The OVAL NPI45B30 1157CC is a high-precision nutating piston type positive displacement flowmeter. Renowned for its accuracy and durability, this meter is designed for a wide range of fluid measurement applications, from water and hot water to fuel oils and chemical solutions. Its simple yet robust construction, featuring a single moving part (the piston), ensures minimal wear and a long service life with sustained accuracy. The NPI series is a reliable choice for custody transfer, batching, and process control where precise liquid volume measurement is critical. This specific model features a bronze body and an electronic pulse transmitter for easy integration into digital control systems.