• ARO-COP-006
What is a Conical Entrance Orifice Plate?
The Arrotop Conical Orifice Plate is engineered for flow measurement in systems with very low Reynolds numbers and high viscosity fluids. Featuring a conical entrance and a square-edge exit, this orifice plate is designed to maintain a more predictable discharge coefficient at low velocities. The conical design enhances measurement accuracy for clean fluids with low density, making it ideal for applications involving highly viscous or low-velocity flows.
Product Data
Arrotop, a trusted manufacturer and supplier of Conical Entrance Orifice Plates in India, offers expertly designed plates to handle viscous fluids, gases, and steam. Featuring a conical inlet and parallel outlet, these plates reduce discharge coefficient variation, enhancing measurement accuracy. Ideal for critical flow applications where traditional orifice plates may fall short, Arrotop’s Conical Entrance Orifice Plates deliver reliable, precise performance across diverse industries.
Features
- High Accuracy : Ensures precise flow measurement with well-defined pressure drop.
- Versatility : Suitable for a wide range of fluids, including gases, liquids, and steam.
- Durability : Constructed from high-quality materials to withstand harsh industrial environments.
- Ease of Installation : Can be installed in various orientations.
- Low Maintenance : Simple design with minimal moving parts reduces maintenance needs.
- Cost-Effective : Provides accurate measurement at a lower cost compared to other devices.
- Wide Range of Sizes : Available in sizes upto 24″.
- Customizable : Various materials and coatings are available to handle specific conditions.
- Robust Construction : Designed to endure high pressure and temperature variations.
- Reliable Performance : Consistent and repeatable measurements.
Product Overview
- Design: Features a 45° conical inlet section with a parallel exit section to ensure precise flow measurement for highly viscous and low-velocity fluids.
- Function: Measures flow rate by inducing a differential pressure drop with enhanced accuracy at very low Reynolds numbers.
- Installation: Suitable for horizontal, vertical, or inclined pipelines.
- Maintenance: Low maintenance due to its robust and straightforward design.
- Customization: Available with specialized coatings for enhanced resistance to corrosive environments and tailored to meet specific application requirements.
- Reliability: Provides consistent performance in applications involving highly viscous fluids and low Reynolds numbers, reducing the variability in discharge coefficient compared to traditional orifice plates.
Technical Information
| Model Number | ARO-COP-006 |
|---|---|
| Material | SSS 304/L, 316/L, Duplex, Super Duplex, Hastelloy, Carbon Steel, Monel, Inconel, PP, PVC, PTFE-coated, Stellite-coated (special alloys on request) |
| Sizes | Up to 24″ |
| Beta Ratio | 0.2 to 0.75 |
| Thickness | 3.18 mm, 6.35 mm, 9.52 mm, 12.7 mm (other on request) |
| Standards | ISO 5167, ASME B16.36, BS 1042, API 2530, AGA Report 3 |
| Fluid Types | High viscosity and Low viscosity clean fluids |
| Accuracy | Within 2% of the maximum flow rate |
| Repeatability | ± 0.1% of the indicated flow rate |
| Tapping Methods | Corner Taps |
Sizes Chart
| DN (Nominal Diameter) | Orifice Diameter (mm) | Plate Thickness (mm) |
|---|---|---|
| DN15 (0.5″) | 15 | 3.18 |
| Dn25 (1″) | 25 | 3.18 |
| DN50 (2″) | 50 | 6.35 |
| DN100 (4″) | 100 | 6.35 |
| DN150 (6″) | 150 | 9.52 |
| Dn200 (8″) | 200 | 9.52 |
| DN300 (12″) | 300 | 12.7 |
| DN400 (16″) | 400 | 12.7 |
| DN600 (24″) | 600 | 12.7 |
Applications of Arrotop Conical Orifice Plate
The Arrotop Conical Orifice Plate is widely used in industries requiring precise flow measurement for very low Reynolds numbers:
- Chemical Processing: Provides accurate measurement for highly viscous or low-velocity fluids, enhancing process control and safety.
- Oil and Gas: Monitors fluid flow in pipelines with low velocities, optimizing production and maintaining safety standards.
- Power Generation: Used for precise measurement of steam and fluid flows with high viscosity in power plants.
- Water Treatment: Ensures accurate flow measurement for highly viscous or low-density fluids in water and wastewater treatment processes.
- Food and Beverage: Maintains precise flow control for clean and viscous fluids in production lines, ensuring quality and consistency.
- Pharmaceutical: Delivers accurate flow measurement for low-velocity fluids in sensitive processes, ensuring product quality and compliance.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning for efficient energy use with highly viscous fluids.
- Mining: Measures low-velocity and highly viscous fluid flows in mining operations, improving operational efficiency.
- Pulp and Paper: Provides accurate measurement of highly viscous liquid flows in production processes, contributing to quality control.
- Marine and Shipbuilding: Measures various low-velocity fluids in ship systems, ensuring operational efficiency.
- Automotive: Offers precise measurement of highly viscous fluids in manufacturing processes.
