Honeywell range of Diaphragm Gas Meters scale from the everyday domestic BK-G4 Gas Meter that you would find in most households, right up to the BKG100

Honeywell BK-G Diaphragm Gas Meter

ELSTER BK-G4 - 20mm   Theaded

ELSTER BK-G6 - 25mm   Theaded

ELSTER BK-G10 - 32mm   Theaded

ELSTER BK-G16 - 50mm   Theaded 

ELSTER BK-G25 - 50mm Theaded

ELSTER BK-G40 - 65mm   Flanged

ELSTER BK-G65 - 80mm    Flanged

ELSTER BK-G100 - 100mm   Flanged