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BK-G4 Credit Meter with 1″ BS746 Connections



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The residential diaphragm gas meter BK-G4 meet the highest demands with respect to accuracy of measurement and safety. It incorporates both innovative features and gas measurement know-how of many decades. The BK-G4 is supplied in folded form as co-axial and two-pipe version.
The stroke of the diaphragms is pneumatically stopped and therefore ensures both low bearing loads and a quiet operation. The synthetic diaphragm is dimensionally stable and stadium shaped.
High-grade materials and components as well as the patented curve K-System ensure a high quality standard. The K-System perfectly coordinates the movement of the valves with the actual gas flow to the measuring chambers. This ensures excellent linearity even with utilizing small valves.
Due to the optimised slides, Qmin of BK-G4 is stable and the gas meter is not susceptible to contamination (RPF 0.65 to BS4161). The measuring unit is adjusted by a patented needle-and-scale system. Although the design of the BK-G4 is very robust, the gas meters are still measuring instruments and as such should be handled with care.
Key Features
• MID conformity approved by PTB
• Approved to EN 1359 by German DVGW
• EU Approval by German PTB
• Flow rates from 0.04 m3/h to 6 m3/h
• Cyclic Volume 2 liters
• Firesafe (HTB) up to 0.1 bar according to
EN 1359
• Maximum working pressure 0.5 bar
• High accuracy and long-term stability
• Powder coated pale grey to RAL 7035
• Standard pulse magnet;
retrofitable LF pulser (l=0.01 m3/pulse)
• Not susceptible to contamination
(RPF = 0.65)
• Temperature range:
Standard: -10 °C to +40 °C,
other temperatures on request
• Temperature compensation available
• Intelligent index technology,
Chekker system, Absolut-ENCODER and
radio applications
Delivery Information


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STANDARD – 2 to 5 Business Days – £7.50

FREE DELIVERY – 2 to 5 Business Days – Orders over £60.

NEXT DAY – Next Business Day – £10

Orders must be placed before 4pm for Next Day Delivery (next working day, Mon-Fri).

Next Day orders placed between 4pm Thursday and 4pm Friday will be dispatched on Friday for delivery to you on Monday. Next Day orders placed between 4pm Friday and 4pm Monday will be dispatched on Monday for delivery to you on Tuesday (all Mondays excluding Bank Holidays).

You will find your packages in safe hands with our courier partner UPS.


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