PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
Before installation these instructions must be fully read and understood
TABLE OF CONTENTS
Product Warranty ...........................................2
1 About the Manual ...................................2
2 Introduction ............................................2
2.1 Features and Specifications ...................... 2
2.2 Design Ratings at Maximum and Minimum
Operating Temperatures ........................... 3
2.3 Application Data ......................................... 3
3 Inspection and Performance
Confirmation ...........................................4
3.1 Receiving Inspection................................... 4
3.2 User's Rating Inspection ............................ 4
4 Installation .............................................4
4.1 Effect of Related Piping and Precautions ... 4
4.2 Positioning of Specific Models ................... 4
4.3 Bolt Torque ................................................. 4
5 Operation ................................................5
5.1 Pre-Operational Check. ............................. 5
5.2 Hydrostatic Pressure Test ......................... 5
5.3 Operating..................................................... 5
6 Maintenance ...........................................6
6.1 Preventative Maintenance ......................... 6
6.2 Maintenance Procedures. .......................... 6
6.3 Troubleshooting .......................................... 7
7 Removal-Disassembly-Reassembly ......7
7.1 Disassembly ................................................ 7
7.2 Reassembly................................................. 7
8 Disposal at End of Useful Life .................8
9 Telephone Assistance ............................8
10 Exploded Parts Drawing .........................9
TABLES AND FIGURES
Table 1 Design Ratings at Maximum and
Minimum Operating Temperatures .... 3
Table 2 Bolt Torque Values .............................. 5
Figure 1 Bolt Tightening Sequence ................... 5
Figure 2 Pipe Threads ........................................ 7
Figure 3 Bolt Loosening Sequence .................... 7
Figure 4 Exploded Parts Drawing ...................... 9
Emerson.com/FinalControl
© 2018 Emerson. All Rights Reserved. VCIOM-07125-EN 19/01
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
PRODUCT WARRANTY
Emerson warrants its Penberthy products
as designed and manufactured by Emerson
to be free of defects in the material and
workmanship for a period of one year after
the date of installation or eighteen months
after the date of manufacture, whichever is
earliest. Emerson will, at its option, replace
or repair any products which fail during the
warranty period due to defective material or
workmanship.
Prior to submitting any claim for warranty
service, the owner must submit proof of
purchase to Emerson and obtain written
authorization to return the product. Thereafter,
the product shall be returned to Emerson, with
freight paid.
This warranty shall not apply if the product has
been disassembled, tampered with, repaired or
otherwise altered outside of Emerson factory,
or if it has been subject to misuse, neglect or
accident.
The responsibility of Emerson hereunder is
limited to repairing or replacing the product
at its expense. Emerson shall not be liable
for loss, damage or expenses related directly
or indirectly to the installation or use of
its products, or from any other cause or
for consequential damages. It is expressly
understood that Emerson is not responsible
for damage or injury caused to other products,
buildings, personnel or property, by reason of
the installation or use of its products.
1 ABOUT THE MANUAL
This manual has been prepared as an aid and
guide for personnel involved in installation or
maintenance. All instructions must be read and
understood thoroughly before attempting any
installation, operation or maintenance.
IMPORTANT
Penberthy does not have any control over the
manner in which its sight flow indicator is
handled, installed, or used, and Penberthy cannot
and does not warrant or guarantee that the sight
flow indicator is suitable or compatible with the
user's specific application.
WARNING
Always wear safety glasses when installing,
servicing or operating a sight flow indicator.
Failure to follow any instruction could possibly
result in a malfunction of the sight flow indicator
or glass breakage with resulting sudden release
of pressure causing serious personal injury or
property damage.
2 INTRODUCTION
2.1 Features and Specifications
Penberthy sight flow indicators are designed
for the observation of flow in a process line.
They are available in a variety of models, sizes,
and connection styles. The user should refer
to Penberthy dimension sheets to determine
specific models and connection styles available.
THIS IS EMERSON'S SOLE WARRANTY
AND IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED WHICH ARE HEREBY
EXCLUDED, INCLUDING IN PARTICULAR
ALL WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
This document and the warranty contained
herein may not be modified and no other
warranty, expressed or implied, shall be made
by or on behalf of Emerson unless made in
writing and signed by the General Manager or
Director of Engineering of Emerson.
