Positive Displacement Flow Meters for Heavy Oils

Oval Gears Meters

• Introduction

• Principle of Operation

• Aplications

• Experience in Heavy Oils

• New Design

Oval Gears Meters

ODC Series – Double Case Oval Gears Meters

ODC Series – Double Case Oval Gears Meters

INNER MECHANISM

HOUSING

• Avoid Pipeline Movemnt Influence

• Avoid Pressure Influence on the Measurement

• Better Thermal Stability

Oval Gears Meters – Principle of Operation

• Torque on arm A > Torque on arm B

Standard Tooth Profile

• Clean Liquids

• Low Viscosity Applications

Considerable Pressure Loss

Standard Tooth Profile

Limited Space Between Teeth

Higher Sealing Properties

Standard Tooth Profile

Developed for Liquids Without Solids

Lower Viscosities Require More Sealing Points

Special Tooth Profile

• High Viscosity

• More Solids Tolerance

• Lower Pressure Loss

• Material: CF8M

Special Tooth Profile

• More Space Between Teeth

• Less Number of Teeth

Special Tooth Profile

• More Space to Handle Solids

• Higher Viscosities

Standard Tooth Profile x Special Tooth Profile

x

Special Tooth Profile

Wear with Solids

Less Time Between Failure

• New Special Tooth Profile Development

• Higher Mechanical Resistance

• Longer Working Life

• New Material: ASTM A747

New Special Tooth Profile

New Special Tooth Profile

• Stronger Teeth

• Berings – Silicon Carbide With Tungsten Carbide

New Special Tooth Profile

• Grants the Space for the Particles

- Bigger Teeth Depth

- Higher Resistance

Novo Perfil Especial

• Silicon Carbide Bearings

• Tungsten Carbide Coated Shaft

• Plates Coated with Tungsten Carbide

Ruggedised Oval Gears Meter

• Sincronizing Gears

• Removable Teeth and Camber

Ruggedized Meter Assembly

Ruggedized Meter Assembly

Experience with Agar – Multiphase Flow Meter

Experience with Agar – Multiphase Flow Meter