Advantages of Arrotop’s Conical Orifice Plate
- Enhanced Accuracy: Provides precise flow measurements for very low Reynolds numbers, outperforming square-edged orifice plates.
- Versatility: Suitable for highly viscous fluids and low-velocity clean fluids.
- Durability: Constructed from high-quality materials to ensure long-lasting performance in diverse operating conditions.
- Ease of Installation: Flexible installation options for different pipeline orientations.
- Low Maintenance: Simple design reduces the need for frequent maintenance.
- Cost-Effective: Offers reliable measurement at a lower cost compared to other specialized flow meters.
- Wide Range of Sizes: Available in a comprehensive range of sizes to meet various application needs.
- Customizable: Tailored options with various materials and coatings to handle specific process conditions.
- Reliable Performance: Ensures consistent and repeatable measurements over time, critical for process control.
Overview
Arrotop, a trusted manufacturer and supplier of Conical Entrance Orifice Plates in India, offers expertly designed plates to handle viscous fluids, gases, and steam. Featuring a conical inlet and parallel outlet, these plates reduce discharge coefficient variation, enhancing measurement accuracy. Ideal for critical flow applications where traditional orifice plates may fall short, Arrotop’s Conical Entrance Orifice Plates deliver reliable, precise performance across diverse industries.
Arrotop is a leading conical entrance orifice plate manufacturer in India, specializing in solutions for viscous fluids and low Reynolds number applications. Our plates provide stable discharge coefficients and reliable flow measurement, making them an ideal alternative to quarter circle orifice plates.
Unlike quarter circle orifice plates, conical entrance orifice plates combine a tapered inlet with a sharp exit, providing better control over discharge coefficient variation in very low Reynolds number applications.
Features
- Conical Inlet Geometry for Controlled Flow Acceleration : The precisely machined conical entrance gradually accelerates the fluid, reducing flow separation and ensuring smoother velocity distribution before the pressure drop occurs.
- Stable Discharge Coefficient at Low Reynolds Numbers : Designed specifically to maintain a more predictable and stable discharge coefficient in very low Reynolds number applications, where conventional orifice plates lose accuracy.
- Improved Accuracy for Viscous & Low-Velocity Fluids : Particularly effective for high-viscosity liquids and low-velocity clean fluids, delivering consistent and repeatable flow measurement results.
- Square-Edge Exit for Well-Defined Differential Pressure : The sharp downstream edge ensures a clearly defined vena contracta, producing a measurable and reliable differential pressure signal for accurate flow calculation.
- Reduced Sensitivity to Reynolds Number Variations : The combined conical inlet and sharp exit design minimizes measurement uncertainty caused by changing flow regimes.
- Lower Turbulence Compared to Sharp-Edged Orifice Plates : The gradual inlet profile reduces turbulence generation at the orifice entrance, enhancing measurement stability in sensitive applications.
- Suitable for Clean Fluid Applications : Optimized for clean liquids, gases, and steam where solid particles are minimal and precise low-flow measurement is required.
- Robust & Precision-Machined Construction : Manufactured from high-quality materials such as SS 304/L, SS 316/L, Carbon Steel, Alloy Steel, and special alloys to withstand pressure and temperature variations.
- Customizable Design Parameters : Available with customized bore sizes, plate thicknesses, inlet angles, materials, and surface finishes to match specific process conditions.
- Cost-Effective Alternative for Low Reynolds Flow Measurement: Offers a reliable and economical solution compared to complex low-flow meters while maintaining dependable accuracy.
Product Overview
- Design: Features a 45° conical inlet section with a parallel exit section to ensure precise flow measurement for highly viscous and low-velocity fluids.
- Function: Measures flow rate by inducing a differential pressure drop with enhanced accuracy at very low Reynolds numbers.
- Installation: Suitable for horizontal, vertical, or inclined pipelines.
- Maintenance: Low maintenance due to its robust and straightforward design.
- Customization: Available with specialized coatings for enhanced resistance to corrosive environments and tailored to meet specific application requirements.
- Reliability: Provides consistent performance in applications involving highly viscous fluids and low Reynolds numbers, reducing the variability in discharge coefficient compared to traditional orifice plates.