2
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
2.2 Design Ratings at Maximum and Minimum Operating Temperatures
TABLE 1 - MAXIMUM DESIGN RATINGS WITH TEMPERED GLASS
Gasket Material
®
Body material Temp rating
Iron -20°F [-29°C] to +100°F [38°C] 250 [1.72] 250 [1.72] 250 [1.72]
at +500°F [260°C] 170 [1.17] 170 [1.17] 170 [1.17]
Bronze -20°F [-29°C] to +150°F [66°C] 225 [1.55] 225 [1.55] 225 [1.55]
at +400°F [204°C] 170 [1.17] 170 [1.17] 170 [1.17]
Carbon steel -20°F [-29°C] to +100°F [38°C] 285 [1.97] 285 [1.97] 285 [1.97]
at +500°F [260°C] 170 [1.17] 170 [1.17] 170 [1.17]
316 Stainless steel -300°F [-184°C] to +100°F [38°C] 275 [1.90] 275 [1.90] 275 [1.90]
at +500°F [260°C] 170 [1.17] 170 [1.17] 170 [1.17]
Body material Temp rating
Iron -20°F [-29°C] to +100°F [38°C] 250 [1.72] 250 [1.72] 250 [1.72] 250 [1.72]
at +250°F [121°C] 225 [1.55]
at +300°F [149°C] 215 [1.48]
at +400°F [204°C] 200 [1.38] 200 [1.38]
Bronze -20°F [-29°C] to +150°F [66°C] 225 [1.55] 225 [1.55] 225 [1.55] 225 [1.55]
at +250°F [121°C] 205 [1.41]
at +300°F [149°C] 195 [1.34]
at +400°F [204°C] 170 [1.17] 170 [1.17]
Carbon steel -20°F [-29°C] to +100°F [38°C] 285 [1.97] 285 [1.97] 285 [1.97] 285 [1.97]
at +250°F [121°C] 245 [1.69]
at +300°F [149°C] 230 [1.59]
at +400°F [204°C] 200 [1.38] 200 [1.38]
316 Stainless steel -20°F [-29°C] to +100°F [38°C] 275 [1.90]
-65°F [-54°C] to +100°F [38°C] 275 [1.90] 275 [1.90]
-300°F [-184°C] to +100°F [38°C] 275 [1.90]
at +250°F [121°C] 225 [1.55]
at +300°F [149°C] 215 [1.48]
at +400°F [204°C] 195 [1.34] 195 [1.34]
Teflon
Viton
®
psig [MPa]
IFG-5500
®
Gasket Material
psig [MPa]
PCTFE Neoprene
Grafoil
®
®
Buna "N"
To determine maximum allowable working
pressure for a specific temperature within the
design limits stated above, the user should
refer to Penberthy dimension sheets, or when
provided, the specifically stated design limits on
a Penberthy product proposal.
2.3 Application Data
NOTE
For specific application data within the above ranges,
consult the Penberthy product proposal for the
specific model and size sight flow indicator, or request
Penberthy to supply the applicable Technical Data
Bulletin.
WARNING
Never exceed these design ratings or application
data limits. Exceeding design ratings or
application data limits can cause serious personal
injury or property damage.
3
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
3 INSPECTION AND PERFORMANCE
CONFIRMATION
3.1 Receiving Inspection
Upon receipt of sight flow indicator, check all
components carefully for damage incurred in
shipping. If damage is evident or suspected,
do not attempt installation. Notify carrier
immediately and request a damage inspection.
3.2 Users' Rating Inspection
The user should confirm that:
1. The sight flow indicator model number and
pressure/temperature rating stamped on
nameplate (163) conforms to the description
on the user's purchase order.
2. The operating conditions described in
the purchase order agree with the actual
conditions at the installation site.
3. The actual operating conditions at the
installation site are within the application
data shown on the Penberthy Technical Data
Bulletin referred to above.
