SF6-gas handling and measuring devices

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41. Measuring the gas quality

with a multi-function device (3 in 1)• Decomposition products• SF6 volume percentage• Dew point temperature

The measuring gas is collected in an internal storage tank and is pumped back in the gas compartment after measurement.The measured values can be stored in the device.

2. Recovery of contaminated gas, preparation and storage in liquid or gaseous form.

3. Registration of the SF6-gas quantity recovered (monitoring).

4. Measurement of the prepared gas (see item 1).Collecting the measuring gas and pumping it back in the storage tank.

5. If the purified SF6-gas does not exceed the limit values of the IEC 60480 directive it is allowedto be reused.

SF6-emissions should be avoided – wherever possible!

DILO concept for the reuse of SF6-gas

“State of the art” SF6-gas handling

Mini and Piccolo Series

The Mini series is only recommended for the treatment of small gas quantities• for liquid and gaseous storage• portable as individual components• with transport cases

Vacuum compressor unit

Compressor unit

Vacuum pump unit Pre-filter unit

Operating panel• for Mini series Mini Series B143

• for liquid storage

• mounted as mobile unit

• with touch panel

Piccolo Series B052• combined unit

for liquid and gaseous storage

• with removable vacuum pump unit

Service devices for SF6-gas handling

Compact Series B057 / B058• for liquid and gaseous storage• available in different tank sizes• oil-free recovery of SF6 down to 50 mbar

Economy Series L057• operation and indication

of the most important process parameters via 10" touch panel

• for simple, trouble-free gas handling• for liquid storage• available in different tank sizes• oil-free recovery of SF6 down to 1 mbar

Mega Series L170• operation and indication

of the most important process parameters via 10" touch panel

• for simple, trouble-free gas handling• suitable for large gas quantities• DN20 and DN40 connections• for liquid storage• available in different tank sizes• oil-free recovery of SF6 down to 1 mbar

Economy Series B120• with automatic process control• for simple, trouble-free gas handling• for liquid and gaseous storage• available in different tank sizes• oil-free recovery of SF6 down to 50 mbar

or down to 1 mbar

MegaSeries B2000• with automatic process

control• for liquid SF6-storage• suitable for large gas quantities• DN20 and DN40 connections• available in different tank sizes• oil-free gas recovery down to 1 mbar

Mega Series L280 / L550• operation and indication of the most important

process parameters via 10" touch panel• equipped with VTOG compressor (L280) resp.

WTOG compressor (L550)• for simple, trouble-free gas handling• suitable for handling of very large gas quantities• DN20 and DN40 connections• for liquid storage• optionally available with 300 l pressure tank• oil-free recovery of SF6 down to 1 mbar

NEW

Service devices for SF6-gas handling

Different service cart versions• trailer-mounted• for mobile use• stowage for 3–5 SF6 bottles• stowage with weighing device

for 3–5 SF6 bottles

Gas handling plants• for the fabrication of

switchgear or• for SF6-filled accelerators• with automatic control• with high suction capacity

(oil-free gas recovery downto 1 mbar)

SF6/N2-separating plant• for preparation of SF6-gas/

air mixtures with a 40 % - 98 % SF6-content

• automatic process control

SF6 leakage test unit for integral leakmeasurement of SF6 components orassembly units• highly sensitive leak measuring

system with < 1 ppb detection limit• vacuum chamber with diffusion

accelerator• vacuum chamber feasible up to

a volume of 4 m3

• automatic testing process• can be adapted acc. to customers’

requirements

NEW

Small devices and accessories

SF6-accessories

To complete the production program for SF6-gas the following accessories are available:

• couplings and valves with the well-proven DILO metal to metal seal principle, absolutely pressure and vacuum tight

• SF6 working protection kit for correct handling of contaminated SF6-gas

• SF6 bottle heater for emptying gas bottles

Portable Mobile vacuumpre-filter unit pump unit

available with a40 m3/h, 63 m3/h, 100 m3/h or 200 m3/hvacuum pump

Mass flow measuring systemAccuracy: 0.5 % ± 0.1 kg/hInput pressure: up to pe 50 bar

Separate storage tanks• available in

different sizes• for gaseous

storage up to 25 bar• for liquid storage up to 50 bar

Evacuating and refillingdevice for evacuation of air and refilling ofSF6-gaswith 16 m3/h vacuum pump

Series of measuring devices

SF6 warning deviceAlarm set: at 2.0 vol.-% SF6/airMeasuring accuracy: ± 0.5 vol.-% SF6-shareAvailable with Multiplexer for up to max. 6 measuring points

Portable SO2 measuring devicehigh resistance against contamination and SF6 decomposition productsMeasuring ranges: 0 – 20 ppmv

0 – 100 ppmv0 – 500 ppmv

SF6 Network Monitorfor monitoring the air of indoor SF6 plants,indication of the measured value via LED’sMeasuring principle: NIC®-detectorMeasuring range: 500 up to 2000 ppmv

SF6 Multi-Analyserwith / without gas return systemallows to determine the three most impor-tant parameters for reuse of SF6-gas withonly one measurement:• SF6 concentration (%)• Moisture concentration• SO2 concentration (ppmv)

SF6 Analyser 973measurement of humidity and purity in SF6-gas insulated switchgear

Series of measuring devices

SF6-gas leak detectorMeasuring principle: Ion-vacuum principleSensitivity: 14 g SF6/year

Discharge gas collection unitand gas return unitfor storage and reclaiming of SF6 measuring gas

SF6 volume percentage measuring deviceMeasuring media: SF6/N2- or SF6-/air gas mixtureMeasuring range: 0-100 volume-% SF6Measuring accuracy: ± 1 volume-% for

SF6/N2-gas mixture or SF6-/air gas mixture

Operating pressure: pa = 1.7 up to 10 bar

Measuring devicefor decomposition products for• SO2 Sulphur dioxide• Hydrogen fluoride HF• Oil mist

Portable moisture measuring deviceMeasuring range: -50 °C – +10 °C dew pointMeasuring accuracy: ± 4 °CMax. input pressure: pe 10 bar

DILO quality products

Our devices can be adapted to meet the customers’ requirements

SF6-gas quality measurement

Recovery and reuse of SF6-gas

Safe and reliable SF6-gas handling

Easy and user-friendly operation

Armaturen und Anlagen GmbHFrundsbergstrasse 36D-87727 BabenhausenGermany

Phone: +49-(0)8333-302-0Telefax: +49-(0)8333-302-52E-Mail: info@dilo-gmbh.deInternet: www.dilo-gmbh.de

For more detailed information and documentation on our product range pleasecontact DILO directly or our corresponding agents.

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High quality is also guaranteed forour wide range of . . .

High pressure tube unions

SF6-valves and couplings

We are your partner for the best solutions!

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