The New HPNGV4 Series CNG Regulator incorporates the same robust design and manufacturing characteristics as the HPNGV2 Series, and offers improvements in value by offering an optional inlet sensor and/or solenoid (high pressure shut-off) integrally mounted into the regulator. Over a decade of service in the most demanding applications has proven the HPNGV Series Regulator is the choice for OEM vehicle, engine and fuel systems. Certified to ECE R110, the HPNGV Regulator is proven to be a safe and reliable pressure control element. Certifications and Approvals pending are for ISO15500, ANSI/AGA NGV3.1 and ARAI Type Approval AIS-037