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Precision Flow Instruments & Metering Pumps Manufacturer

GN Flow Meter is a professional flow instruments and water pumps supplier in China since 2008. We specialize in high-quality, high-accuracy, high-frequency, high-temperature, high-pressure, and wide-range flow meter R&D.

Flow Meter Systems

About GN Flow Meter

Founded in 2008 and located in Shanghai Songjiang Industrial Park, GN Flow Meter integrates R&D, production, and sales as a professional manufacturer of microfluidic measurement and control instruments.

Factory and R&D

Trusted Since 2008

With over 15 years of experience, we are committed to providing reliable and effective measurement solutions for industries including petrochemical, water treatment, pharmaceuticals, food & beverage, and more.

Our mission is to deliver high-accuracy, durable, and customizable flow measurement and pumping systems with global certifications and OEM/ODM/OBM support.

  • ISO & GS Certified
  • 1-Year Warranty
  • Custom OEM/ODM Solutions
  • Global Export to 50+ Countries

Our Core Products

High-precision flow meters, pumps, and analytical instruments for industrial applications.

Micro Oval Gear Flow Meter

Micro Oval Gear Flow Meter

Model: CX-M | Medium: Water, Diesel, Oil, Chemicals

  • Accuracy: 0.5%
  • Power: 4-26VDC
  • Output: 4-20mA / Pulse / RS485
  • Material: 316L / Aluminum
  • Protection: IP65 / IP68
Circular Gear Flow Meter

Circular Gear Flow Meter

Model: CX-G | Medium: Resin, Glue, Polyurethane

  • Flow Range: 0.004–120 L/min
  • Accuracy: 0.5%
  • Pressure: Up to 400 bar
  • Temp: -30°C to 80°C
  • Output: Pulse / 4-20mA / RS485
Gas Mass Flow Controller

Gas Mass Flow Controller

Model: CX-GMFM-CXB | Gas: Air, H₂, N₂, etc.

  • High Accuracy: ±1% of reading
  • Control Range: 0–100% F.S.
  • Response Time: <1s
  • Output: Analog / Digital
  • Warranty: 1 Year
Coriolis Mass Flow Meter

Coriolis Mass Flow Meter

High-precision direct mass flow measurement

  • Accuracy: ±0.1% of rate
  • Density Range: 0.5–5 g/cm³
  • Temp Range: -50°C to 200°C
  • Output: 4-20mA, RS485, HART
  • Material: 316L Stainless Steel
Electromagnetic Flow Meter

Electromagnetic Flow Meter

Ideal for conductive liquids

  • Line Size: DN10–DN1200
  • Accuracy: ±0.5% of reading
  • Lining: PTFE, Rubber, Ceramic
  • Electrode: 316L, Hastelloy, Ti
  • Protection: IP67 / IP68
Ultrasonic Flow Meter

Ultrasonic Flow Meter

Non-invasive clamp-on or inline

  • Measurement: Liquid & Gas
  • Accuracy: ±1% of reading
  • Temp Range: -40°C to 160°C
  • Output: 4-20mA, Pulse, MODBUS
  • Power: 24VDC or 220VAC
Gear Metering Pump

Gear Metering Pump

Precise chemical dosing & transfer

  • Flow Rate: 0.1–100 L/min
  • Pressure: Up to 20 bar
  • Material: Cast Iron, SS316
  • Drive: Electric, Pneumatic
  • Seal: Mechanical or Magnetic
Thermal Gas Mass Flow Meter

Thermal Gas Mass Flow Meter

For air, natural gas, compressed air

  • Range: 0.1–1000 Nm³/h
  • Accuracy: ±1.5% of reading
  • Temp Compensation: Built-in
  • Output: 4-20mA, RS485
  • Pipe Size: DN15–DN100

Why Choose GN Flow Meter?

High Accuracy

Our instruments offer precision from ±0.1% to ±0.5% for reliable data and process control.

OEM/ODM Support

Custom designs, branding, and technical integration available for global partners.

Global Delivery

Fast shipping to over 50 countries with reliable logistics and documentation.

1-Year Warranty

Comprehensive support and replacement guarantee for all products.

15+
Years Experience
50+
Countries Served
1000+
Products Available
200+
Global Clients

Frequently Asked Questions

What is the warranty period for your flow meters?

All GN Flow Meter products come with a standard 1-year warranty covering defects in materials and workmanship.

Do you offer OEM/ODM services?

Yes, we provide full OEM, ODM, and OBM support including custom design, labeling, packaging, and technical integration.

Can I get a sample before bulk order?

Yes, sample orders are available for most products. Contact us for pricing and lead time.

What certifications do your products have?

Our products meet GS, CE, and ISO standards. Custom certifications can be arranged upon request.

Contact Us

Have questions or need a quote? Reach out to our team for expert support.

Phone

+86 18930647859

WhatsApp

+86 18930647859

Address

Room 402 Shuangzi Building B, Caohejing Hi Tech Park, No. 650 Xin Zhu Road, Songjiang District, Shanghai, China, 201601

Contact Person

Kenny Shao

Visit Official Website to Contact

For inquiries, product support, or quotes, please visit our official site.

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