KRAL OMG Series User Manual

Table of contents
1 About this document ..................................................... 4
1.1 General information .......................................................4
1.2 Target groups ................................................................4
1.3 Symbols.........................................................................4
1.3.1 Danger levels ....................................................4
1.3.2 Danger signs.....................................................4
1.3.3 Symbols in this document .................................5
1.4 Associated documents ..................................................5
2 Safety .............................................................................. 5
2.1 Proper use .....................................................................5
2.2 Foreseeable misuse ......................................................5
2.3 Obligations of the operator-owner .................................6
2.4 Safety instructions .........................................................6
2.4.1 Fundamental safety instructions .......................6
3 Identification................................................................... 6
3.1 Type code......................................................................6
3.2 Rating plate ...................................................................8
4 Technical data ................................................................ 8
4.1 Operating limits..............................................................8
4.2 Pressure pulsation.........................................................8
4.3 Maximum values............................................................8
4.4 Substitute operating data.............................................10
4.5 Sound pressure level...................................................10
4.6 Dimensions and weights..............................................10
4.6.1 Pipe thread (BSPP thread) .............................10
4.6.2 DIN flange .......................................................11
4.7 Pressure bearing capacity ...........................................12
4.7.1 Pressure bearing capacity OMG-013..............12
4.7.2 Pressure bearing capacity OMG-020..............13
4.7.3 Pressure bearing capacity OMG-032..............14
4.7.4 Pressure bearing capacity OMG-052..............15
4.7.5 Pressure bearing capacity OMG-068..............16
4.7.6 Pressure bearing capacity OMG-100..............17
4.7.7 Pressure bearing capacity OMG-140..............18
5 Function description.................................................... 19
5.1 Structure ......................................................................19
5.2 Functional principle......................................................19
5.3 Rolling bearings...........................................................19
5.4 Signal generation.........................................................20
5.5 Linearization ................................................................20
5.6 Temperature compensation.........................................20
5.7 Recognition of flow direction........................................20
6 Transportation, storage............................................... 21
6.1 Dangers during transportation .....................................21
6.2 Dangers during storage ...............................................21
6.3 Unpacking and checking the state of delivery .............21
6.4 Transporting flowmeters ..............................................21
6.5 Storing the flowmeter...................................................22
7 Preservation ................................................................. 22
7.1 Preservation table........................................................22
7.2 Preserving the inner surfaces......................................22
7.3 Preserving the outer surfaces......................................23
7.4 Removing the preservation..........................................23
8 Installation, removal .................................................... 24
8.1 Dangers during installation ..........................................24
8.2 Dangers during removal...............................................24
8.3 Installing the flowmeter ................................................24
8.3.1 Protecting the flowmeter against soiling ..........24
8.3.2 Installation types..............................................24
8.3.3 Installation recommendation............................25
8.3.4 Installing the flowmeter....................................26
8.4 Removing the flowmeter ..............................................27
9 Connection.....................................................................27
9.1 Dangers during connection work .................................27
9.2 Connecting the flowmeter to the pipe system ..............28
9.3 Connecting the pick up ................................................28
10 Operation........................................................................29
10.1 Dangers during operation ............................................29
10.2 Commissioning ............................................................29
10.2.1 Cleaning the pipe system ................................29
10.2.2 Checking the function ......................................29
10.2.3 Commissioning the flowmeter .........................30
10.3 Decommissioning.........................................................30
10.3.1 Switching off the flowmeter..............................30
10.4 Recommissioning.........................................................30
10.4.1 Recommissioning the flowmeter......................30
11 Maintenance...................................................................31
11.1 Required maintenance.................................................31
11.2 Maintaining flowmeters ................................................31
11.3 Recalibration of the flowmeter .....................................31
12 Servicing ........................................................................32
12.1 Dangers during servicing .............................................32
12.2 Replacing seals and ball bearings ...............................32
12.2.1 Removing seals and ball bearings OMG-013
.........................................................................32
12.2.2 Installing seals and ball bearings OMG-013....32
12.2.3 Removing seals and ball bearings OMG-020/
OMG-032.........................................................33
12.2.4 Installing seals and ball bearings OMG-020/
OMG-032.........................................................34
12.2.5 Removing seals and ball bearings OMG-052/
OMG-068.........................................................36
12.2.6 Installing seals and ball bearings OMG-052/
OMG-068.........................................................37
12.2.7 Removing seals and ball bearings OMG-100/
OMG-140.........................................................38
12.2.8 Installing seals and ball bearings OMG-100/
OMG-140.........................................................39
13 Disposal..........................................................................41
13.1 Dangers during disposal ..............................................41
13.2 Dismantling and disposing of the flowmeter ................41
14 Troubleshooting ............................................................42
14.1 Possible faults..............................................................42
14.2 Troubleshooting ...........................................................42
15 Spare parts.....................................................................44
15.1 Overview OMG-013 .....................................................44
15.2 Overview OMG-020/OMG-032 ....................................45
15.3 Overview OMG-052/OMG-068 ....................................46
15.4 Overview OMG-100/OMG-140 ....................................48
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OIO 14en-GB Edition 2020-01
Operating instructions

KRAL OMG Series Specifications

General

Brand	KRAL
Model	OMG Series
Category	Measuring Instruments
Language	English