Hydrocarbon Processing - November 2021 - 41

Engineering and Construction
Depending upon project specifications,
electric heat tracing or steam tracing is applied
to the gauge chamber; the type of
heat tracing for the gauge chamber should
match the vessel. All input supply must be
available for any type of heat tracing (electric
heat tracing, power distribution, heat
tracing cables, etc.), as well as a continuous
supply of steam for steam tracing.
The scope of supply for heat tracing
should be defined in the project's early
stages (i.e., the tracing supply should be
included in the electrical/piping contractor's
scope of work, rather than the
instrument vendor). This helps maintain
project consistency and reduces the interface
between the instrument vendor,
engineering team and piping contractor.
The requirements should be documented
in the heat tracing schedule by the instrumentation
team, in heat tracing isometrics
by the electrical team, and reviewed
by an instrumentation engineer.
Frost-proof extensions. When tracing
is not required on magnetic level gauges
installed in a cold environment (i.e., when
ambient temperatures are below 0°C or
for cryogenic applications), it is recommended
to use frost-proof extensions
(FIG. 11) on the gauge to prevent ice from
collecting on the visual indicator and decreasing
visibility.7
Chamber support. For level gauges with
a larger c-c length, the chamber requires
additional support, which can be achieved
with a support bracket/clip/plate installed
or welded on the chamber and fitted
to the support on the pipe stand, vessel
or nearby structure. Generally, the vendor
advises above what c-c length the chamber
support is required. However, the project's
piping stress team also calculates the support
requirement based on the c-c length
and weight of the gauge. The support
bracket can be customized to align it with
the support on the vessel provided by the
mechanical vessel vendor. During detailed
engineering, while customizing the support
bracket according to project requirements,
the following must be determined:
* Exact location of the
support bracket
* Direction the support bracket faces
FIG. 12. Support plate welded on a gauge chamber, in mm.
FIG. 11. Frost-proof extension. Source: Orion
Instruments.
FIG. 13. An example of a support plate on a vessel, in mm.
Hydrocarbon Processing | NOVEMBER 2021 41

Hydrocarbon Processing - November 2021

Table of Contents for the Digital Edition of Hydrocarbon Processing - November 2021

