Brooks 1350G/1355G Istruzioni per l'uso

Tipo
Istruzioni per l'uso
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Brooks
®
Sho-Rate™ Series
Models 1350G/1355G Sizes 2-6
Sho-Rate
Model 1350G
with optional
needle valve
Sho-Rate
Model 1355G
with optional
integrated
flow controller
Sho-Rate
Model 1355G
with optional
needle valve
Sho-Rate
Model 1350G
(No Valve)
Sho-Rate
Model 1350G
with optional
integrated
flow controller
Sho-Rate
Model 1355G
(No Valve)
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
ESD (Electrostatic Discharge)
CAUTION: This instrument contains electronic components that are susceptible to damage by static electricity. Proper handling procedures must be observed
during the removal, installation or other handling of internal circuit boards or devices.
Handling Procedure:
1. Power to unit must be removed.
2. Personnel must be grounded, via a wrist strap or other safe, suitable means before any printed circuit card or other internal device is installed,
removed or adjusted.
3. Printed circuit cards must be transported in a conductive container. Boards must not be removed from protective enclosure until immediately before
installation. Removed boards must immediately be placed in protective container for transport, storage or return to factory.
Comments
This instrument is not unique in its content of ESD (electrostatic discharge) sensitive components. Most modern electronic designs contain components
that utilize metal oxide technology (NMOS, SMOS, etc.). Experience has proven that even small amounts of static electricity can damage or destroy these
devices. Damaged components, even though they appear to function properly, exhibit early failure.
Brooks Instrument designs, manufactures and tests its products to meet many national and international standards. These products must be properly
installed, operated and maintained to ensure they continue to operate within their normal specifications. The following instructions must be adhered to
and integrated into your safety program when installing, operating and maintaining Brooks Instrument products.
To ensure proper performance, use qualified personnel to install, operate, update, program and maintain the product.
Read all instructions prior to installing, operating and servicing the product. If this instruction manual is not the correct manual, please see back cover
for local sales office contact information. Save this instruction manual for future reference.
WARNING: Do not operate this instrument in excess of the specifications listed in the Instruction and Operation Manual. Failure to heed
this warning can result in serious personal injury and / or damage to the equipment.
If you do not understand any of the instructions, contact your Brooks Instrument representative for clarification.
Follow all warnings, cautions and instructions marked on and supplied with the product.
WARNING: Prior to installation ensure this instrument has the required approval ratings to meet local and national codes. Failure to heed this warning can
result in serious personal injury and / or damage to the equipment.
Install your equipment as specified in the installation instructions of the appropriate instruction manual and per applicable local and national codes.
Connect all products to the proper electrical and pressure sources.
Operation: (1) Slowly initiate flow into the system. Open process valves slowly to avoid flow surges. (2) Check for leaks around the flow meter inlet
and outlet connections. If no leaks are present, bring the system up to the operating pressure.
Please make sure that the process line pressure is removed prior to service. When replacement parts are required, ensure that qualified people use
replacement parts specified by Brooks Instrument. Unauthorized parts and procedures can affect the product's performance and place the safe
operation of your process at risk. Look-alike substitutions may result in fire, electrical hazards or improper operation.
Ensure that all equipment doors are closed and protective covers are in place to prevent electrical shock and personal injury, except when
maintenance is being performed by qualified persons.
WARNING: For liquid flow devices, if the inlet and outlet valves adjacent to the devices are to be closed for any reason, the devices must be completely
drained. Failure to do so may result in thermal expansion of the liquid that can rupture the device and may cause personal injury.
All pressure equipment with an internal pressure greater than 0.5 bar (g) and a size larger than 25mm or 1" (inch) falls under the Pressure Equipment Directive (PED).
The Specifications Section of this manual contains instructions related to the PED directive.
Products described in this manual are in compliance with EN directive 2014/34/EU.
All Brooks Instrument Flowmeters fall under fluid group 1.
