Regulators of low pressure series are available in several different configurations and connectors size. They are made, as well as the meter for which they are intended, in line and coaxially version. Lower pressure lock (LPCO) can be ordered optionally. Alternatively, these controllers can be equipped with a system to stop the flow due to gas leakage. Regulators are fire-resistant and approved in accordance with the standards and DVGW VP 200.