Precision oval gear meter series IOG 1/2"

for industrial applications

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High accuracy and repeatability
Insensitive to viscosity change – Maintains accuracy
Not affected by pulsating flows
Can be mounted in tight pipework and any orientation
Most industrial communications and outputs available
Custom options available
ATEX approval, FDA conformity

Medium:
Lubricant oil, Water, Liquid food

max. flow:
from 1 up to 30 l/min

Temperature:
from -30 up to 120 °C

max. pressure:
from 0 up to 200 bar

Branch:
Chemical industry, General industry, Pharmaceutical industry, Oil industry, Aerospace industry

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General information

The industrial OG oval gear meter is a modular flow meter design, economical yet highly accurate and rugged. Due to the rugged nature of this particular flow measurement technology, the industrial OG meter can be used in a number of applications where conventional meters are not acceptable.

Highest quality, made in Germany
Cost effective and commercially competitive product due to the most up to date automated production techniques
Wide range of sizes, materials, displays and component options
Most items ex stock for fast delivery, benefit from low shipping cost
Local support, worldwide

Other sizes upon request.

Technical data

Flow range	1 – 30	2 – 25
Viscosity (cP)	> 5,0	< 5,0
	Max. 500.000 mPas with oval gears for high viscous fluids. Contact factory.	Max. 500.000 mPas with oval gears for high viscous fluids. Contact factory.
Accuracy (%)	±0,5	±2,0
Repeatability	±0,03 %	±0,03 %
Impulse/Liter	100	100
Operating temperature
Stainless steel	-30 °C up to +120 °C	-30 °C up to +120 °C
Aluminium/ PPS/LCP	-30 °C up to +80 °C	-30 °C up to +80 °C
Pressure rating
NPT/BSP	200 bar (SS), 135 bar (Alu)	200 bar (SS), 135 bar (Alu)
Flanged model	150 lbs – 285 psi (Alu, SS)	150 lbs – 285 psi (Alu, SS)
	300 lbs – 740 psi (SS)	300 lbs – 740 psi (SS)
	DIN PN 16, 16 bar	DIN PN 16, 16 bar
	Please consult factory for higher pressure rates.	Please consult factory for higher pressure rates.
Housing/connections
Aluminium	NPT, BSP, 150#, 300#, PN 16	NPT, BSP, 150#, 300#, PN 16
Stainless steel	NPT, BSP, 150#, 300#, PN 16	NPT, BSP, 150#, 300#, PN 16
Materials
Housing	Stainless steel/Aluminium	Stainless steel/Aluminium
Cover	Stainless steel/Aluminium	Stainless steel/Aluminium
Rotors	Stainless steel or LCP (plastic)	Stainless steel or LCP (plastic)
O-ring	Viton, Aflas, EPDM, Kalrez	Viton, Aflas, EPDM, Kalrez

Measuring principle

Oval gear meters

As fluid passes through the metering chamber by entering the inlet port, it forces the internal gears to rotate and exits through the outlet port. Each rotation of the gear displaces a given volume of fluid. Controlled clearances between the gears and chamber wall insure minimum leakage. As the gears rotate, a magnet on each end of the gear activates the reedswitch and forward the pulses to the display or to the pulse output.

Applications

Oval gear meters are volumetric meters and are best suited for liquids with a viscosity up to 5.000 mPas. (special models up to 1.000.000 mPas.). Typical applications are mineral oils, hydraulic oils, solvents, brake fluids, coolants, transmission oils, etc.