Products larger than 25mm or 1" (inch) are in compliance with PED category I, II or III.
Products of 25mm or 1" (inch) or smaller are Sound Engineering Practice (SEP).
The Brooks Instrument (electric/electronic) equipment bearing the CE mark has been successfully tested to the regulations of the Electro Magnetic
Compatibility (EMC directive 2014/30/EU).
Special attention however is required when selecting the signal cable to be used with CE marked equipment.
Quality of the signal cable, cable glands and connectors:
Brooks Instrument supplies high quality cable(s) which meets the specifications for CE certification.
If you provide your own signal cable you should use a cable which is overall completely screened with a 100% shield.
“D” or “Circular” type connectors used should be shielded with a metal shield. If applicable, metal cable glands must be used providing cable screen clamping.
The cable screen should be connected to the metal shell or gland and shielded at both ends over 360 Degrees.
The shield should be terminated to an earth ground.
Card Edge Connectors are standard non-metallic. The cables used must be screened with 100% shield to comply with CE certification.
The shield should be terminated to an earth ground.
For pin configuration : Please refer to the enclosed Instruction Manual.
European Pressure Equipment Directive (PED)
European Electromagnetic Compatibility (EMC)
Essential Instructions
Read before proceeding!
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Dear Customer,
We appreciate this opportunity to service your flow measurement and control requirements with a Brooks
Instrument device. Every day, flow customers all over the world turn to Brooks Instrument for solutions to their
gas and liquid low-flow applications. Brooks provides an array of flow measurement and control products for
various industries from biopharmaceuticals, oil and gas, fuel cell research and chemicals, to medical devices,
analytical instrumentation, semiconductor manufacturing, and more.
The Brooks product you have just received is of the highest quality available, offering superior performance,
reliability and value to the user. It is designed with the ever changing process conditions, accuracy requirements
and hostile process environments in mind to provide you with a lifetime of dependable service.
We recommend that you read this manual in its entirety. Should you require any additional information concerning
Brooks products and services, please contact your local Brooks Sales and Service Office listed on the back cover
of this manual or visit www.BrooksInstrument.com
Yours sincerely,
Brooks Instrument
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
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Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Contents
Paragraph Page
Number Number
Section 1 Introduction
1-1 Description................................................................................................................................................. 1-1
1-2 Specifications............................................................................................................................................. 1-1
1-3 Optional Equipment ................................................................................................................................... 1-6
Section 2 Installation
2-1 General...................................................................................................................................................... 2-1
2-2 Receipt of Equipment ................................................................................................................................ 2-1
2-3 Unpacking.................................................................................................................................................. 2-1
2-4 Return Shipment........................................................................................................................................ 2-1
2-5 Recommended Storage Practice............................................................................................................... 2-1
2-6 Installation ................................................................................................................................................. 2-2
Section 3 Operation
3-1 Operation................................................................................................................................................... 3-1
Section 4 Maintenance
4-1 Disassembly & Cleaning............................................................................................................................ 4-1
4-2 Reassembly Procedure ............................................................................................................................. 4-2
Section 5 Parts List
5-1 General...................................................................................................................................................... 5-1
Section A Essential Instructions.......................................................................................................................A-1
Warranty, Local Sales/Service Contact Information........................................................................ Back Cover
