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Oval Wheel Meter OP
Oval Wheel Meter OP
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Bopp & Reuther

Oval Wheel Meter OAP

Oval Wheel Meters Type OaP 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: double case – high accuracy – custody transfer – SIL2 approval

download pdf datasheet

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SKU: OAP Categories: ,
Description

Description

Characteris

  • oval wheel meters for low- , mid-, and high viscosity liquids
  • high measurement accuracy
  • low pressure loss
  • high life time

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

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 300 l/h to 24.000 l/min
(79 gal/h 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
About Bopp & Reuther
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DIMF density measurement
Oval Gear Applications
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    Products & Features

    Bopp & Reuther Messtechnik GmbH is a German-based manufacturer founded in 1872. The company is globally recognized for its expertise in high-precision flow, density, and concentration measurements. The company is best known as the inventor of the oval wheel meter principle (patented in 1932). Their current portfolio includes: 

    • Flow Meters: Oval wheel meters (OaP, OP, OI, OC, OK, Flowal, OD), Coriolis mass flow meters, turbine meters, vortex meters, and electromagnetic flowmeters.
    • Density & Concentration: for liquids and gases.
    • System Solutions: Dosing and filling solutions, flow computers metering skids
    Benefits
    • No Inlet/Outlet Needed: Oval wheel meters can be installed directly, saving space and piping costs.
    • Independence from Viscosity: Ideal for high-viscosity media where other technologies fail.
    • Low Maintenance & Durability: Long service life due to rugged construction.
    • Short Dosing Times: Electromagnetic flowmeters and Coriolis meters offer quick batching times, some under 0.2s, suitable for food/pharmaceutical industries.
    • Comprehensive Solutions: Tailor-made metering skids, including strainers, gas separators, and flow computers.

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