Oval wheel meter

Volume measurement of liquids and liquid gases in loading applications of the chemical and petrochemical industry, petroleum industry and of food and beverages:

  • in the oil industry for the measurement of crude oil or refined products or in the gas industry for the measurement of liquid gas
  • in dosing and loading technology for the measurement of defined quantities of various fuels and additives
  • in the petrochemical industry for measuring products such as ethylene or propylene liquid
  • in the chemical industry for measuring various acids or alkalis
  • in mechanical and apparatus engineering for measuring lubricants or process fluids
  • in shipbuilding for measuring fuel consumption
Technical data in general
Nominal size 6 to 400 mm (1“ bis 16“)
Process connection Females threading
Flange according to DIN or ANSI
Material

Pressure relevant: cast steel, stainless steel, PVDF

Other wetted parts: PEEK, aluminum; brass, ceramics, stainless steel, others

Flow Range 0,03 l/min to 24.000 l/min
(0.008 gal/min to 6,340 gal/min)
Accuracy ±0,05% to ±0,5%
Repeatability ±0,02%
Viscosity 0,1 to 100.000 mPa·s
Process temperature -40°C to 290°C (-40°F to 554°F)
Process pressure max. 100 bar bar (1,450 psi)
Ex-protection Flame proof or intrinsically safe
Characteristics

high measurement accuracy
Single Case Oval wheel meter:
accuracy:         Flowal® Plus up to ±0.25%
accuracy:         OI up to ±0.1%
Double Case Oval wheel meter:
accuracy:         OP up to ±0.15%
accuracy:         OaP up to ±0.05%

Special features
  • mechanical or electronic counters available
  • no inlet and outlet sections required
  • wide viscosity range
  • simple installation and commissioning
  • maintenance-free
  • national and international approvals
  • custody transfer certificates / OIML / MID 2014/32/EU
    (old version: 2004/22/EG)
  • Evaluation Certificate (Welmec 8.8)
  • SIL 2 (OaP series)
  • Llyods Register (OI, OaP)
  • approved for use in legal metrology
  • ATEX
  • PED
  • NACE

Oval wheel meter products

OaP

(5 to 24,000l l/min)
(1.32 to 6,340 gal/min)

OP

(0.08 to 5,000 l/min)
(0.02 to 1,320 gal/min)

OI

(0.2 to 1,200 l/min)
(0.05 to 317 gal/min)

BOPP UND REUTHER Ovalradzähler OC

OC

(2.5 to 100 l/min)
(0.66 to 26.41 gal/min)

BOPP UND REUTHER Ovalradzähler OK

OK

(2.5 to 500 l/min)
(0.66 to 132.09 gal/min)

FLOWAL® PLUS

(0.03 to 660 l/min)
(0.008 to 174.35 gal/min)

OD

0.2 to 100 l/min
(0.05 to 26.42 gal/min)

Oval wheel meter series OaP

Application:

Oval Wheel Meters Type OaP / OP are used for measuring liquid raw, intermediate and finished products such as liquefied gases, gasolines, heating oils, lubricating oils, transmission oils, solvents, bitumen, alkaline solutions, acids and other chemical liquids.

Technical data
Nominal size 25 to 400 mm (1/4“ bis 16“)
Process connection Flanges according to DIN or ANSI
Material

Pressure relevant: cast steel
Other wetted parts: aluminum; brass, stainless steel, others

Flow Range 5 to 24.000 l/min
(1.32  to 6,340 gal/min)
Accuracy ±0,05% to ±0,5%
Repeatability ±0,02%
Viscosity 0,1 to 100.000 mPa·s
Process temperature -40°C to 290°C (-40°F to 554°F)
Process pressure max. 100 bar (1,450 psi)
Ex-protection Flame proof or intrinsically safe

 

Special Features
  • double case meter Design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • compact design
  • easy start-up
  • maintenance-free
  • the only SIL 2 oval wheel meter world wide
  • broad range of custody transfer approvals
Characteristics
  • oval wheel meters for  low- , mid-, and high viscosity liquids
  • high measurement accuracy
  • low pressure loss
  • high life time

Oval wheel meter series OP

Application:

Oval wheel meters type OP are used for measuring liquids such as gasolines, heating oils, lubricating oils, diesel oil, bio ethanol and some chemical liquids.