Figures
2-1 Typical Flowmeter Installation.................................................................................................................... 2-3
2-2 Dimensions - Sho-Rate
1350G .................................................................................................................. 2-3
2-3 Dimensions - Sho-Rate
1350G Panel Mount ............................................................................................. 2-4
2-4 Dimensions - Sho-Rate
1350G Bezel ........................................................................................................ 2-4
2-5 Dimensions - Sho-Rate
1355G .................................................................................................................. 2-5
2-6 Dimensions - Sho-Rate
1355G Panel Mount ............................................................................................. 2-6
2-7 Dimensions - Sho-Rate
1355G Bezel ........................................................................................................ 2-7
2-8 Dimensions - Model 1350G/1355G with Flow Controller ........................................................................... 2-8
5-1 Parts Drawing Sho-Rate Models 1350G and 1355G ................................................................................. 5-2
Tables
1-1 Specifications for Sho-Rate Models 1350G and 1355G ............................................................................ 1-2
1-2 Capacities Rib Guide Tubes, Spherical Floats for use with 1350G Only ................................................... 1-3
1-3 Tube and Float Code - Seventh Digit in Model Code for Scale Inscription ................................................ 1-3
1-4 Tube and Float Code - Eighth and Ninth Digit in Model Code for Scale Configuration.............................. 1-3
1-5 Capacities Rib Guide Tubes, Spherical Floats for use with 1355G Only ................................................... 1-4
5-1 Parts List - Sho-Rate Models 1350G and 1355G ...................................................................................... 5-3
ii
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Contents
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1-1
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 1 Introduction
1-1 Description
The Sho-Rate Flowmeters are variable area, glass tube, flow rate
indicating meters. The basic elements are a tapered glass metering tube
and a metering float. Features include quick and simple removal or
installation of the tube and float while the meter remains in the process
piping.
1-2 Specifications (Reference Tables 1-1 thru 1-5)
1-2
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 1 Introduction
1350G1350G
1350G1350G
1350G
1355G1355G
1355G1355G
1355G
PerformancePerformance
PerformancePerformance
Performance
AccuracyAccuracy
AccuracyAccuracy
Accuracy ±5% at reference conditions ± 3% at reference conditions
RepeatabilityRepeatability
RepeatabilityRepeatability
Repeatability 0.25% F.S.
Pressure/TemperaturePressure/Temperature
Pressure/TemperaturePressure/Temperature
Pressure/Temperature 200 psig (33°F - 250°F) / 13.8 bar (1°C-121°C)
Materials of ConstructionMaterials of Construction
Materials of ConstructionMaterials of Construction
Materials of Construction Borosilicate glass, Brass, Aluminum, 316 Stainless Steel, Clear Polycarbonate,
Milk White Polycarbonate, Teflon
®
End Block OptionsEnd Block Options
End Block OptionsEnd Block Options
End Block Options Stainless Steel and Brass
Packing MaterialPacking Material
Packing MaterialPacking Material
Packing Material Viton
®
fluoroelastomers, Teflon
®
, Buna, Kalrez
®
perfluoroelastomers
Float MaterialsFloat Materials
Float MaterialsFloat Materials
Float Materials Glass, Sapphire, Stainless Steel, Carboloy
®
, Tantalum
Connection MaterialsConnection Materials
Connection MaterialsConnection Materials
Connection Materials Stainless Steel
Connection OptionsConnection Options
Connection OptionsConnection Options
Connection Options 1/8” NPT (w/wo locknuts)
1/4” NPT (w/wo locknuts)
1/8” Compression (w/wo locknuts)
1/4” Compression (w/wo locknuts)
6 mm Compression (w/wo locknuts)
1/4” RC (w/wo locknuts)
3/8” RC (w/wo locknuts)
1/4” VCR
®
1/4” ID Hose
Swagelok
®
Converters
DimensionsDimensions
DimensionsDimensions
Dimensions See Dimension Drawings
Alarm AvailabilityAlarm Availability
Alarm AvailabilityAlarm Availability
Alarm Availability (coming soon)
Valve OptionsValve Options
Valve OptionsValve Options
Valve Options Cartridge III Valve and NRS
TM
Valve MaterialsValve Materials
Valve MaterialsValve Materials
Valve Materials Stainless Steel
Flow ControllerFlow Controller
Flow ControllerFlow Controller
Flow Controller Yes
CertificationsCertifications
CertificationsCertifications
Certifications International Calibration Certificate (ICC)
CRN (coming soon)
Pressure Equipment Directive (97/23/EC)
RoHS (II)
REACH (coming soon)
Table 1-1 Specifications for Sho-Rate Models 1350G and 1355G
1-3
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 1 Introduction
MeterMeter
MeterMeter
Meter
TT
TT
T
ubeube
ubeube
ube
FloatFloat
FloatFloat
Float
WW
WW
W
aterater
aterater
ater
AirAir
AirAir
Air
SizeSize
SizeSize
Size
No.No.
