H250 M40

H250 M40
The H250/M40 flowmeters are setting a new standard in variable area flowmeter technology. They combine tried and tested flow measurement with latest communication capabilities like Foundation Fieldbus. The H250 all-metal variable area flowmeters cover the entire range of requirements of the process industry.
Features Applications Industries Technical Documents

• Simple, low-cost installation: Measurement and indication without auxiliary power supply
• Universal Ex concept: Ex i and Ex d
• Modular scalability –from mechanical to fieldbus
• Any installation position: vertical upward, horizontal, vertical downward
• Robust measuring tube construction for high process temperatures and extreme operating pressures
• Choice of material: Stainless steel, hastelloy®, titanium, Monel, PTFE/TFM etc.
• Many connection variants: flanged,screwed, clamped, weld-on ends etc.
• Extended measuring span: up to 100 : 1
• High application safety, even with extremely low flows.

H250 measuring cone
  • Sturdy stainless steel construction for high operating pressure up to 3000 bar and extreme process temperatures from -200°C to +400°C
  • Optionally available with PTFE/ceramic liner for acids and alkalis
  • High application security, even with extremely small flows
  • Excellent long-term stability
  • Upper limit of measurement for liquids: 10 to 120,000 l/h (water: 20°C)
  • Upper limit of measurement for gases: 0.7 to 2800 m3/h (air: 20°C, 1.013 bar)
  • Measuring range 10:1 (optional 100:1)
  • Accuracy: 1.6 % according VDI/VDE 3513-2 (qG = 50%)
  • Many different process connections
  • Flanges as per EN (DN15-DN150), ASME and JIS
  • Screw and clamp connections, welding ends et al.
  • Special design for the food and pharmaceutical industry with EHEDG approval