KRAL OMH Series, Руководство по эксплуатации

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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..................................................... 5
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 ...................................................... 6
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............................................... 9
4.5 Sound pressure level..................................................... 9
4.6 Dimensions and weights.............................................. 10
4.6.1
Pipe thread (BSPP thread) ............................. 10
4.6.2 DIN flange ....................................................... 10
4.6.3 SAE flange ...................................................... 11
4.7 Pressure bearing capacity ........................................... 12
4.7.1
Pressure bearing capacity OMH-013.............. 12
4.7.2 Pressure bearing capacity OMH-020.............. 13
4.7.3 Pressure bearing capacity OMH-032.............. 14
4.7.4 Pressure bearing capacity OMH-052.............. 15
4.7.5 Pressure bearing capacity OMH-068.............. 16
4.7.6 Pressure bearing capacity OMH-100.............. 17
5 Function description.................................................... 18
5.1 Structure ...................................................................... 18
5.2 Functional principle...................................................... 18
5.3 Rolling bearings........................................................... 18
5.4 Signal generation......................................................... 19
5.5 Linearization ................................................................ 19
5.6 Recognition of flow direction........................................ 19
6 Transportation, storage............................................... 20
6.1 Dangers during transportation ..................................... 20
6.2 Dangers during storage ............................................... 20
6.3 Unpacking and checking the state of delivery ............. 20
6.4 Transporting flowmeters .............................................. 20
6.5 Storing the flowmeter................................................... 21
7 Preservation ................................................................. 21
7.1 Preservation table........................................................ 21
7.2 Preserving the inner surfaces...................................... 22
7.3 Preserving the outer surfaces...................................... 22
7.4 Removing the preservation.......................................... 22
8 Installation, removal .................................................... 23
8.1 Dangers during installation .......................................... 23
8.2 Dangers during removal............................................... 23
8.3 Installing the flowmeter ................................................ 23
8.3.1
Protecting the flowmeter against soiling .......... 23
8.3.2 Installation types.............................................. 23
8.3.3 Installation recommendation............................ 24
8.3.4 Installing the flowmeter.................................... 25
8.4 Removing the flowmeter .............................................. 26
9 Connection ..................................................................... 26
9.1 Dangers during connection work ................................. 26
9.2 Connecting the flowmeter to the pipe system .............. 27
9.3 Connecting the pick up ................................................ 28
10 Operation........................................................................ 28
10.1 Dangers during operation ............................................ 28
10.2 Commissioning ............................................................ 28
10.2.1 Cleaning the pipe system ................................ 28
10.2.2 Checking the function ...................................... 29
10.2.3 Commissioning the flowmeter ......................... 29
10.3 Decommissioning......................................................... 29
10.3.1 Switching off the flowmeter.............................. 29
10.4 Recommissioning......................................................... 30
10.4.1 Recommissioning the flowmeter...................... 30
11 Maintenance ................................................................... 30
11.1 Required maintenance ................................................. 30
11.2 Maintaining flowmeters ................................................ 30
11.3 Recalibration of the flowmeter ..................................... 31
12 Servicing ........................................................................ 31
12.1 Dangers during servicing ............................................. 31
12.2 Replacing seals and ball bearings ............................... 31
12.2.1 Removing seals and ball bearings OMH-013 .. 31
12.2.2 Installing seals and ball bearings OMH-013 .... 32
12.2.3 Removing seals and ball bearings OMH-020/
OMH-032 ......................................................... 32
12.2.4 Installing seals and ball bearings OMH-020/
OMH-032 ......................................................... 33
12.2.5 Removing seals and ball bearings OMH-052/
OMH-068 ......................................................... 34
12.2.6 Installing seals and ball bearings OMH-052/
OMH-068 ......................................................... 35
12.2.7 Removing seals and ball bearings OMH-100 .. 36
12.2.8 Installing seals and ball bearings OMH-100 .... 37
13 Disposal.......................................................................... 38
13.1 Dangers during disposal .............................................. 38
13.2 Dismantling and disposing of the flowmeter ................ 38
14 Troubleshooting ............................................................ 39
14.1 Possible faults .............................................................. 39
14.2 Troubleshooting ........................................................... 39
15 Spare parts ..................................................................... 41
15.1 Overview OMH-013 ..................................................... 41
15.2 Overview OMH-020/032 .............................................. 42
15.3 Overview OMH-052/068 .............................................. 43
15.4 Overview OMH-100 ..................................................... 44
16 Appendix ........................................................................ 45
16.1 Tightening torques for screws with metric screw threads
with and without wedge lock washers .......................... 45
2 OIO 08en-GB Edition 2020-01 Operating instructions