Advantages of Non-Pulsating Metering Pumps:

• Non-Pulsating Metering Pumps provide stable operation and precise dispensing across a broad application range. Their implementation significantly improves process safety, operational stability, reliability, and cost-effectiveness. By reducing manual intervention and operating costs, offering high energy efficiency, they are ideally suited for modern industrial requirements.

Features of non-pulsating metering pump:

• Stable, non-pulsating operation

• Oil-free, self-lubricated by the medium

• Precise metering

• Excellent performance with ±1% steady-state accuracy

• Wide range of applications, suitable for various working conditions

Wide Applications:

• Aerospace, chip low-temperature testing equipment, lithography machines, fire protection
• Various refrigeration systems, lithium battery and lithium battery separator production lines
• Methanol hydrogen generation systems, steam generators, medical equipment, pharmaceutical machinery,
• Food machinery, water treatment equipment, online sampling systems, high-precision metering systems,
• SCR systems, fresh air systems, waste heat recovery systems, laboratory equipment, various testing systems,
• Industrial / civil cleaning, various spray systems, and other high-precision fields.
  

Main Performance Parameters：

• Maximum Rated Flow: 0–6 L/min

• Inlet Vacuum: -0.85 Bar (speed dependent)

• Inlet/Outlet Pressure Difference: 6 bar (water as medium)

• Pump Body Pressure Rating: 30 Bar

• Operating Speed: 0–3000 rpm

• Pump Head Medium Temperature: -20–70 °C

• Pump Body Operating Ambient Temperature: 60 °C

• Continuous Operation Time: 24h × 365 days

• Inlet/Outlet Connection Thread: Standard NPT 1/8", other interfaces optional

Product Features：

• High Temperature Resistance
• High Pressure Resistance
• Wear Resistance
• Corrosion Resistance
• Low Noise
• Strong Self-Priming Capability
• Can Run Dry for Extended Periods
• Oil-free, self-lubricated by the medium
• Stable outlet pressure difference, non-pulsating

Standard Control Method：

• The metering pump drive control is a control board powered by 24V DC. It uses a square wave drive method. It can be operated via potentiometer or 4–20 mA signal, offering strong adaptability. Functions include overcurrent protection, undervoltage protection, overvoltage protection, etc. Connection interfaces are plug-in type for easy installation.
  

Intelligent Control Method：

• Digital HD Touch Screen
• Selectable local manual/auto, remote/local modes; remote transmission control and real-time display for intelligent control
• Accepts analog and pulse signal control
• Can be optionally equipped with Modbus RTU communication protocol for bidirectional communication, supports 485 communication
• Set target flow rate, automatic flow regulation, supports timed, quantitative, and cyclic dosing
• High regulation accuracy, high energy efficiency ratio. Optional flow meter with flow closed-loop correction function
• Steady-state accuracy between 30% and 100% of rated flow can reach ±1%
• Excellent performance, capable of handling complex dosing requirements

HZHD/OQ Series Non-Pulsating Metering Pump：

Series

Flow Rate

Note: Z: Intelligent Pump & Special Configurations

Main Component Materials:

Electrical Parameters:

       Outline Dimension Drawings: