• ARO-MP-005
What is a Multi-Hole Orifice Plate?
The Arrotop Multi-Hole Orifice Plate is designed with multiple holes to enhance flow conditioning, reduce noise, and minimize pressure drop. This design is particularly effective in applications with limited straight lengths available upstream and downstream of the orifice, ensuring accurate flow measurement with minimal disturbance. Ideal for use in gas, liquid, and steam applications, the multi-hole orifice plate provides reliable performance in various challenging fluid measurement scenarios.
Product Data
Arrotop, a leading Multi-Hole Orifice Plate manufacturer & supplier based in India, offers precision-engineered solutions for flow measurement in compact piping systems. Designed with multiple symmetrically positioned holes, our Multi-Hole Orifice Plates improve flow uniformity and minimize turbulence. Ideal for applications where space is limited, they deliver accurate results with minimal straight pipe lengths, while also reducing pressure drops and operational noise. Arrotop’s commitment to quality ensures durable, high-performance products suited for diverse industrial needs across India and beyond.
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 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: Multiple holes symmetrically arranged around the center of the plate to ensure even flow distribution and minimize noise and pressure drop.
- Function: Measures flow rate by creating a differential pressure drop while enhancing flow uniformity and reducing noise.
- Installation: Ideal for use in systems with limited upstream and downstream straight lengths, 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 requiring noise reduction and minimized pressure drop.
Technical Information
| Model Number | ARO-MP-005 |
|---|---|
| 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 24″ (up to 48″ on requests) |
| 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 | Gas, Liquid and Steam Application |
| Accuracy | Within 1% to 2.5% of the maximum flow rate |
| Repeatability | ± 0.1% of the indicated flow rate |
| Tapping Methods | Flange Taps or Radius Taps |
| Limit of use | Orifice Diameter(d) : 15 mm, Pipe Diameter(d) : 500 mm, Beta Ratio(ß) : 0.245 to 0.6 |
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 Multi-Hole Orifice Plate
The Arrotop Multi-Hole Orifice Plate is widely used in industries where noise reduction and minimized pressure drop are essential:
- Chemical Processing: Ensures accurate flow measurement in processes with high flow rates and minimizes noise.
- Oil and Gas: Essential for controlling fluid flow in pipelines, minimizing noise, and reducing pressure drop.
- Power Generation: Used for steam and water flow measurement, optimizing efficiency and reducing system noise.
- Water Treatment: Provides precise flow measurement in water and wastewater treatment processes, supporting efficient system operation.
- Food and Beverage: Maintains accurate flow control in production lines, ensuring quality and reducing noise.
- Pharmaceutical: Ensures accurate flow measurement in sensitive processes where noise and pressure drop must be minimized.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning for efficient energy use and noise reduction.
- Mining: Measures slurry and fluid flows, ensuring operational efficiency and minimizing pressure drop.
- Pulp and Paper: Ensures accurate measurement of liquid and gas flows, contributing to quality control and noise reduction.
- Marine and Shipbuilding: Measures various fluids in ship systems, enhancing efficiency and reducing noise.
- Automotive: Provides precise measurement of fluids in manufacturing processes, supporting noise reduction and process optimization.
Advantages of Arrotop’s Multi-Hole Orifice Plate
- Improved Flow Conditioning: Multiple holes ensure better flow distribution and reduced turbulence.
- Noise Reduction: Designed to minimize noise generation in the flow system.
- Reduced Pressure Drop: The multi-hole design lowers the pressure drop across the plate, enhancing system efficiency.
- Versatility: Suitable for various fluid types, including gases, liquids, and steam.
- Durability: Constructed from high-quality materials to ensure long-lasting performance in diverse operating conditions.
- Customizable: Available in different sizes and materials to meet specific requirements and operational needs.
- High Performance: Ensures reliable and accurate flow measurement with minimal impact on pressure.
- Easy Installation: Compatible with standard flanges and fittings for straightforward integration.
- Low Maintenance: The simple design reduces the need for frequent maintenance, lowering operational costs.