Technical Information
| Model Number | ARO-COP-006 |
|---|---|
| Material | SSS 304/L, 316/L, Duplex, Super Duplex, Hastelloy, Carbon Steel, Monel, Inconel, PP, PVC, PTFE-coated, Stellite-coated (special alloys on request) |
| Sizes | Up to 24″ |
| Beta Ratio | 0.2 to 0.75 |
| Thickness | 3.18 mm, 6.35 mm, 9.52 mm, 12.7 mm (other on request) |
| Standards | ISO 5167, ASME B16.36, BS 1042, API 2530, AGA Report 3 |
| Fluid Types | High viscosity and Low viscosity clean fluids |
| Accuracy | Within 2% of the maximum flow rate |
| Repeatability | ± 0.1% of the indicated flow rate |
| Tapping Methods | Corner Taps |
Dimensional Data
Sizes Chart
| DN (Nominal Diameter) | Orifice Diameter (mm) | Plate Thickness (mm) |
|---|---|---|
| DN15 (0.5″) | 15 | 3.18 |
| Dn25 (1″) | 25 | 3.18 |
| DN50 (2″) | 50 | 6.35 |
| DN100 (4″) | 100 | 6.35 |
| DN150 (6″) | 150 | 9.52 |
| Dn200 (8″) | 200 | 9.52 |
| DN300 (12″) | 300 | 12.7 |
| DN400 (16″) | 400 | 12.7 |
| DN600 (24″) | 600 | 12.7 |
Applications of Arrotop Conical Orifice Plate
The Arrotop Conical Orifice Plate is widely used in industries requiring precise flow measurement for very low Reynolds numbers:
- Chemical Processing: Provides accurate measurement for highly viscous or low-velocity fluids, enhancing process control and safety.
- Oil and Gas: Monitors fluid flow in pipelines with low velocities, optimizing production and maintaining safety standards.
- Power Generation: Used for precise measurement of steam and fluid flows with high viscosity in power plants.
- Water Treatment: Ensures accurate flow measurement for highly viscous or low-density fluids in water and wastewater treatment processes.
- Food and Beverage: Maintains precise flow control for clean and viscous fluids in production lines, ensuring quality and consistency.
- Pharmaceutical: Delivers accurate flow measurement for low-velocity fluids in sensitive processes, ensuring product quality and compliance.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning for efficient energy use with highly viscous fluids.
- Mining: Measures low-velocity and highly viscous fluid flows in mining operations, improving operational efficiency.
- Pulp and Paper: Provides accurate measurement of highly viscous liquid flows in production processes, contributing to quality control.
- Marine and Shipbuilding: Measures various low-velocity fluids in ship systems, ensuring operational efficiency.
- Automotive: Offers precise measurement of highly viscous fluids in manufacturing processes.
Advantages of Arrotop’s Conical Orifice Plate
- Enhanced Accuracy: Provides precise flow measurements for very low Reynolds numbers, outperforming square-edged orifice plates.
- Versatility: Suitable for highly viscous fluids and low-velocity clean fluids.
- Durability: Constructed from high-quality materials to ensure long-lasting performance in diverse operating conditions.
- Ease of Installation: Flexible installation options for different pipeline orientations.
- Low Maintenance: Simple design reduces the need for frequent maintenance.
- Cost-Effective: Offers reliable measurement at a lower cost compared to other specialized flow meters.
- Wide Range of Sizes: Available in a comprehensive range of sizes to meet various application needs.
- Customizable: Tailored options with various materials and coatings to handle specific process conditions.
- Reliable Performance: Ensures consistent and repeatable measurements over time, critical for process control.
FAQs for Conical Entrance Orifice Plate
Q. What is a Conical Entrance Orifice Plate?
A Conical Entrance Orifice Plate is a flow measurement device featuring a tapered (conical) inlet and a square-edge exit. It is designed to improve discharge coefficient stability and provide accurate flow measurement for low Reynolds number and viscous fluids.
Q. How does a Conical Entrance Orifice Plate differ from a standard square-edge plate?
Unlike square-edge plates, the conical entrance gradually accelerates the fluid, reducing turbulence and vena contracta instability. This ensures more predictable and stable flow measurement, especially at low velocities or with viscous fluids.
Q. Is this orifice plate suitable for viscous fluids?
Yes. Conical Entrance Orifice Plates are specifically engineered for high-viscosity liquids, low-density fluids, and low-velocity flows, ensuring accurate and repeatable measurements.
Q. What are the benefits of a conical entrance design?
- Reduced turbulence at the orifice inlet
- More stable discharge coefficient
- Higher accuracy at low Reynolds numbers
- Reliable alternative to quarter circle orifice plates
Q. Where are Conical Entrance Orifice Plates commonly used?
They are widely used in industries requiring low Reynolds number flow measurement, including:
- Chemical and process industries
- Oil and gas pipelines (low-velocity fluids)
- Power generation systems
- Food and beverage production (viscous liquids)
- Pharmaceutical manufacturing
Q. Can Conical Entrance Orifice Plates be customized?
Yes. Arrotop offers customization of bore size, plate thickness, inlet angle, material, and coatings to meet specific process requirements and ensure accurate measurement in challenging applications.
Q. Why is this plate considered an alternative to quarter circle orifice plates?
Conical Entrance Orifice Plates offer better control over discharge coefficient variation for very low Reynolds numbers and viscous fluids, providing more stable and predictable flow measurements where quarter circle plates may be less accurate.
Q. What types of fluids can be measured?
Ideal for clean liquids, gases, and steam where low velocity and viscous characteristics are present. Not recommended for fluids with high particulate content.
Q. How does it improve measurement at low Reynolds numbers?
The tapered inlet gradually accelerates the fluid, reducing flow separation and turbulence. This minimizes discharge coefficient variability and ensures repeatable and accurate flow readings, even at very low velocities.