................... 5

Figure 7

Cam follower adjustment ..................... 6

Figure  8

Reed switch adjustment ...................... 6

Figure 9

Cutaway view ...................................... 8

Содержание Flo-Gage 7000 Series

Страница 1: ... Operation and Maintenance 4 4 4 4 4 4 1 Preventive Maintenance 4 4 2 Checking Zero 4 4 3 Checking the Pointer Preload 4 4 4 Coarse Zero Adjustment 4 4 5 Fine Zero Adjustment 5 4 6 Flow Calibration 5 4 7 Cleaning of Pressure Ports 6 4 8 Adjustment of Reed Switches 6 5 5 5 5 5 T T T T Troubleshooting roubleshooting roubleshooting roubleshooting roubleshooting 6 6 6 6 6 5 1 Pointer Fluctuations 6 5 ...

Страница 2: ... should be transitioned to pipe at least 10 diameters up stream of the meter to achieve rated accuracy Avoid placing the meter where it will be subjected to water hammer and mount the meter rigidly to minimize shock or vibration Meters installed outdoors or exposed to splashing liquids should be ordered with a gasketed case Protect from freezing liquids 1 Principle of Operation Installation Planni...

Страница 3: ... housing Do not remove the two screws holding the housing to the cell block assembly Position the housing at any 90 degree position Replace the four screws taking care not to pinch the o ring seals O Ring Installation Figure 3 3 3 Changing from Horizontal to Vertical or Vertical to Horizontal Remove the lens by rotating counter clock wise by hand Do not remove the pointer Move the dial forward by ...

Страница 4: ...hen follow FINE ADJUST MENT procedure to rezero pointer If the pointer is positioned more than 1 2 12 mm from the stop pin then follow the COARSE ADJUSTMENT procedure Zero Reference Point Pointer preload Figure 4 Figure 5 4 3 Checking the Pointer Preload If the fine adjustment has been performed repeatedly the pointer return spring preload should be checked Manually rotate the pointer CCW toward f...

Страница 5: ... not use this procedure Do all ajustments with the coarse zero adjustement Adjustment of the fine zero using this method will require recalibration of reed switches or transmitter Grip the pointer close to the hub on both sides of the hub and rotate the hub with respect to the pointer The pointer should aim directly at the zero reference point printed on the dial as shown in figure 4 Gently tap th...

Страница 6: ...ood screw into the hole in the pulsation snubbers and gently pull them out Clean passages in body and snubbers and reassemble If you are unable to clean without further disassembly the meter should be returned to the factory for service Reassemble the meter housing to the body in the desired viewing position Take care to properly seat the inner and outer o rings before tightening screws 4 8 Adjust...

Страница 7: ... Meter Response Sluggish meter response can be caused by inadequate pointer return spring preload or by clogging of the pressure passages with debris To check spring preload see CHECKING THE POINTER PRELOAD To clean the pressure passages see CLEANING OF PRES SURE PORTS 6 1 Liquid Service If the specific gravity of the fluid being metered differs from the value marked on the meter dial a correction...

Страница 8: ...M at an actual temperature of 70 F and pressure of 85 psig What is the actual flow rate K æ è ç ö ø æ è ç ö ø 85 14 7 80 14 7 100 460 70 460 Therefore actual flow rate 1 05 x 100 105 SCFM 6 Correction Factors Continued INDICATOR ASSEMBLY GEAR MOVEMENT HOUSING PULSATION SNUBBERS METER BODY FLOW 6 2 Compressed Gas Service If the gas pressure or temperature varies from the values marked on the meter ...

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