Overview
Arrotop manufactures and supplies multi-hole orifice plates in India for flow measurement applications where noise reduction, stable differential pressure, and limited upstream straight pipe lengths are critical. Designed with multiple symmetrically positioned holes, our Multi-Hole Orifice Plates improve flow uniformity and minimize turbulence. Ideal for applications where space is limited, they deliver accurate results with minimal straight pipe lengths, while also reducing pressure drops and operational noise. Arrotop’s commitment to quality ensures durable, high-performance products suited for diverse industrial needs across India and beyond.
Unlike single-hole orifice plates, multi-hole orifice plates divide the flow into multiple streams, reducing jet velocity and turbulence. This results in lower acoustic noise, reduced vibration, and improved differential pressure stability.
Multi-Hole Orifice Plate vs Single-Hole Orifice Plate
Compared to single-hole orifice plates, multi-hole orifice plates provide superior flow conditioning by distributing flow across multiple openings. This reduces noise, vibration, and permanent pressure loss while allowing accurate flow measurement even with limited upstream straight pipe lengths.
Features
- Flow Conditioning Through Multiple Orifices : Multiple symmetrically arranged holes divide the flow into smaller streams, creating a more uniform velocity profile and improving differential pressure stability.
- Effective Noise Reduction : By reducing jet velocity and turbulence intensity, the multi-hole design significantly lowers acoustic noise compared to single-hole orifice plates.
- Reduced Permanent Pressure Loss : he distributed flow pattern minimizes energy loss across the plate, making it suitable for systems where pressure recovery is critical.
- Suitable for Limited Straight Pipe Lengths : Acts as a built-in flow conditioner, allowing accurate flow measurement even when upstream or downstream straight pipe lengths are restricted.
- Lower Vibration & Flow-Induced Stress : Reduced turbulence and smoother pressure recovery help minimize pipe vibration and mechanical stress in high-flow applications.
- Stable Differential Pressure Output: Produces a consistent and repeatable pressure drop, improving measurement reliability in gas, liquid, and steam services.
- Compact & Space-Saving Design
: Ideal for compact piping layouts where installing separate flow conditioners is not feasible. - Robust Industrial Construction : Manufactured from high-quality materials to withstand high pressure, temperature variations, and continuous operation.
- Customizable Hole Pattern & Materials : Hole size, number, arrangement, and materials can be customized to match specific flow conditions and process requirements.
Product Overview
- Design: Multiple holes symmetrically arranged around the center of the plate to ensure even flow distribution and minimize noise and pressure drop.
- Function: Measures flow rate by creating a differential pressure drop while enhancing flow uniformity and reducing noise.
- Installation: Ideal for use in systems with limited upstream and downstream straight lengths, 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 requiring noise reduction and minimized pressure drop.
Technical Information
| Model Number | ARO-MP-005 |
|---|---|
| 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 24″ (up to 48″ on requests) |
| 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 | Gas, Liquid and Steam Application |
| Accuracy | Within 1% to 2.5% of the maximum flow rate |
| Repeatability | ± 0.1% of the indicated flow rate |
| Tapping Methods | Flange Taps or 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 |
| DN600 (24″) | 600 | 12.7 |
Applications of Arrotop Multi-Hole Orifice Plate
The Arrotop Multi-Hole Orifice Plate is widely used in industries where noise reduction and minimized pressure drop are essential:
- Chemical Processing: Ensures accurate flow measurement in processes with high flow rates and minimizes noise.
- Oil and Gas: Essential for controlling fluid flow in pipelines, minimizing noise, and reducing pressure drop.
- Power Generation: Used for steam and water flow measurement, optimizing efficiency and reducing system noise.
- Water Treatment: Provides precise flow measurement in water and wastewater treatment processes, supporting efficient system operation.
- Food and Beverage: Maintains accurate flow control in production lines, ensuring quality and reducing noise.
- Pharmaceutical: Ensures accurate flow measurement in sensitive processes where noise and pressure drop must be minimized.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning for efficient energy use and noise reduction.
