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MWA Technology
MWA Technology Limited, Offices & Workshop,
2 Wharton Street Ind. Est., Birmingham, West Midlands, B7 5TR

+44 (0) 121 327 7771

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Elster Diaphragm Meters

BK/G4 - BK/G100
Elster Diaphragm Meters available at MWA Technology
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Elster

Elster Diaphragm Meters

BK/G4 - BK/G100
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Diaphragm meters are displacement meters where the flow channels are designed to guarantee optimum flow conditions and a low pressure loss. They are suitable for measuring natural gas and a variety of technical gases at up to 0.5 bar. The approved gas temperature range is -20°C to +50°C. The diaphragm meters BK-G4 up to G100 are available with a pulse output option. This allows to retrofit a low-frequency pulser of the IN-Z61 type.
All of the meters are approved for custody transfer measurement by the German PTB and to EN 1359 by German DVGW.

Domestic Diaphragm Meters BK-G4 to BK-G6
These meters are available in co-axial or two-pipe versions. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy and allows the possibility of including mechanical temperature correction.

Commercial Diaphragm Meters, BK-G10 to BK-G25
These compact meters are available in co-axial or two-pipe versions with a pressed steel housing. The measuring unit operates on the principle of pneumatic control. This guarantees low noise, long-term stability and high accuracy.

MWA Code Connections Size Max
m³/hr
Max
m³/hr
BK-G4 BS746 1″ 0.04 6
BK-G6 BS ISO7 1″ 0.06 10
BK-G10 BS746 1¼” 0.1 16
BK-G16 BS746 2″ 0.16 25
BK-G25 BS746 2″ 0.25 40
BK-G40 PN16 2½” 0.4 65
BK-G65 PN16 3″ 0.65 100
BK-G100 PN16 4″ 1 160

Options

MWA Code Description
INZ61WC pulse unit and lead
CON1 1 inch BS746 x 1 inch BSP union – 2 required per meter
CON1¼ 1¼ inch BS746 x 1 .1/4 inch BSP union – 2 required per meter
CON2 2 inch BS746 x 2 inch BSP union – 2 required per meter

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