4. The materials of construction of the sight
flow indicator are compatible with both the
contained fluid and surrounding atmosphere
in the specific application.
4.1 Effect of Related Piping and Precautions
1. Do not impose system piping loads on sight
flow indicator. Unit is not designed to be
a load bearing component. Piping must
be supported and aligned with sight flow
indicator end connections to reduce the
possibility of stresses imposed on the unit.
2. Locate the sight flow indicator where it can
be easily seen.
3. Locate the sight flow indicator away from
areas where objects may be dropped,
thrown, or generally allowed to effect
contact with the viewing window glass.
4. Locate the sight flow indicator so it is
protected from dust, grit, tools, and any
other objects which may scratch, chip, or
break the viewing window glass.
5. Locate the sight flow indicator so it is
protected from external thermal shock,
such as would be imposed on a unit in a
high temperature application when exposed
to a cold air blast or a cold water wash.
WARNING
Failure to mount, protect, and locate sight flow
indicator as described above can cause serious
personal injury or property damage.
IMPORTANT
If the size, model or performance data of the sight
flow indicator as received does not conform with
any of the criteria above, do not proceed with
installation. Contact an authorized Penberthy
distributor for direction on what to do.
4 INSTALLATION
Use qualified experienced personnel who are
familiar with this equipment and thoroughly
understand all the instructions in this manual
for the installation of this equipment.
Refer to Penberthy dimension sheets or
Penberthy product proposal to obtain
dimensional information for the specific size
and model sight flow indicator.
WARNING
Do not proceed with installation unless the glass
has been examined and is free of imperfections,
and the connections and inside of the sight flow
indicator have been cleaned and are free of
any foreign materials. Glass that is chipped or
scratched is weakened and should not be used
under any circumstances. Pressure/temperature
ratings within Table 1 are no longer valid for glass
that is weakened. Failure to comply may cause a
sudden release of pressure with resulting severe
personal injury or property damage.
4.2 Positioning of Specific Models
1. Flapper models may be mounted in a
horizontal plane provided the flapper closes
over the inlet port by gravity when there is
no flow.
2. Plain or rotator models may be mounted in
any acceptable position.
3. Drip tube models should be mounted in a
vertical plane with the flow arrow pointing
downward.
4.3 Bolt Torque
IMPORTANT
Prior to any bolt torque checks, the sight flow
indicator must be relieved of all pressure
or vacuum, been allowed to reach ambient
temperature, and been drained or purged of all
fluids.
Bolt torque is vital to the proper operation of
a sight flow indicator. Gaskets compress over
a period of time; therefore, bolt torque should
be checked, and bolt torque values should be
brought up to those recommended in Table 2 by
following the bolt tightening sequence Figure 1.
Check the exploded view Figure 4 for
the location of the liquid inlet and outlet
connections, and for the location and direction
of the flow arrow to insure correct hook up.
4
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
TABLE 2 - BOLT TORQUE VALUES
Unit Size in
inches
¼ & ⅜ 2 to 3 [3 to 4] 2 to 4 [3 to 6] 2 to 4 [3 to 6] 2 to 3 [3 to 4] 2 to 4 [3 to 6]
½ & ¾ 2 to 4 [3 to 6] 3 to 5 [4 to 7] 5 to 7 [7 to 10] 3 to 5 [4 to 7] 3 to 5 [4 to 7]
1 3 to 6 [4 to 8] 5 to 8 [7 to 11] 9 to 12 [12 to 16] 4 to 7 [6 to 10] 5 to 8 [7 to 11]
1¼ & 1½ 7 to 10 [10 to14] 10 to 13 [14 to 18] 18 to 21 [24 to 29] 9 to 12 [13 to 17] 11 to 14 [15 to 19]
2 14 to 17 [19 to 23] 20 to 23 [28 to 32] 35 to 38 [48 to 52] 18 to 21 [25 to 29] 21 to 24 [29 to 33]
2½ & 3 33 to 36 [45 to 49] 49 to 52 [67 to 71] 88 to 91 [119 to 123] 43 to 46 [59 to 63] 50 to 53 [68 to 72]
4 56 to 59 [76 to 80] 79 to 82 [108 to 112] 136 to 138 [184 to 189] N/A 81 to 84 [110 to 114]
6 126 to 130 [171 to 176] 170 to 174 [231 to 236] 278 to 282 [377 to 382] N/A 174 to 177 [236 to 240]
8 145 to 150 [197 to 204] 207 to 210 [281 to 285] 294 to 299 [399 to 405] N/A 211 to 216 [287 to 293]
Neoprene
®
Buna "N", Viton
Tempered Glass Tempered Glass Tempered Glass Tempered Glass Tempered Glass
®
Teflon
®
Gasket material ft•lb [N•m]
IFG-5500
®
Grafoil
®
PCTFE
WARNING
Failure to comply with the proper torquing
sequence or force value can lead to leakage,
gasket blow-out or glass breakage resulting in
gage failure, serious personal injury or property
damage.
