Honeywell BK-G Diaphragm Gas Meter
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.
| Code | Connections | Size | Min 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:
- pulse unit and lead
- 1 inch BS746 x 1 inch BSP union – 2 required per meter
- 1¼ inch BS746 x 1 .1/4 inch BSP union – 2 required per meter
- 2 inch BS746 x 2 inch BSP union – 2 required per meter
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