• ARO-QCOP-004
What is a Quarter Circle Orifice Plate ?
The Arrotop Quarter Circle Orifice Plate is a specialized flow measurement device designed for applications involving clean and viscous fluids at low velocities and Reynolds numbers. Its unique design, featuring a rounded upstream edge forming a quarter circle, ensures accurate flow measurement, particularly for low-density and low Reynolds number fluids. This orifice plate is ideal for precise flow control in challenging fluid conditions.
Product Data
OVERVIEW
TECH-INFO
DIMENSIONAL DATA
APPLICATIONS
ADVANTAGES
OVERVIEW
The Arrotop Quarter Circle Orifice Plate (Model: ARO-QCOP-004) offers reliable flow measurement for low Reynolds number applications involving clean and viscous fluids. The orifice plate’s upstream edge is rounded to form a quarter circle, and the downstream side features a 45° bevel. This design minimizes pressure drop and enhances measurement accuracy for fluids with Reynolds numbers ranging from 2,000 to 10,000. Suitable for various industrial applications, the ARO-QCOP-004 provides consistent performance and is adaptable to different pipeline configurations.
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 from 0.5″ to 20″.
- 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.
TECH-INFO
Technical Information
| Model Number | ARO-QCOP-004 |
|---|---|
| Material | SS 304/L, 316/L, Duplex, Super Duplex, Hastelloy, Carbon Steel, Monel, Inconel, PP, PVC, PTFE-coated, Stellite-coated (special alloys on request) |
| Sizes | 0.5″ to 20″ (up to 48″ on requests) |
| Beta Ratio | 0.245 to 0.6 |
| Thickness | 3.18 mm, 6.35 mm, 9.52 mm, 12.7 mm (other on request) |
| Effective Range | Typically suitable for Reynolds numbers between 250 and \(19^5ß\) |
| Standards | ISO 5167, ASME B16.36, BS 1042, API 2530, AGA Report 3 |
| Fluid Types | Clean and viscous liquids, low-density fluids at low velocity |
| Accuracy | Within 1% of the maximum flow rate |
| Repeatability | ± 0.1% of the indicated flow rate |
| Tapping Methods | Flange Taps, Corner Taps, Radius Taps |
| Limit of use | Orifice Diameter(d) : 15 mm, Pipe Diameter(d) : 500 mm, Beta Ratio(ß) : 0.245 to 0.6 |
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 |
| Dn500 (20″) | 500 | 12.7 |
APPLICATIONS
Applications of Arrotop Quarter Circle Orifice Plate
The Arrotop Quarter Circle Orifice Plate is widely used in various industries for its exceptional flow measurement capabilities:
- Chemical Processing: Provides precise flow measurement for clean and viscous fluids, enhancing process efficiency and safety.
- Oil and Gas: Essential for monitoring low-velocity fluid flows in pipelines, optimizing production, and maintaining safety standards.
- Power Generation: Used in the measurement of steam and low-velocity water flows in power plants, contributing to efficient energy production and system control.
- Water Treatment: Ensures accurate flow measurement for clean and viscous fluids in water and wastewater treatment processes, supporting regulatory compliance.
- Food and Beverage: Maintains precise flow control in production lines, ensuring consistent product quality and operational efficiency.
- Pharmaceutical: Offers accurate flow measurement for clean and low-velocity fluids in sensitive processes, ensuring product quality and compliance.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning systems for efficient energy use and climate control.
- Mining: Measures low-velocity and viscous fluid flows in mining operations, improving operational efficiency.
- Pulp and Paper: Provides accurate measurement of clean and viscous liquid flows in production, contributing to quality control and process efficiency.
- Marine and Shipbuilding: Measures various low-velocity fluids in ship systems, ensuring operational efficiency.
- Automotive: Delivers precise measurement of clean and low-velocity fluids in manufacturing processes.
ADVANTAGES
Advantages of Arrotop’s Quarter Circle Orifice Plate
- High Accuracy: Provides precise flow measurements down to low Reynolds numbers, higher accuracy compared to conical entry orifice plates.
- Versatility: Suitable for various clean and viscous fluids, including low-density fluids at low velocities.
- Durability: Constructed from high-quality materials to withstand challenging fluid 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 range of sizes to meet diverse application requirements.
- Customizable: Tailored solutions with various materials and coatings to handle specific process conditions.
- Robust Construction: Engineered to handle different pressure and temperature variations.
- Reliable Performance: Ensures consistent and repeatable measurements over time, critical for process control.