No.No.
No.
MaterialMaterial
MaterialMaterial
Material
GPHGPH
GPHGPH
GPH
LPHLPH
LPHLPH
LPH
SCFHSCFH
SCFHSCFH
SCFH
NLPHNLPH
NLPHNLPH
NLPH
Glass 0.010 0.041 0.12 3.2
Sapphire 0.021 0.079 0.19 5.0
R-2-65-A G Stainless Steel 0.049 0.18 0.37 9.8
Carboloy 0.10 0.36 0.65 17
Tantalum 0.10 0.40 0.71 18
Glass 0.014 0.06 0.16 4.4
Sapphire 0.028 0.10 0.25 6.7
R-2-65-B G Stainless Steel 0.07 0.25 0.48 12
Carboloy 0.12 0.48 0.80 21
2 Tantalum 0.14 0.53 0.87 22
Glass 0.12 0.47 0.99 26
Sapphire 0.22 0.83 1.3 35
R-2-65-C G Stainless Steel 0.41 1.5 2.1 55
Carboloy 0.65 2.4 3.1 81
Tantalum 0.70 2.6 3.3 87
Glass 0.68 2.5 3.9 100
Sapphire 0.99 3.7 5.1 130
R-2-65-D G Stainless Steel 1.6 6.3 7.9 200
Carboloy 2.5 9.5 11 290
Tantalum 2.7 10.0 12 310
Glass 2.2 8.5 13 340
Sapphire 3.3 12 17 440
R-6-65-A G Stainless Steel 5.6 21 25 660
Carboloy 8.3 31 36 940
Tantalum 8.8 33 38 1000
6 Glass 8.7 33 46 1200
Sapphire 12 47 59 1500
R-6-65-B G Stainless Steel 20 76 86 2200
Carboloy 29 100 110 3100
Tantalum 30 110 120 3300
Air flows are at 14.7 psia and 70 Degrees F/1.01 Bar and 21.1 Degrees C
Table 1-2 Capacities - Rib Guide Tubes, Spherical Floats for use with 1350G Series Only
CodeCode
CodeCode
Code
Model 1350 Model 1350
Model 1350 Model 1350
Model 1350
TT
TT
T
ubeube
ubeube
ube
Model 1355 Model 1355
Model 1355 Model 1355
Model 1355
TT
TT
T
ubeube
ubeube
ube
A R-2-15-A G
B R-2-15-B G
C R-2-15-C G
D R-2-15-D G
F R-6-15-B G
G R-2-65-A G R-2-15-AAAA G
H R-2-65-B G
J R-2-65-C G
K R-2-65-D G
L R-6-65-A G
M R-6-65-B G
N No Tube No Tube
Decal Scale InscriptionDecal Scale Inscription
Decal Scale InscriptionDecal Scale Inscription
Decal Scale Inscription
MeterMeter
MeterMeter
Meter
FloatFloat
FloatFloat
Float
MMMM
MMMM
MM
LinearLinear
LinearLinear
Linear
CustomCustom
CustomCustom
Custom
PP
PP
P
erer
erer
er
cencen
cencen
cen
tt
tt
t
AccurAccur
AccurAccur
Accur
acyacy
acyacy
acy
MaterialMaterial
MaterialMaterial
Material
ScaleScale
ScaleScale
Scale
ScaleScale
ScaleScale
Scale
DecalDecal
DecalDecal
Decal
ScaleScale
ScaleScale
Scale
StandarStandar
StandarStandar
Standar
dd
dd
d Glass 1A 2A 3A 4A
(1350-10%) Stainless Steel 1B 2B 3B 4B
(1355-5%) Sapphire 1C 2C 3C 4C
Carboloy 1D 2D 3D 4D
Tantalum 1E 2E 3E 4E
CalibrCalibr
CalibrCalibr
Calibr
atedated
atedated
ated Glass 1G 2G 3G 4G
(1350-5%) Stainless Steel 1H 2H 3H 4H
(1355-2% Sapphire 1J 2J 3J 4J
Carboloy 1K 2K 3K 4K
Tantalum 1L 2L 3L 4L
*Note: Code for No Float/No Scale = “ZZ”
