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Elster Diaphragm Gas Meters | UK Distributor

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.

 Stockshed Part No. Connections Size Minimum Flow m3/hr Maximum Flow m3/hr
BK-G4 BS 746 1" 0.04 6
BK-G6 ISO 228 1 1/4" 0.06 10
BK-G10 BS 746 1 1/4" 0.1 16
BK-G16
BS 746
2" 0.16 25
BK-G25
BS 746
2" 0.25 40
BK-G40 PN 16 2 1/2" 0.4 65
BK-G65
PN 16
3" 0.65 100
BK-G100
PN 16
4" 1 160
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