Variable area flow meter model VDA

Flow range H₂O, 20°C:
min 0.4 – 2 L/min
max 7.5 – 32.5 L/min

Flow range air, 1.013 bar(a), 20°C:
min 15 – 75 NL/min
max 100 – 1100 NL/min

Typical applications:
lubrication oil measurement
sealing and cooling water measurement
flush water applications
gas flow measurements

We recommend Kytola's variable area flow meter model VDA especially for the following applications

Technical data

Model	VDA	VDH	VDK
End blocks	Aluminium	AISI 316	Nylon
Flowtube	Grilamid (PA-12) (*PES)	Grilamid (PA-12) (*PES)	Grilamid (PA-12) (*PES)
Float	AISI 329 or AISI 329/PTFE (depending on range**)	AISI 329 or AISI 329/PTFE (depending on range**)	AISI 329 or AISI 329/PTFE (depending on range**)
Seals	Nitrile (*Viton®, EPDM)	Nitrile (*Viton®, EPDM)	Nitrile (*Viton®, EPDM)
Side plates	AISI 316	AISI 316	AISI 316
Valve housing	AISI 316	AISI 316	AISI 316
Valve spindle	AISI 316	AISI 316	AISI 316
Connections G/NPT	G 1/2″ or NPT 1/2″	G 1/2″ or NPT 1/2″	G 1/2″ or NPT 1/2″
Max. pressure	440 psi (30 bar)	440 psi (30 bar)	290 psi (20 bar)
Max. temperature	175°F (80°C), *248°F (120°C)	175°F (80°C), *248°F (120°C)	175°F (80°C)
Accuracy	±5% F.S. (H₂O, +70°F/+20°C)	±5% F.S.(H₂O, +70°F/+20°C)	±5% F.S. (H₂O, +70°F/+20°C)
Weight	1.7 lbs (0.75 kg)	4.4 lbs (2.0 kg)	2.1 lbs (0.95 kg)
*Alarm sensor	ILK-M30-AB (20 – 250 VAC/DC, 2-wire, NO) ILK-M30-BB (20 – 250 VAC/DC, 2-wire, NC) ILK-M30-FR (10 – 55 VDC, 2-wire, NO/NC) ILK-M30-N (NAMUR EN 60947)
Special construction upon request. *PTFE float for flow ranges 6H – 3M.

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