Flow Meters: M123, M335, M350 for accurate flow measurement

Technical Specifications

Parameter M123 M335 M350
Measuring Range (H₂O l/h) 50 – 1,500 50 – 60,000 50 – 60,000
Accuracy Class Class 4 (per VDE/DIN 3513) Class 4 (per VDE/DIN 3513) Class 4 (per VDE/DIN 3513)
Pressure Loss (mbar) 22.84 22.84 – 47.24 22.84 – 47.24
Materials PA, PSU, PVC, PVDF PA, PSU, PVC, PVDF PA, PSU, PVC, PVDF
Temperature Range (°C) 0 – 60 (PVC); 0 – 100 (PVDF) 0 – 60 (PVC); 0 – 100 (PVDF) 0 – 60 (PVC); 0 – 100 (PVDF)
Connection Types Adhesive Socket, Threaded Adhesive Socket, Fusion Socket Adhesive Socket, Fusion Socket
Dimensions DN10-DN25 (d16-d32) DN25-DN65 (d32-d75) DN25-DN65 (d32-d75)

Chemical Compatibility

The flow meters are resistant to a wide range of chemicals. Below is a sample compatibility chart:

Chemical Concentration PVC PA PSU PVDF
Phosphoric Acid <75% ✓ – ✓ ✓
Sulfuric Acid <78% ✓ – – ✓
Nitric Acid <58% ✓ – – ✓
Hydrochloric Acid <36% ✓ – ✓ ✓
Sodium Hydroxide <40% ✓ O ✓ –
Hydrogen Peroxide <35% ✓ – ✓ O

Key:

  • ✓: Recommended
  • O: Conditionally Recommended
  • -: Not Recommended

Dimensions

M123

Measuring Range (H₂O l/h) DN d L (mm) Z (mm) Lm (mm)
50 – 500 DN10 16 335 – 345
100 – 1,000 DN15 20 335 – 345

M335 / M350

Measuring Range (H₂O l/h) DN d L (mm) Z (mm) Lm (mm)
50 – 500 DN25 32 335/350 – 345
3,000 – 30,000 DN65 75 335/350 – 407/422
Category

Flow Meters: M123, M335, M350 for accurate flow measurement

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The M123, M335, and M350 flow meters are high-quality plastic devices designed for accurate flow measurement in closed pipeline systems. These meters utilize the float principle, where the medium flows vertically through the meter, raising a float that indicates the flow rate on a calibrated scale.

  • M123: Compact version for lower flow rates.
  • M335 & M350: Extended models designed for broader flow ranges with enhanced customization options.

Features

  • Measuring Ranges:
    • M123: 50 – 1,500 l/h
    • M335: 50 – 60,000 l/h
    • M350: 50 – 60,000 l/h
  • Materials: Available in corrosion-resistant options such as PA, PSU, PVC, and PVDF.
  • Operating Pressure: PN10 (10 bar at 20°C).
  • Temperature Range:
    • PVC: 0 – 60°C
    • PSU: 0 – 90°C
    • PVDF: 0 – 100°C
  • Special Adhesive Scales for liquid and gaseous media.
  • Accessories:
    • Limit value contacts for monitoring flow rates.
    • Measuring sensor (Z60) with 4-20 mA output signal.
    • Custom scales for specific applications.

Download Flow Meter Datasheet PDF

The M123, M335, and M350 flow meters are versatile and essential tools for a wide range of industries that require accurate flow measurement and reliable monitoring. They are widely used in chemical processing, thanks to their excellent resistance to acids, alkalis, and other corrosive substances. In the water treatment industry, these flow meters ensure precise measurement for filtration systems, dosing chemicals, and monitoring effluents. The pharmaceutical and food industries benefit from their high accuracy and compatibility with stringent hygiene standards. Additionally, HVAC systems rely on these meters for efficient coolant and fluid flow monitoring. From industrial manufacturing to research laboratories and agriculture irrigation systems, these durable flow meters provide unmatched performance for applications that demand reliability and precision. Designed for flexibility and durability, they support the optimization of operations across diverse fields.

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