Variable area flowmeters
For simple and cost-effective flow measurement of gases or liquids without auxiliary power
- Glass and metal tube purgemeters for low-flow applications
- Optional switches, 4...20mA, HART®, FOUNDATION™ Fieldbus, Profibus-PA
- Globally approved for use in hazardous areas and suited for safety related SIL 2 applications
H250 M40
Variable area flowmeter for liquids and gases
- Modular design: from mechanical indicator to 4…20 mA/HART®7, FF, Profibus-PA and totalizer
- Any installation position: vertical, horizontal or in descending pipes
- Flange: DN15…150 / ½…6"; also NPT, G, hygienic connections, etc.
- -196…+400°C / -320…+752°F; max. 1000 barg / 14500 psig
H250 M8
Variable area flowmeter for liquids and gases
- Mechanical or with electronic bargraph indicator (4…20 mA/HART®)
- Flange: DN15…25 / ½…1"; also NPT, G, hygienic connections, etc.
- -40…+200°C / +392°F; max. 145 barg / 2102 psig
DK37 M8
Variable area flowmeter for advanced low liquid and gas flows
- Mechanical or with electronic indicator (4…20 mA/HART®)
- Sturdy metal design: stainless steel or alloy
- Thread: G¼, ¼ NPT; others
- -40…+150°C / +302°F; max. 220 barg / 3190 psig
DK32/34
Variable area flowmeter for low liquid and gas flows
- Compact mechanical indicator, optional 4…20 mA/HART®7, MIN/MAX switches and needle valve
- Sturdy metal design: stainless steel or alloy
- Thread: G¼, ¼ NPT, etc.
- -40…+200°C / +392°F, max. 220 barg / 3190 psig
DK46/47/48/800
Variable area flowmeter for low flow gas or liquid applications and sample flow monitoring
- Glass tube with analogue scale, valve and switches
- For low flows from ≥0.04 l/h or ≥0.1 GPH
- G and NPT threads; others on request
- -5…+100°C / +23…+212°F; max. 10 barg / 145 psig
VA40
Variable area flowmeter for basic applications
- With glass tube, MIN/MAX switches and 4…20 mA
- Low pressure loss for gas applications
- Flange: DN15…50 / ½…2"; also NPT, G, hygienic connections, etc.
- -20…+100°C / -4…+212°F; max. 10 barg / 145 psig
VA45
Variable area flowmeter for low pressure gas applications
- Glass tube with easy-to-read scale
- For use in gas supply lines of furnaces, protective gas or heating systems
- Flange: DN15…40 / ½…1½"; also NPT, G, hose connection
- -20…+100°C / -4…+212°F; max. 1 barg / 14.5 psig
DK700
Variable area flowmeter for low liquid and gas flows
- Compact glass tube meter with easy-to-read scale and valve
- For low flows: ≥2.5 l/h or >0.01 GPH
- Thread: G⅛; others on request
- -5…+100°C / +23…+212°F; max. 4 barg / 58 psig
GA24
Variable area flowmeter for low liquid and gas flows
- Glass tube with easy-to-read scale, MIN/MAX switches
- Rugged steel plate housing for higher process safety
- Flange: DN15…50 / ½…2", max. PN40 / ASME Cl 300
- -20…+100°C / -4…+212°F