Gilflo ILVA Flowmeters - for steam, liquids and gases control & instrumentation
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control & instrumentation solutions Gilflo ILVA Flowmeters for steam, liquids and gases E X P E R T I S E S O L U T I O N S S U S T A I N A B I L I T Y
G i l f l o I L V A Gilflo ILVA Flowmeters for steam, liquids and gases Gilflo ILVA Flowmeters will help you implement cost reduction by accurately metering the energy you use. This can lead to improved profitability and a reduction in your carbon footprint. The Spirax Sarco Gilflo ILVA Flowmeter is perfectly suited for use with most industrial fluids including steam, gases and liquids. The benefits of flowmetering Of all the costs your company can control, your energy bill is one of the largest. With the high cost of fuel, it is increasingly important to accurately meter the energy you consume - because the better you understand how and where you use your energy, the easier it is to manage and effectively control. Spirax Sarco can offer you a range of flowmetering technologies to suit every application so you always have the correct solution for your plant.
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The benefit of high turndown The benefit of compact installation
Due to its profiled cone and spring, the Gilflo ILVA is The Gilflo ILVA profiles the flow, which allows installation
able to measure from full flow down to very low flowrates when only very short upstream and downstream pipe lengths
with a turndown of 100:1. This means that the ILVA are available. It achieves this by flattening the profile of
continues to measure where other technologies with the flow stream as it enters and leaves the flowmeter (see
a lower turndown cannot. With the ILVA, off peak and diagram below).
low demand flow is metered just as accurately as
higher flowrates. This gives the benefit that the true flow
measurement, and therefore costs are known.
Turndown ratio comparison
of flow technologies on
saturated steam
The compact wafer design of the Gilflo ILVA flowmeter also
Measuring from minimum to maximum
means that its installed length is much shorter than almost
flowrates (turndown).
any other technology. It can be installed close to pipe bends,
valves or other components that would prevent other types of
Gilfo
Typically 100:1 continuous ILVA flowmeter being fitted, as shown in the diagram below.
Typically up to 15 with flow Vortex
velocity of 35 m /s
20D 7D
Typically 7:1 Averaging
pitot Orifice
plate Flow
10D 5D
Typically 4:1 Orifice
Vortex
Flow
10 20 30 40 50 60 70 80 90 100
Turndown ratios with steam velocities limited to 35 m/s 7D 4D
Averaging
pitot Flow
6D 3D
Gilflo D = Pipe diameter
ILVA Flow
G i l f l o I L V A The Gilflo ILVA - expertly engineered for unrivalled performance The Gilflo ILVA flowmeter - at a glance Range availability: • Sizes DN50 (2”) to DN300 (12”) • All stainless steel 316L body construction • Pressure rating to match flange specifications • Temperatures up to 400°C Applications: • Cost metering for energy management • Custody transfer • Process and control applications • Boiler load control Commonly metered fluids: • Saturated steam • Superheated steam • Condensate • Natural gas • Nitrogen • Carbon dioxide • Compressed air • Ethylene • Fuel oil Some products may not be available in certain markets.
spiraxsarco.com Self-alignment tabs for guaranteed correct installation Over-range stop prevents damage from surges or excessive flows Highly stable precision alloy spring operates up to 400°C without loss of performance Precision cone profiles the flow giving unrivalled 100:1 turndown, for more accurate flow measurement Wafer design is lighter, quicker and easier to install and is therefore more cost effective
G i l f l o I L V A
DN250 and DN300 Gilflo ILVA Flowmeters now come with a compact stem
The wafer design of Spirax Sarco’s Gilflo ILVA Flowmeter requires less space when ordered with the compact stem.
The compact stem directly connects the Gilflo ILVA and the DP transmitter which saves on both installation time and cost when
compared to installations using impulse lines. This reduces plant downtime, lowering costs and impacting less on productivity.
Compact Stem replaces traditional impulse
lines reducing installation complexity
Simple bolt-together assembly
reduces installation time and cost
Differential pressure and static pressure
measured to supply mass flow without
need for additional instrumentation
The Gilfo ILVA is just one of a comprehensive range of products that
have been developed by Spirax Sarco to meet the needs of their
customers.
spiraxsarco.com
Features Benefits
Enables metering of low flow rates effectively to help
High accuracy (+/-1% of reading) and unequalled turndown
manage costs and accurate measurement providing better
range up to 100:1
awareness of energy usage and efficiency
Very compact installation, requires only six pipe diameter Enables installation where not previously possible with
upstream and three downstream minimal disruption
A compact stem version is now available for
Reduced cost and time to install – less downtime
DN250 and DN300
Lower total cost of ownership – reduced maintenance and
Robust, well proven product technology
costs, improved reliability
temperature transmitter Gilflo ILVA
• Flow computers provide information on flow,
pressure and temperature.
• Full density compensation.
isolation valves • Linearisation of Gilflo signal.
pressure
transmitter
differential
pressure
transmitter
flow
1 2 3
computer
ALARM
REC
USB
4 5 6
7 8 9
0
To find out more about our full range of flowmetering products visit
spiraxsarco.com.
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Spirax-Sarco Limited, Charlton House, Cheltenham,
Gloucestershire, GL53 8ER, UK
T +44 (0)1242 521361
F +44 (0)1242 573342
E enquiries@uk.spiraxsarco.com
SB-P337-07 MI Issue 8 © Copyright 2013 Spirax Sarco is a registered trademark of Spirax-Sarco Limited
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