Contents
Hydrocarbon Processing - November 2021 - Intro
Hydrocarbon Processing - November 2021 - Cover1
Hydrocarbon Processing - November 2021 - Cover2
Hydrocarbon Processing - November 2021 - Contents
Hydrocarbon Processing - November 2021 - 4
Hydrocarbon Processing - November 2021 - 5
Hydrocarbon Processing - November 2021 - 6
Hydrocarbon Processing - November 2021 - 7
Hydrocarbon Processing - November 2021 - 8
Hydrocarbon Processing - November 2021 - 9
Hydrocarbon Processing - November 2021 - 10
Hydrocarbon Processing - November 2021 - 11
Hydrocarbon Processing - November 2021 - 12
Hydrocarbon Processing - November 2021 - 13
Hydrocarbon Processing - November 2021 - 14
Hydrocarbon Processing - November 2021 - 15
Hydrocarbon Processing - November 2021 - 16
Hydrocarbon Processing - November 2021 - 17
Hydrocarbon Processing - November 2021 - 18
Hydrocarbon Processing - November 2021 - 19
Hydrocarbon Processing - November 2021 - 20
Hydrocarbon Processing - November 2021 - 21
Hydrocarbon Processing - November 2021 - 22
Hydrocarbon Processing - November 2021 - 23
Hydrocarbon Processing - November 2021 - 24
Hydrocarbon Processing - November 2021 - 25
Hydrocarbon Processing - November 2021 - 26
Hydrocarbon Processing - November 2021 - 27
Hydrocarbon Processing - November 2021 - 28
Hydrocarbon Processing - November 2021 - 29
Hydrocarbon Processing - November 2021 - 30
Hydrocarbon Processing - November 2021 - 31
Hydrocarbon Processing - November 2021 - 32
Hydrocarbon Processing - November 2021 - 33
Hydrocarbon Processing - November 2021 - 34
Hydrocarbon Processing - November 2021 - 35
Hydrocarbon Processing - November 2021 - 36
Hydrocarbon Processing - November 2021 - 37
Hydrocarbon Processing - November 2021 - 38
Hydrocarbon Processing - November 2021 - 39
Hydrocarbon Processing - November 2021 - 40
Hydrocarbon Processing - November 2021 - 41
Hydrocarbon Processing - November 2021 - 42
Hydrocarbon Processing - November 2021 - 43
Hydrocarbon Processing - November 2021 - 44
Hydrocarbon Processing - November 2021 - 45
Hydrocarbon Processing - November 2021 - 46
Hydrocarbon Processing - November 2021 - 47
Hydrocarbon Processing - November 2021 - 48
Hydrocarbon Processing - November 2021 - 49
Hydrocarbon Processing - November 2021 - 50
Hydrocarbon Processing - November 2021 - 51
Hydrocarbon Processing - November 2021 - 52
Hydrocarbon Processing - November 2021 - 53
Hydrocarbon Processing - November 2021 - 54
Hydrocarbon Processing - November 2021 - 55
Hydrocarbon Processing - November 2021 - 56
Hydrocarbon Processing - November 2021 - 57
Hydrocarbon Processing - November 2021 - 58
Hydrocarbon Processing - November 2021 - 59
Hydrocarbon Processing - November 2021 - 60
Hydrocarbon Processing - November 2021 - 61
Hydrocarbon Processing - November 2021 - 62
Hydrocarbon Processing - November 2021 - 63
Hydrocarbon Processing - November 2021 - 64
Hydrocarbon Processing - November 2021 - 65
Hydrocarbon Processing - November 2021 - 66
Hydrocarbon Processing - November 2021 - 67
Hydrocarbon Processing - November 2021 - 68
Hydrocarbon Processing - November 2021 - 69
Hydrocarbon Processing - November 2021 - 70
Hydrocarbon Processing - November 2021 - 71
Hydrocarbon Processing - November 2021 - 72
Hydrocarbon Processing - November 2021 - 73
Hydrocarbon Processing - November 2021 - 74
Hydrocarbon Processing - November 2021 - 75
Hydrocarbon Processing - November 2021 - 76
Hydrocarbon Processing - November 2021 - 77
Hydrocarbon Processing - November 2021 - 78
Hydrocarbon Processing - November 2021 - 79
Hydrocarbon Processing - November 2021 - 80
Hydrocarbon Processing - November 2021 - 81
Hydrocarbon Processing - November 2021 - 82
Hydrocarbon Processing - November 2021 - 83
Hydrocarbon Processing - November 2021 - 84
Hydrocarbon Processing - November 2021 - 85
Hydrocarbon Processing - November 2021 - 86
Hydrocarbon Processing - November 2021 - 87
Hydrocarbon Processing - November 2021 - 88
Hydrocarbon Processing - November 2021 - 89
Hydrocarbon Processing - November 2021 - 90
Hydrocarbon Processing - November 2021 - Cover3
Hydrocarbon Processing - November 2021 - Cover4
https://www.nxtbook.com/gulfenergyinfo/gulfpub/HPI-Market-Data-2023-v3
https://www.nxtbook.com/gulfenergyinfo/gulfpub/hpi-market-data-2024-v2
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https://www.nxtbook.com/gulfenergyinfo/gulfpub/gas-processes-handbook-2022_v2
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https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_processes_handbook_2021_v2
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https://www.nxtbook.com/nxtbooks/gulfpub/catalyst_handbook_2020_v2
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https://www.nxtbook.com/nxtbooks/gulfpub/refining_processes_handbook_2020
https://www.nxtbook.com/nxtbooks/gulfpub/refining_processes_handbook_2020_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202007
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202006
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202005
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202004
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202003
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202002
https://www.nxtbook.com/nxtbooks/gulfpub/hp_202001
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201912
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201911
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2020_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2020
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201910
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201909
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201908
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201907
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201906
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201905
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201904
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201903
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201902
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201901
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_2018_v2
https://www.nxtbook.com/nxtbooks/gulfpub/petrochemical_2018
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201812
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2019_v2
https://www.nxtbook.com/nxtbooks/gulfpub/hpimarket_2019
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201811
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201810
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201809
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201808
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201807
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201806
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201805
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201804
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201803
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201802
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201801
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201712
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201711
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https://www.nxtbook.com/nxtbooks/gulfpub/hp_201709
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https://www.nxtbook.com/nxtbooks/gulfpub/hp_201706
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201705
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201704
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201703
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201702
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201701
https://www.nxtbook.com/nxtbooks/gulfpub/hp_2017mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201612
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201611
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201610
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201609
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https://www.nxtbook.com/nxtbooks/gulfpub/hp_2016mediaplanner
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201509
https://www.nxtbook.com/nxtbooks/gulfpub/hp_201508
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