AVF250H Series

ALIAVA Metal Tube Variable Area Flowmeter
Model AVF250H Series

The AVF250H Series is a horizontally mounted metal tube variable area flowmeter. With its unique design, it can provide a mechanical pointer display without power supply, as well as intrinsically safe and explosion-proof to suit various operating conditions.

  • Spring type horizontal mounted metal tube flowmeter
  • 5 Digit flowrate & 8 digit totalizer
  • Local indication without auxiliary power
  • 4-20 mA and scale pulse output
  • Low pressure loss in gas and steam application
  • Damper for Gas / Steam application
  • Consistent overall length
  • Intrinsically safe & explosion proof for hazardous area
Size : 15,20,25,40,50,65,80,100,125,150,200 mm
Measuring Range : Liquid -1~200000 L/hr
: Gas -0.03~3000 m3/hr
Turndown Ratio : 10:1 (20:1 Optional)
Accuracy : +/-2.5% (Standard)
: +/-1.5% (Optional)
Repeatability : +/-0.8% FS
Material
Tube & Float : Stainless Steel 304
: Stainless Steel 316
Standard Pressure : 40 kgf/cm2 (15-50 mm)
: 16 kgf/cm2 (65-200 mm)
Temperature : 0-100 °C (Standard)
Flange Type : JIS 10K / JIS 20K / JIS 40K
ANSI 150# / ANSI 300# / ANSI 600#
DIN PN10 / PN16 / PN25 / PN40
Fluid Viscosity : 300 cP Max.
Communication : RS485 (MODBUS Protocol)
: HART signal (Compatible)
Data Storage : Operation parameters and totalizer
figures are stored by EEPROM for more
than 10 years
Local Display : Mechanical Indicator (Standard)
Digit Display : 5 Digit Flowrate
: 8 Digit Totalizer
Current Output : 4-20 mA (2 wires)
Load : Max. 600 Ω
Pulse Output : Open collector (Scaled pulse)
Rating : 3-30 VDC, 100 mA Max.
Alarm Output : 2 Point (Open collector)
Rating : 3-30 VDC, 100 mA Max.
Keypad : 3 Internal keys for programming
and display control
Ambient Temperature : 0-60 °C
Protection Class : IP65
: Intrinsically Safe, Eex ia IIC T5
: Explosion Proof, Ex d IIC T6
Housing Material : Aluminum Alloy
Cable Entry : Standard: M20  Option: 1/2″ NPTF
Pressure Loss : 0.07-0.7 kgf/cm2
Power Supply : 12-36 VDC
: Ni-MH Battery (3 years working hours)
    AVF250H Series – PT Totalitas Teknik Indonesia, ALIA Variable Area Flowmeter AVF250H Series, ALIA Variable Area Flowmeter, Variable Flowmeters, ALIAVA Metal Tube Variable Area Flowmeter AVF250H Series, ALIA AVF250H Horizontal Variable Area Flowmeter, Products and Equipment from Alia Group INC.

  • AVF250 Series

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