Technical data
Nominal size 15 to 150 mm (1/2“ bis 6“)
Process connection Flange according to DIN or ANSI
Material

Pressure relevant: cast steel, stainless steel,

Wetted parts: aluminum or stainless steel

Flow Range 0,08 to 5.000 l/min
(1.32 to 1,320 gal/min)
Accuracy ±0,2% to ±0,5%
Repeatability ±0,02%
option special calibration: ±0.15%
Viscosity 0,3 to 120 mPa·s
Process temperature -10°C to 110°C (14°F to 230°F)
Process pressure max. 40 bar (580 psi)
Ex-protection Flame proof or intrinsically

 

Special features
  • Double case meter design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • easy start-up
  • maintenance-free
Characteristics
  • oval wheel meter for low to medium viscosity liquids
  • low pressure loss
  • high life time
  • Oil and Gas
  • Chemistry and pharmaceutical
  • Mechanical and plant engineering
  • Energy and power plants
  • Shipbuilding
OIML
PTB

Oval wheel meter series OI

Application:

Oval wheel meters type OI are used for the measurement of liquid products such as liquefied gases, acids, alkaline solutions, fats, alcohols, solvents, dispersions, polymers, poly-condensates, paints, colors and adhesives etc.

Technical data
Nominal size 25 to 100 mm (1“ to 4“)
Process connection Flanges according to DIN or ANSI
Material pressure relevant: cast steel, grey cast iron, stainless steel
wetted parts: aluminum; brass, cast iron
Flow Range 8 to 1,000 l/min
(2  264 gal/min)
Accuracy ±0.01% to ±0.3%
Repeatability ±0.02%
Viscosity 0.3 to 3,000 mPa·s (standard)
1.5 to 60,000 mPa·s (ball bearing)
Process temperature

-60°C up to 180°C (-76°F to 356°)

High temperature design: special clearances / extension 300 mm

Low temperature design: special clearences / extension 400 mm + 2 magn. coupling / pmax  = 0.5 x PN

Process pressure max. 40 bar (580 psi)
Ex-protection Flame proof or intrinsically

 

Special features
  • single case meter Design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • compact design
  • easy start-up
  • maintenance-free
Characteristics
  • oval wheel meters for mid to high viscosity liquids
  • high measurement accuracy
  • low pressure loss
  • high life time
BOPP UND REUTHER Ovalradzähler OC

Oval wheel meter series OC

Application:

Oval wheel meters type OC are used for measuring of liquid raw, intermediate or finished products such as oil, chemical liquids, demi-water, petrol etc. Optionally also suitable for filling processes.

Technical data
Nominal size 25 to 400 mm (1/4“ to 16″)
Process connection Flanges according to DIN or ANSI
Material AISI 304, aluminum
Flow Range 2.5 to 100 l/min
(0.66 to  26.4 gal/min)
Accuracy ±0.5% (optional ±0.25%)
Repeatability ±0.02%
Viscosity 0.3 to 350 mPa·s
Process temperature

0°C up to 70°C (32°F to 158°F)

Process pressure max. 16 bar (232 psi)
Ex-protection Flame proof or intrinsically

 

Characteristics
  • oval wheel meters for mid to high viscosity liquids
  • high measurement accuracy
  • low pressure loss
  • high life time
Special features
  • single case meter Design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • compact design
  • easy start-up
  • maintenance-free
  • Oil and Gas
  • Chemistry and pharmaceutical
  • Mechanical and plant engineering
PACTware
BOPP UND REUTHER Ovalradzähler OK

Oval wheel meter series OK

Application:

Oval wheel meters type OK are used for dosing of liquid chemical fluids of all kinds, such as solvents, resins, paints and varnishes, alkalis, organic and inorganic acids, depending on temperature and concentration.