5 OPERATION
5.1 Pre-Operational Check
1. Check that all installation instructions have
been completed.
2. Check that bolts have been torqued to their
proper limits as stated in Section 4.3.
3. Check that glass is clean and free of any
damage as described in Section 4.0.
4. Check to determine that all connections are
pressure tight.
5.2 Hydrostatic Pressure Test
1. Take all precautions necessary to handle
the possibility of leakage.
2. Hydrostatic pressure test installation to at
least 50 psig (340 kPaG), and correct any
leakage before proceeding.
5.3 Operating
Sight flow indicator installations should be
brought into service slowly to avoid excessive
shock or stress on glass. Rapid pressurization
of a sight flow indicator can cause glass
breakage with resulting sudden release of
pressure, causing serious personal injury or
property damage.
1
4
FIGURE 1
Bolt tightening sequence
3
2
5
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
6 MAINTENANCE
in detecting some of these conditions,
Use only qualified, experienced personnel who
are familiar with this equipment and thoroughly
understand all the instructions in this manual
for all maintenance.
WARNING
Do not proceed with any maintenance unless
the sight flow indicator has been relieved of all
pressure or vacuum, has been allowed to reach
ambient temperature and has been drained or
purged of all fluids. Failure to do so could result
in a sudden release of pressure causing serious
personal injury or property damage.
6.1 Preventative Maintenance
Create maintenance schedules, safety
manuals, and inspection details for each
specific installation of a sight flow indicator.
On all installations, regularly check the
following items for purposes of maintenance:
1. Glass, for cleanliness and signs of damage
or wear.
2. Shields, if used, for signs of clouding, wear,
or deterioration.
3. Sight flow indicator for signs of leakage at
gaskets, or at connections.
4. Sight flow indicator, for signs of internal or
external corrosion.
5. Bolt torque values.
which will glisten more brightly than the
surrounding glass when reflecting light.
Detection of any such problem areas or
any surface wear is sufficient evidence
of damage. Immediately take sight flow
indicator out of service. Do not proceed
with operation of sight flow indicator
until the glass has been replaced with a
glass replacement kit by following the
Disassembly-Reassembly instructions in
Section 7.0.
2. Shields
Shields which show any signs of clouding,
wear, or deterioration are an indication
that the sight flow indicator glass has been
exposed, or could soon become exposed to
the contained fluid. Immediately take sight
flow indicator out of service. Do not proceed
with operation of sight flow indicator until
shields and glass have been replaced by
following the Disassembly-Reassembly
instructions in Section 7.0.
Determine upon evaluation of your own
operating experience the appropriate
maintenance schedule necessary for the
specific application. Realistic maintenance
schedules can only be determined with full
knowledge of the services and application
situation involved.
6.2 Maintenance Procedures
1. Glass
WARNING
Regular and careful attention must be given
to the cleaning and inspection of glass. Glass
that is etched or even slightly scratched is
weakened and may break under pressure.
