Johnson Electric  announces the Saia-GMP line of shut-off valves for pre-paid gas meters. The patented ball valve technology utilized in the Saia-GM product line has zero pressure drop resulting in higher grid efficiency. The product line has a very low discharging current which doubles the battery life and operating cycles. The valve is designed to meet EN 60079-11 for intrinsic safety and ATEX zone 1 and 2 compliance. Product options include valve position sensing and customization for any meter configuration.