https://www.macnaughtusa.com/Fluid/Flow-Meters
赞助Designed for Tough Conditions: Macnaught Flow Meters Deliver Durability & Reliability. Since 1964, Macnaught Has Designed and Manufactured Positive Displacement Flow Meters
Highly Accurate Readings · Get Quote Within An Hour · Great Customer Support
Types: Turbine Flow Meters, Digital Flow Meters, Oval Gear Flow Meters