Table 1-3 Tube and Float Code -
Seventh Digit in Model Code for Scale Configuration
Table 1-4 Tube and Float Code -
Eighth and Ninth Digit in Model Code for Scale Configuration
1-4
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 1 Introduction
1-3 Optional Equipment
Standard Needle Valve
The standard needle valve can be supplied integrally mounted to the inlet
or outlet of the instrument. For more details on the needle valve go to our
website: BrooksInstrument.com, select Documentation, Precision Valves
& Flow Controllers, select Brooks-Line IV, CART, 8503 or 8504 valves.
Flow Contollers
Flow controllers can be supplied integrally mounted to the inlet or outlet of
the instrument. For the flow controller's complete instruction manual go to
our website: BrooksInstrument.com, select Documentation, Precision
Valves & Flow Controllers, select FC8800, or FC8900.
Table 1-5 Capacities - Rib Guide Tubes, Spherical Floats for use with 1355G Series Only
Meter Tube Float Maximum Flow Rate*
Size No. Material Water (CC/Min) Air
Glass 0.59 50 SCC/M
Sapphire 1.1 79 SCC/M
R-2-15-AAAA G Stainless Steel 2.6 150 SCC/M
Carboloy 5.2 280 SCC/M
Tantalum 5.8 310 SCC/M
Glass 5.5 370 SCC/M
Sapphire 10 520 SCC/M
R-2-15-D G Stainless Steel 20 830 SCC/M
Carboloy 34 1200 SCC/M
Tantalum 36 1300 SCC/M
Glass 17 0.82 SLPM
Sapphire 26 1.0 SLPM
2 R-2-15-A G Stainless Steel 46 1.6 SLPM
Carboloy 70 2.4 SLPM
Tantalum 75 2.5 SLPM
Glass 53 2.3 SLPM
Sapphire 80 3.0 SLPM
R-2-15-B G Stainless Steel 130 4.6 SLPM
Carboloy 200 6.7 SLPM
Tantalum 210 7.1 SLPM
Glass 90 4.0 SLPM
Sapphire 130 5.2 SLPM
R-2-15-C G Stainless Steel 220 7.9 SLPM
Carboloy 340 11 SLPM
Tantalum 360 11 SLPM
Glass 210 9.5 SLPM
Sapphire 320 12 SLPM
R-6-15-A G Stainless Steel 540 18 SLPM
Carboloy 790 25 SLPM
Tantalum 840 26 SLPM
6 Glass 560 23 SLPM
Sapphire 820 29 SLPM
R-6-15-B G Stainless Steel 1300 43 SLPM
Carboloy 1900 60 SLPM
Tantalum 2000 63 SLPM
Air flows are at 14.7 psia and 70 Degrees F/1.01 Bar and 21.1 Degrees C
2-1
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
2-1 General
This section provides installation instructions for the Brooks
®
Sho-Rate
Models 1350G/1355G Flowmeters. Refer to Section 1 of this manual for
connections.
2-2 Receipt of Equipment
When the equipment is received, the outside packing case should be
checked for damage incurred during shipment. If the packing case is
damaged, the local carrier should be notified at once regarding his liability.
