VA Flowmeters Parker Porter

Parker Porter VA flowmeters

Models 65, 150, F65 & F150

Parker Porter is one of the most renowned suppliers of high-grade variable area flowmeters (rotameters) for industrial and laboratory applications. Porter VA meters are known for their accuracy, robustness and broad applicability.

They are used for air, gases, water and liquids in process installations, gas distribution, analytical systems and OEM equipment.

This product page covers all relevant Porter models:
65, 150 (side plate) and F65, F150 (forged body).

Available models

Forged body models: F65 & F150

• One-piece black anodised aluminium body
• Wrap-around window with 180° view of the flow tube
• Available with aluminium, brass or 316 stainless steel wetted parts
• Compact design, ideal for panel mount and OEM

Side-plate models: 65 & 150

• Traditional VA construction
• Modular design
• Available in multi-tube configurations (2–6 tubes)
• Optionally with individual or manifold connections
• Suitable for larger systems and high flow capacity

Key product features

• Interchangeable flow tube assemblies → easy changing without removing the meter
• Rib-guided, compression-sealed flow tubes → maximum float stability
• Ceramic scales on a contrasting background → high readability
• Choice of standard or high-resolution metering valves
• Ten-to-one rangeability (10:1)
• Available with Parker's Torque Guard cartridge valve for extra accurate control
• Multi-tube optional (2 to 6 tubes)

Technical specifications

Model 65 & F65 (65 mm)

Model 150 & F150 (150 mm)

Advantages for industry and laboratories

• High visibility thanks to glass flow tube and ceramic scale
• Reliable at low flows and low pressures
• Ideal for gas sampling, purging, analyser systems, water/chemical process lines
• Durable materials suitable for corrosive and high-purity media
• Option for a fully modular construction with valves

Applications

• Analyser sampling systems
• Gas distribution panel (N₂, Ar, He, air)
• Test and R&D setups
• Water dosing and cooling water monitoring
• OEM instrumentation
• Purge gas systems
• Laboratory setups