Design ratings listed in Section 2.2 are no
longer valid for sight flow indicators that
contain scratched, worn, or otherwise damaged
glass, and such glass must be immediately
replaced. Failure to comply can cause serious
personal injury or property damage.
a. Keep glass clean using a commercial
glass cleaner and a soft cloth. DO NOT
use wire brushes, metal scraper, or any
device which could scratch the glass.
b. Inspect the surface of the glass for any
signs of clouding, etching, scratching, or
physical damage such as bruises, checks
or corrosion that penetrates the outer
surface of the glass. Shining a light at
approximately a 45° angle will aid
6
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
3. Gasket Leaks
Gasket leaks must be immediately repaired.
Do not proceed with operation of a sight
flow indicator until glass, gaskets and
cushions have been replaced by following
the Disassembly-Reassembly instructions
in Section 7.0.
4. Connection Leaks
Leaks at a flanged or threaded connection
should be corrected by tightening the bolts
at the connection, or by taking the sight flow
indicator out of service and remaking the
connection with Teflon
all male pipe threads as shown in Figure 2
®
tape or equivalent on
.
5. Corrosion
It is the user's responsibility to choose
a material of construction compatible
with both the contained fluid and
surrounding atmosphere in the user's
specific application. If internal or external
corrosion are present, an investigation
must immediately be carried out by the user
as to the cause of the problem, including
consulting with an authorized Penberthy
distributor.
6. Bolt Torque
Bolt torque schedules should be developed
by checking bolt torque values daily until an
appropriate cycle becomes apparent. The
maximum torque is always maintained while
not exceeding maximums at any time as
shown in Table 2.
6.3 Troubleshooting
Problem: Glass or shield becomes etched or
clouded in service.
Cause: Fluid being handled is not compatible
with the glass or shield material.
Cure: Install shields that are unaffected by
fluid.
WARNING
Once a sight flow indicator has been
disassembled, all glass, gaskets, cushions, and
shields (where used) must be disposed of since
they are permanently deformed by compression.
Do not under any circumstances re-use those
items since they can cause leaks or high stress
points resulting in glass breakage. If re-used, the
glass can break causing serious personal injury or
property damage.
7.2 Reassembly
a. Refer to exploded view Figure 4.
b. Prepare for installation of new glass (48) by
first cleaning the gasket seating surfaces on
body (11) and the cushion seating surfaces
on glass covers (1). This should be done
using a soft metal scraper (preferably brass)
to remove all burrs, rust, and bits of old
gasket or cushion which may be present.
Exercise extreme care to avoid gouging or
scarring gasket or cushion seating surfaces
WARNING
Failure to prepare gasket or cushion seating
surfaces described above can result in leaks or
glass breakage with resulting serious personal
injury or property damage.
c. Upon receipt of glass, inspect each piece
individually for shipping damage. During
inspection, and during any subsequent
handling of glass, care must be exercised
to keep glass (especially the polished faces)
from contacting each other or any other
surfaces including table tops. If shipping
damage is evident or suspected, notify
carrier immediately and request a damage
inspection. Glass should be kept in original
wrap within original box until ready to use.
Tape
1-2
Threads
FIGURE 2
Pipe threads
4
1
FIGURE 3
Bolt loosening sequence
2
3
Direction
of Wrap
Problem: Glass continually breaks in service.
Cause: Warped body as a result of
mechanical or thermal stresses.
Cure: Replace sight flow indicator.
7.0 REMOVAL-DISASSEMBLY-REASSEMBLY
WARNING
Do not proceed with the removal or disassembly
of sight flow indicator from connecting piping
unless the sight flow indicator has been relieved
of all pressure or vacuum, has been allowed to
reach ambient temperature and has been drained
or purged of all fluids. Failure to do so can cause
serious personal injury or property damage.
7.1 Disassembly
a. Sight flow indicators should be
disassembled by holding sight flow indicator
firmly and loosening bolts by following the
bolt loosening sequence shown in Figure 3.
