RESULTS: Fail-closed safety feature ensures shut-off of flow to protect the system. Operations crew is able to switch to backup with minimal impact on gas supply. Improved safety feature allows response time in event of an alarm situation. APPLICATION Natural gas gate station pressure regulation. CUSTOMER Public energy utility in Midwest. CHALLENGE Since the 1950s, this natural gas gate station has taken a twostage cut, first reducing pipeline pressure with a regulator and relief valve combination set at 350 psig, followed by another regulator and relief valve controlling the pressure at 100 psig for one of the two local distribution.