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Whessoe S.A. specializes in tank gauging systems for LNG and LPG
applications. LNG has evolved into a major source of energy for
the future, and Whessoe S.A. can supply your site with the only
turnkey LNG tank gauging and storage management system available.
Through Whessoe's LNG Master (sold under license by Gaz de France),
Whessoe can offer dramatic cost savings through proper LNG stratification
management.
Whessoe S.A. also manufactures unique "in-tank" LPG safety
shutoff valves that insure that your safety shutoff valves remain
intact and operational, even in the event of an accident that damages
or destroys piping, valves and controls that are external to the
tank.
Whessoe S.A. LNG
Tank Gauging and Management Systems
 Safety
LNG is a "dynamic" liquid. If not controlled, it can generate
a dangerous situation
Inventory management
Storage of LNG is a business. Exact data on mass contents are imperative
Cost control
Reliable, accurate data helps operators to take sound operational
decisions that directly impact the business results.
Whessoe S.A. is the world's dominant supplier of LNG tank gauging
systems, offering the only complete, turnkey LNG tank gauging solution
available. LNG densities and temperatures, LNG liquid levels, tank
temperature probes and LNG leak sensors are all monitored on a fully
redundant "LNG Manager" communications platform providing
full system information and management capabilities to the operators.
"LNG Master", developed by Gaz de France, provides LNG
stratification management and roll-over prediction that allows operators
to utilise stratification as a tool to reduce LNG boil-off and dramatically
reduce LNG storage operating costs!
Model 1146 LTD Servo Gauge
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Monitors LNG density/temperature at multiple levels
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0 - 65 meter operating range
with 250 datapoints |
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High accuracy, repeatability
and reliability |
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Designed for continuous automatic
operation |
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Full redundancy: dual loop
and multiple control stations |
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Tape material: SST.316l, Tefzel
coated |
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Automatic tape contraction
compensation |
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Low service requirement |
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Single control platform |
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Warranty - 3 years |
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Saves energy |
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Directly linked to your DCS
system |
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Low installation/wiring cost
- just 5 cores, no marshalling cabinet required |
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ATEX Certified Zone 1, CSA/UL
Pending |
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Model 1143 Cryogenic Servo Level
Gauge
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Small and compact
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Easy to Install (5 cores: power, ground, signal)
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indication of: |
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Level (local and remote)
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Temperatures
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Diagnostics
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Servo only operates at true level changes
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Communication: HART®/RS 485/20 ma loop/MS
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Sensing head stows within gauge itself
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Integrated inspection window
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Easy calibration, easy maintenance
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On-board diagnostics
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Tape material: SST.316l, Tefzel coated
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Automatic tape contraction compensation
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ATEX Certified Zone 1, CSA/UL Pending
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Model 1645 Temperature/Pressure
Transmitter
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Handles up to 16 RTDs
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Highly accurate
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Handles up to 3 pressure signals
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Communication via RS 485
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Wiring - only 4 cores
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Tank top or bulk head mounting
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Microprocessor based
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Simple / durable
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ATEX Certified Zone 0, CSA/UL Pending
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 LNG
Master Stratification Management Software
Developed by Gaz de France to optimise the handling of LNG
storage in terms of safety and cost reduction through:
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Prediction of LNG ageing
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Best assessment of LNG tank filling operations
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Prediction of stratification evolution and roll-over
phenomenon
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Coupling of boil-off rate with the operating pressure
and its variations
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Taking into account tank and site gas recovery and
safety devices (compressors, flare, safety valves, rupture
disk)
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Specification of operating scenarios for the pressure,
unloading of carriers, site emission and LNG transfer
between tanks
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Model 2047 High Pressure LPG Float
Gauge
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High pressure float gauge for service up to 2 M Pa
(20 bar)
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High level accuracy (+/- 1 mm) with integrated multifunction
transmitter
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Measuring range: 25 metres
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Roof reading installation
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Ambient operating temperature: -40°C to +85°C
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Gauge head alone can be used to retrofit existing
installation
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| Standard
input for: |
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External spot temperature element
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External intrinsically safe pressure transducer
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| Options
available: |
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Two independant and redundant data loops
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Four NO or NC alarm switch from relays
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| Communication: |
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Up to two independent and redundant
field bus
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Optional lightning protection
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Many types of field bus protocol
available
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LPG "In-Tank" Safety
Shutoff Valves
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Mounted within and "protected" by the tank
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Combined flow check/safety shut-off valves
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Bubble tight shut-off
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External valve position indication
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No external actuator or linkage
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Easy to install
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No maintenance required
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Manual and Hydraulic actuation via fusible plugs
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Mount in any position
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Available for most LPG requirements
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Model 1216 Portable
LPG Gauge
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Holds tank data of up to 100 tanks, pre-entered and
stored in internal non- volatile memory
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Automatic tank recognition (each tank has a unique
transponder)
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User selectable engineering units
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Direct level measurement (ullage or innage)
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Temperature measurement of up to 20 spots (displays
single spots and average)
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Interface measurement
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Data readout on the backlit, LCD display / touch pad
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Accurate, reliable measurement (if not measured accurately,
data is not registered)
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PC software to download, record, display and print
all data
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Tape is repairable on site
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User friendly menu by simple icons on LCD display /
touch pad
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Download
PDF document here