7
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
WARNING
Bumping or sliding of glass against each other
or against other surfaces can result in glass
breaking, scratching, or chipping. Glass that is
broken is dangerous and useless and should
be disposed of in a safe manner determined by
the user. Glass that is chipped or scratched is
weakened and should not be used under any
circumstances. Pressure/temperature ratings
within Table 1 are no longer valid for glass that is
weakened. Using broken, chipped or scratched
glass can cause serious personal injury or
property damage.
d. Place the sight flow indicator in a horizontal
position and assemble the components as
shown in Figure 4. Install band (331) around
glass and place glass centered within the
body and cover.
e. Threads on bolts (137) and nuts (4) must be
clean of paint, rust, and scale. Apply a light
coat of oil to the threads and insert bolts
through nameplate and two (2) covers, and
install nuts finger tight.
f. Use a torque wrench to tighten the bolts.
Tighten bolts in increments of 3 ft•lb [4
N•m] or 50% of torque value as shown in
Table 2, whichever is smaller. Continue
tightening sequence at 3 ft•lb [4 N•m] max.
torque until values in Table 2 are reached.
g. Gaskets will become compressed a short
time after bolts are tightened and torque
values will decrease. Therefore, the sight
flow indicator must be retorqued after 24
hours in service to values established in
Table 2 for the specific model sight flow
indicator.
WARNING
Do not re-torque a sight flow indicator while
under pressure. A sight flow indicator in service
must be freed of all pressure or vacuum, allowed
to reach ambient temperature and drained or
purged of all fluids before re-torque is performed.
Failure to follow this procedure can result in
serious personal injury or property damage.
Metal, glass and polymers should be recycled
whenever possible. Refer to order and Emerson
Material Specification sheets for materials
ofconstruction.
9 TELEPHONE ASSISTANCE
If you are having difficulty with your Sight
Flow Indicator, contact your local Penberthy
distributor. You may also contact the factory
direct at (956) 430-2500 and ask for an
applications engineer. So that we may assist
you more effectively, please have as much of
the following information available as possible
when you call:
Model #
Name of the company from whom you
purchased the Sight Flow Indicator
Invoice # and date
Process conditions (pressure, flow rates,
tank shape, etc)
A brief description of the problem
Trouble shooting procedures that failed
If attempts to solve your problem fail, you may
request to return your Sight Flow Indicator
to the factory for intensive testing. You must
obtain a Return Authorization (R.A.) number
from Emerson before returning anything.
Failure to do so will result in the unit being
returned to you without being tested, freight
collect. To obtain an R.A. number, the
following information (in addition to that above)
isneeded:
Reason for return
Person to contact at your company
"Ship To” address
There is a minimum charge for evaluation
of non-warranty units. You will be contacted
before any repairs are initiated should the cost
exceed the minimum charge. If you return a
unit under warranty, but is not defective, the
minimum charge will apply.
h. Refer to Section 4.0 Installation and Section
5.0 Operation when returning sight flow
indicator to service.
8 DISPOSAL AT END OF USEFUL LIFE
Penberthy Sight Flow Indicators are used in a
variety of fluid applications. By following the
appropriate federal and industry regulations,
the user must determine the extent of
preparation and treatment the Sight Flow
Indicator must incur before its disposal. A
Material Safety Data Sheet (MSDS) may be
required before disposal services accept
certain components.
®
Grafoil
is a registered trademark of Graftech, Inc.
IFG-5500
®
is a registered trademark of Garlock
Neoprene®, Teflon® and Viton® are registered
trademarks of E. I. duPont de Nemours
andCompany
PCTFE (formerly known as Kel-F
®
- a
registered trademark of the 3M Company) now
manufactured by Daikin
8
PENBERTHY SIGHT FLOW INDICATORS
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
10 EXPLODED PARTS DRAWING
REF NO. ITEM MIN. QTY.
7 Gasket 2
48 Glass 2
8 Cushion 2
9 Shield 2
* Shields are optional
To ensure proper operation, use Penberthy spare parts.
PARTS LIST
Item
137 Bolt
163 Nameplate
128 Pin
115 Spacer
106 Rotator
115A Spacer
125 Washer
11 Body
7 Gasket
9 Shield
48 Glass
8 Cushion
1 Cover
4 Nut
43 Flapper
171 Tube
331 Band
Typical
drip-tube
type
Typical
rotator
type
Typical
flapper
type
FIGURE 4
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.
Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Penberthy is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,
Emerson and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by
our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without
notice.
Emerson.com/FinalControl
9
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