Technical data
Nominal size 25 to 500 mm (1/4“ to 16“)
Process connection Flanges according to DIN or ANSI
Material Stainless steel, grey cast iron, cast steel (OK 100)
Flow Range 2.5 to 5000 l/min
(0.66 to 132.07 gal/min)
Accuracy ±0.3%
Repeatability ±0.02%
Viscosity 0.3 to 1.000 mPa·s
Process temperature -10°C to 60°C (14°F to 140°F)
Process pressure max. 10 bar (145 psi)
Ex-protection Flame proof or intrinsically

 

Characteristics
  • oval wheel meters for mid to high viscosity liquids
  • high measurement accuracy
  • low pressure loss
  • high life time
Special features
  • single case meter Design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • compact design
  • easy start-up
  • maintenance-free
  • Oil and Gas
  • Chemistry and pharmaceutical
  • Mechanical and plant engineering
  • Energy and power plants
  • Shipbuilding
PTB
PTB

Oval wheel meter series Flowal® Plus

Application:

Versatile flowmeter for measuring the volume of liquids in mechanical engineering, factory automation and process instrumentation, such as suited for industrial fluids, chemical fluids, mineral oils and fuels. The modular design combines reliable mechanical sensors with modern electronics. The plastic version is suitable for measuring the volume of corrosive liquids, acids, alkalis, solvents, dyes…

Technical data
Nominal size

G1/4“, G1/2“, G3/4“, G1“, G2“
Flanges DN15, DN25, DN50
Flanges ½“, 1“, 2“

Process connection

Inside threads according to ISO 288
Flanges according to DIN or ANSI

Material

pressure relevant: stainless steel, aluminum, PVDF, PP

other wetted parts: PEEK; stainless steel

Flow Range 0,03 l/min to 660 l/min
Accuracy ±0,25% to ±0,5%
Repeatability ±0,02%
Viscosity

0,3 to 3.000 mPa·s

Process temperature

-40°C up to 130°C
(-40°F up to 266°F)

Process pressure up to 68 bar (986 psi)
Ex-protection intrinsically safe (ATEX or IEC-Ex)
Characteristics
  • oval wheel meters for low to mid viscosity liquids
  • battery powered model available
  • low pressure loss
Special features
  • single case meter design
  • no straight inlet and outlet pipe sections required
  • measuring principle independent of the viscosity
  • easy start-up
  • maintenance-free
  • plastic version: no wetted metal parts and low weight
  • built-in temperature sensor
  • battery-supplied compact devices
  • detection of flow direction
  • Oil and Gas
  • Chemistry and pharmaceutical
  • Mechanical and plant engineering
  • Food and beverage
  • Shipbuilding

Oval wheel meter series OD

Application:

The focus is on the measurement of non-conductive liquids. This meter is designed for the measurement of e.g. oil or demineralized water. Due to the measuring principle, an inlet or outlet section is not required.

Technical Data
Nominal size DN10,DN15,DN25
Process connection TriClamp according to DIN 32676
Material

Housing: stainless steel

Oval wheels: stainless steel, PEEK

Seals: EPDM, alternatively Viton

Flow Range

0.2 to 5 l/min  –  2,000 Pulses/
(0.05 to 1.32 gal/min)l

1 to 30 l/min  –  1,000 Pulses/l
(0.26 to 7.93 gal/min)

2 to 50 l/min – 400 Pulses/l
(0.53 to 13.21 gal/min)

4 to 100 l/min – 200 Pulses/l
(1.06 to 24.42 gal/min)

Accuracy ±0,25% to ±0,5%
Repeatability ±0,1%
Viscosity 0,3 to 1.500 mPa·s
Process temperature

Liquid temperature: -10°C to +130°C (-14°F to 266°F)

ambient temperature: -20°C to +70°C (-4°F to 158°F)

Process pressure max. 16 bar
Ex-protection
not available

 

Special features
  • Fillings from 10 ml possible
  • very short dosing times > 250ms
  • high resolution (e.g. DN10: 2000 pulses/l)
  • large selection of filling quantities with different nominal sizes
  • can be combined with the batch controller
Characteristics
  • direct measurement of volume
  • measurement of non-conductive and conductive liquids
  • high accuracy / repeatability also for small quantities
  • high long-term stability
  • Chemistry and pharmaceutical
  • Food and beverage