ALIAVA AVF250 Series is a common used various flowmeter in Auto-industry process control. It's with small volume, wide range and easily operation. 
It could also measure liquid, gas and steam flowrate, especially fit for small flowrate application.

FEATURES 
4 digit flowrate & 8 digit totalizer
Local indication without auxiliary power
4-20 mA & Scale pulse output
Low pressure lost on gas and steam application
Damper for Gas/Steam application
Consistent overall length
Heating jacket design
Intrinsically safe & explosion proof for hazardous area

SPECIFICATION 
Size:
15,20,25,40,50,65,80,100,125,150,200 mm
Measuring Range:
Liquid - 1 ~ 200000 Liter/Hr
Gas - 0.03 ~ 4000 M3/Hr
Turndown Ratio:
10:1 (20:1 Optional)
Accuracy:
+/-1.6%(Standard)
+/-1.0%(Optional)
Material:
Tube & Float:
Stainless Steel 304
Stainless Steel 316
Stainless Steel 316L
Stainless Steel + PTFE Liner
Standard Pressure:
40 Kg/cm2 (15mm ~ 50mm)
16 Kg/cm2 (65mm ~ 200mm)
Flange Type:
JIS 10K / JIS 20K / JIS 40K / ANSI 150# / 
]ANSI 300# / ANSI 600# / DIN PN 10 / 
PN 16 / PN25 / PN 40
Local Display:
Mechanical Indicator (standard)
Digit Display:
4 Digit Flowrate
8 Digit Totalizer
Protection class:
IP 65
Intrinsically Safe, Eex ia IIC T5
Explosion Proof, Ex d IIB T6
Pressure Drop:
0.07 ~ 0.7 Kg/cm2