Zahroof Valves Inc. (ZVI) has secured Series C funding for a next phase of expansion from Saudi Aramco Energy Ventures and existing investor NGP Energy Technology Partners. According to ZVI, the company’s Straightflo Valve’s patent provides a 10% improvement in valve efficiency and a 50% increase in service intervals. It is intended as a direct “drop-in” replacement for all manufacturers’ compressor valves and can be operated in most compression applications, including natural gas gathering, production, transmission and storage; compressed natural gas; FPSOs; and carbon dioxide enhanced oil recovery.