A report should be submitted to the nearest Brooks Instrument location
listed on the Global Service Network page on our website:
BrooksInstrument.com/GlobalSupportCenters
Remove the envelope containing the packing list. Carefully remove the
instrument from the packing case. Make sure spare parts are not discarded
with the packing materials. Inspect for damaged or missing parts.
2-3 Unpacking
Carefully unpack the meter and inspect it for any damage that may have
occurred during shipment. The flowmeters are shipped completely
assembled and tested. It should not be necessary to tighten or adjust any
of the parts when it is received.
2-4 Return Shipment
Prior to returning any instrument to the factory for any reason, visit our
website for instructions on how to obtain a Return Materials Authorization
Number (RMA #) and complete a Decontamination Statement to
accompany it: BrooksInstrument.com/Service. All instruments returned to
Brooks also require a Material Safety Data Sheet (MSDS) for the fluid(s)
used in the instrument. Failure to provide this information will delay
processing of the instrument.
Instrument must have been purged in accordance with the following:
2-5 Recommended Storage Practice
If intermediate or long term storage is required for equipment, as supplied
by Brooks Instrument, it is recommended that said equipment be stored in
accordance with the following:
• Within the original shipping container.
• Stored in a sheltered area, preferably a warm, dry heated warehouse.
Ambient temperature: 70°F (21.0°C) nominal, 110°F (43°C) maximum,
45°F (7.1°C ) minimum.
• Relative humidity 45% nominal, 60% maximum, 25% minimum.
2-2
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Upon removal from storage, a visual inspection should be conducted to
verify the condition of equipment is “as received”. If the equipment has
been in storage for an excess of two (2) years or in conditions in excess of
those recommended, all pressure boundary seals should be replaced and
the device subject to a hydrostatic/pneumatic pressure test to 150% of
rated pressure.
2-6 Installation
The flowmeter should be mounted within 6° of true vertical. The inlet
connection to the flowmeter is in the bottom end fitting. The connections
are normally horizontal, female NPT. Be sure the piping is adequately
supported to prevent undue strain on the meter.
2-3
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-1 Typical Flowmeter Installation
A - Inlet Valve B - Outlet Valve C - Bypass Valve
D - Control Valve E - Drain Valve
HORIZONTAL
LINE
DA
E
C
VERTICAL
LINE
B
B
A
E
FLOWMETER
C
D
FLOWMETER
It is recommended that a final leak test of the system plumbing and meter
be performed before subjecting it to process fluid.
(See "4-2 Reassembly Procedure" on p. 4-2, step 6)
Figure 2-2 Dimensions - Sho-Rate 1350G
2-4
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-3 Dimensions - Sho-Rate 1350G Panel Mount
Figure 2-4 Dimensions - Sho-Rate 1350G Bezel
2-5
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-5 Dimensions - Sho-Rate 1355G
2-6
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-6 Dimensions - Sho-Rate 1355G Panel Mount
2-7
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-7 Dimensions - Sho-Rate 1355G Bezel
2-8
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Section 2 Installation
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Figure 2-8 Dimensions - Model 1350G/1355G with Flow Controller
3-1
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 3 Operation
3-1 Operation
After the flowmeter has been installed in the flow system, it is ready for
operation. An optional built-in needle control valve may be provided to control
the flow through the flowmeter. These control valves are designed
for fine control. Excessive tightening may damage the valve seat and limit its
effectiveness as a control valve. If tight shut-off is required, it is
recommended that a separate shut-off valve should be installed in the line
immediately before the flowmeter.
Flow indication is measured using the center of the spherical float as the
reference point.
3-2
Brooks
®
Sho-Rate
TM
Models 1350G/1355G
Installation and Operation Manual
X-VA-1350G-eng
Part Number: 541B205AAG
September, 2017
Section 3 Operation
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Brooks 1350G/1355G Istruzioni per l'uso

Tipo
Istruzioni per l'uso