Volumetric Rotary Piston Water Meter

Design Features

high precision brass and nylon volumetric rotary piston water meter

The volumetric rotary piston water meter is a high-accuracy mechanical positive-displacement water meter designed for residential and small commercial water metering. It operates on a proven rotary piston volumetric measuring principle, in which each fixed volume of water is precisely measured and accumulated, ensuring accurate total consumption regardless of flow rate variations. Compared with velocity-type water meters, this type offers excellent performance at low and intermittent flow rates, with a very low starting flow and high sensitivity to small consumption. It effectively prevents under-registration and is especially suitable for households, apartments, and multi-unit buildings, making it widely used in markets with high metering accuracy requirements.

Technical Specification

Metalsin‘s volumetric rotary piston water meter is available in DN15, DN20, and DN25 sizes and can be supplied with two body material options: brass body and nylon body, allowing users to select the most suitable solution based on application and cost requirements. The meter complies with international standards such as ISO 4064 and MID (MI-001), with metering classes up to Class C / R160 or higher, providing a wide measuring range and long-term measurement stability. Featuring a compact design and a register separated from the measuring water, the meter ensures clear and reliable readings over its service life. Optional configurations such as pulse output, RS485 communication, and remote reading modules are available to support AMR/AMI systems, making the Volumetric Rotary Piston Water Meter a reliable and high-precision mechanical metering solution for modern water management applications.

High-quality high precision blue-painted brass body volumetric rotary piston water meter