ISO 9001:2015 Certified · Made in USA
Precision Flow Meters for Critical Applications
From 0.005 ml/min to 500 L/min — the widest range of positive displacement flow meters. Trusted by aerospace, automotive, and chemical processing engineers worldwide.
50+
Years Experience
100,000+
Flow Meters Shipped
40+
Countries Served
Our Products
Flow meter technologies
Four precision solutions, one mission: accurate flow measurement for your most critical applications.
Piston Flow Meters
High-precision radial piston design for accurate low-flow measurement. Ideal for fuel consumption testing, laboratory applications, and R&D.
Flow Range
0.005 cc/min – 35 L/min
Accuracy
±0.2%
Typical Viscosity Range
Gear Flow Meters
Robust spur gear technology for demanding industrial applications. Perfect for oils, fuels, chemicals, and viscous fluids.
Flow Range
0.5 cc/min – 240 L/min
Accuracy
±0.3%
Typical Viscosity Range
Helical Flow Meters
Advanced helical gear design for high flow rates and high-viscosity fluids. The choice for critical high flow dispensing applications.
Flow Range
100 cc/min – 500 L/min
Accuracy
±0.2%
Typical Viscosity Range
Water Flow Meters
Stainless steel positive displacement meters engineered to measure aqueous solutions with exceptional accuracy. Designed for RO antiscalant, defoamers, anti-corrosives, sterilization chemicals and more.
Flow Range
1 – 2,000 cc/min
Accuracy
±0.4%
Typical Viscosity Range
Trusted Worldwide
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Why Max Machinery
Precision you can count on
Max Machinery is the trusted choice for engineers who demand accuracy, reliability, and expert support.
Unmatched Precision
Precise machining and industry leading resolution deliver pinpoint accuracy you can count on.
Wide Flow Range
From micro-dispensing at 0.005 cc/min to high-flow applications at 500 L/min. One supplier for all your flow measurement needs.
Application Expertise
59+ years solving complex measurement challenges in aerospace, oil & gas, automotive, and chemical processing industries.
Built to Last
Designed and manufactured in the USA with ISO 9001:2015 certified quality. Our meters are built for decades of reliable service.
Family Owned
Precision engineering since 1967
For over 59 years, Max Machinery has designed and manufactured precision flow meters in Healdsburg, California. Our commitment to quality and innovation has made us the trusted choice for engineers worldwide.
Every meter we build reflects our dedication to accuracy, reliability, and customer service. From R&D to production, we control every step of the manufacturing process to ensure the highest quality standards.
Industries We Serve
Trusted across industries
From aerospace testing to chemical processing, Max flow meters deliver reliable measurement in the world’s most demanding environments.
Aerospace
Fuel flow measurement, hydraulic testing, and R&D applications for aircraft and spacecraft systems.
Oil & Gas
Odorant injection, chemical injection and process control in upstream, midstream, and downstream operations.
Automotive
Engine fuel consumption testing, brake system testing, transmission fluid flow, and electric vehicle thermal management.
Chemical Processing
Precise chemical dosing, batch processing, and continuous flow monitoring for critical processes.
Water & Wastewater
Treatment chemical injection, process water monitoring, and environmental compliance measurement.
Manufacturing
Adhesive dispensing, coating applications, and precision fluid control in production lines.
Contact us
Not sure which meter is right for you? Our application engineers are here to help you select the perfect solution.