- Mining: Measures slurry and fluid flows, ensuring operational efficiency and minimizing pressure drop.
- Pulp and Paper: Ensures accurate measurement of liquid and gas flows, contributing to quality control and noise reduction.
- Marine and Shipbuilding: Measures various fluids in ship systems, enhancing efficiency and reducing noise.
- Automotive: Provides precise measurement of fluids in manufacturing processes, supporting noise reduction and process optimization.
Advantages of Arrotop’s Multi-Hole Orifice Plate
- Improved Flow Conditioning: Multiple holes ensure better flow distribution and reduced turbulence.
- Noise Reduction: Designed to minimize noise generation in the flow system.
- Reduced Pressure Drop: The multi-hole design lowers the pressure drop across the plate, enhancing system efficiency.
- Versatility: Suitable for various fluid types, including gases, liquids, and steam.
- Durability: Constructed from high-quality materials to ensure long-lasting performance in diverse operating conditions.
- Customizable: Available in different sizes and materials to meet specific requirements and operational needs.
- High Performance: Ensures reliable and accurate flow measurement with minimal impact on pressure.
- Easy Installation: Compatible with standard flanges and fittings for straightforward integration.
- Low Maintenance: The simple design reduces the need for frequent maintenance, lowering operational costs.
FAQS for Multi-Hole Orifice Plate
Q. What is a Multi-Hole Orifice Plate?
A Multi-Hole Orifice Plate is a differential pressure flow element designed with multiple symmetrically arranged holes that divide the flow into smaller streams, improving flow conditioning, reducing noise, and minimizing pressure loss compared to single-hole orifice plates.
Q. Why are Multi-Hole Orifice Plates used instead of single-hole orifice plates?
Multi-Hole Orifice Plates are used when noise reduction, lower vibration, reduced pressure loss, and limited straight pipe lengths are critical. The multiple holes reduce jet velocity and turbulence, providing more stable flow measurement.
Q. How does a Multi-Hole Orifice Plate reduce noise?
By splitting the flow into multiple smaller jets, the plate reduces turbulence intensity and acoustic energy, resulting in significantly lower flow-induced noise compared to conventional orifice plates.
Q. Are Multi-Hole Orifice Plates suitable for limited straight pipe lengths?
Yes. Multi-Hole Orifice Plates act as built-in flow conditioners, allowing accurate flow measurement even when upstream or downstream straight pipe lengths are restricted.
Q. What types of fluids can be measured using a Multi-Hole Orifice Plate?
They are suitable for gases, liquids, and steam, particularly in high-flow or high-energy applications where noise and vibration control are important.
Q. Do Multi-Hole Orifice Plates have lower pressure loss?
Yes. Compared to single-hole designs, multi-hole orifice plates offer reduced permanent pressure loss due to improved pressure recovery and distributed flow patterns.
Q. Are Multi-Hole Orifice Plates accurate for flow measurement?
Yes. They provide stable and repeatable differential pressure output, resulting in reliable and consistent flow measurement when properly designed and installed.
Q. Where are Multi-Hole Orifice Plates commonly used?
They are widely used in oil & gas, power generation, chemical processing, water & wastewater treatment, and HVAC systems, especially in compact piping layouts.
Q. Can Multi-Hole Orifice Plates be customized?
Yes. Arrotop offers customization options including hole size, number and pattern, plate thickness, materials, coatings, and pressure ratings to meet specific process conditions.
Q. What materials are available for Multi-Hole Orifice Plates?
Multi-Hole Orifice Plates are commonly manufactured in SS 304/L, SS 316/L, Carbon Steel, Alloy Steel, and special alloys based on temperature, pressure, and corrosion requirements.
Q. Are Multi-Hole Orifice Plates more expensive than standard orifice plates?
While the initial cost may be slightly higher, they often eliminate the need for separate flow conditioners or silencers, resulting in lower overall system cost.
Q. Do Multi-Hole Orifice Plates require special maintenance?
No. They have a simple, robust design with no moving parts, requiring minimal maintenance under normal operating conditions.