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OMG-020
KRAL OMG-020 User Manual
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Operating instructions
KRAL flowmeters.
Series OMG
OIO 14en-GB
Edition 2020-01
Original instructions
www.kral.at
2
Table of Contents
Table of Contents
2
About this Document
4
General Information
4
Target Groups
4
Symbols
4
Danger Levels
4
Danger Signs
4
Symbols in this Document
5
Associated Documents
5
Safety
5
Proper Use
5
Foreseeable Misuse
5
Obligations of the Operator-Owner
6
Safety Instructions
6
Fundamental Safety Instructions
6
Identification
6
Type Code
6
Rating Plate
8
Technical Data
8
Operating Limits
8
Pressure Pulsation
8
Maximum Values
8
Substitute Operating Data
10
Sound Pressure Level
10
Dimensions and Weights
10
Pipe Thread (BSPP Thread)
10
DIN Flange
11
Pressure Bearing Capacity
12
Pressure Bearing Capacity OMG-013
12
Pressure Bearing Capacity OMG-020
13
Pressure Bearing Capacity OMG-032
14
Pressure Bearing Capacity OMG-052
15
Pressure Bearing Capacity OMG-068
16
Pressure Bearing Capacity OMG-100
17
Pressure Bearing Capacity OMG-140
18
Function Description
19
Structure
19
Functional Principle
19
Rolling Bearings
19
Signal Generation
20
Linearization
20
Temperature Compensation
20
Recognition of Flow Direction
20
Transportation, Storage
21
Dangers During Transportation
21
Dangers During Storage
21
Unpacking and Checking the State of Delivery
21
Transporting Flowmeters
21
Storing the Flowmeter
22
Preservation
22
Preservation Table
22
Preserving the Inner Surfaces
22
Preserving the Outer Surfaces
23
Removing the Preservation
23
Installation, Removal
24
Dangers During Installation
24
Dangers During Removal
24
Installing the Flowmeter
24
Protecting the Flowmeter against Soiling
24
Installation Types
24
Installation Recommendation
25
Installing the Flowmeter
25
Removing the Flowmeter
27
Connection
27
Dangers During Connection Work
27
Connecting the Flowmeter to the Pipe System
28
Connecting the Pick up
28
Operation
29
Dangers During Operation
29
Commissioning
29
Cleaning the Pipe System
29
Checking the Function
29
Commissioning the Flowmeter
30
Decommissioning
30
Switching off the Flowmeter
30
Recommissioning
30
Recommissioning the Flowmeter
30
Maintenance
31
Required Maintenance
31
Maintaining Flowmeters
31
Recalibration of the Flowmeter
31
Servicing
32
Dangers During Servicing
32
Replacing Seals and Ball Bearings
32
Removing Seals and Ball Bearings OMG-013
32
Installing Seals and Ball Bearings OMG-013
32
Disposal
41
Dangers During Disposal
41
Dismantling and Disposing of the Flowmeter
41
Troubleshooting
42
Possible Faults
42
Spare Parts
44
Overview OMG-013
44
Overview OMG-020/OMG-032
46
Overview OMG-052/OMG-068
46
Accessories
49
Heating
49
Possible Types of Heating
49
Technical Data of the Electrical Heating System
49
Technical Data of the Fluid Heating System
49
Installing the Heating System
49
Junction Box
51
Function Description
51
Technical Data
51
Installing the Junction Box
51
Extension Cable
52
Function Description
52
Technical Data
52
Connecting the Extension Cable
52
Appendix
54
Tightening Torques for Screws with Metric Screw Threads with and Without Wedge Lock Washers
54
Tightening Torques for Screw Plugs with Thread Meas
54
Tightening Torques and Widths for Threaded Rings
54
Contents of the Declaration of Conformity
55
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KRAL OMG-020 Specifications
General
Category
Measuring Instruments
Model
OMG-020
Manufacturer
KRAL
Material
Stainless Steel
Protection Class
IP65
Output Signal
4-20 mA, Pulse
Power Supply
24 VDC
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