

• ARO-RTJ-009
What is a RTJ Type Orifice Plates ?
The Arrotop RTJ (Ring Type Joint) Orifice Plates (Model Number: ARO-RTJ-009) are designed to deliver precise and reliable flow measurement and pressure reduction. These plates integrate an integral gasket for secure mounting between RTJ flanges, making them ideal for high-temperature and high-pressure applications, particularly for clean liquids, gases, and low-velocity steam.
Product Data
Arrotop is a reputed manufacturer and supplier of RTJ Type Orifice Plates, engineered for high-pressure and high-temperature flow measurement applications. These plates feature an integrated oval or octagonal gasket, ensuring secure, leak-proof installation between ring-type joint (RTJ) flanges. Designed with no moving parts, Arrotop’s RTJ Orifice Plates offer dependable performance in demanding environments—ideal for clean liquids, gases, and low-velocity steam. With precision machining and rugged construction, they deliver accurate differential pressure readings while withstanding the challenges of critical process conditions.
Technical Information
| Model Number | ARO-RTJ-009 |
|---|---|
| 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 | 05″ to 24″ (larger size available on request) |
| Flange Ratings | ANSI Class 300, 600, 900,1500, 2500 |
| 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 |
| Carrier Ring / Gasket | Stainless Steel, Soft Iron |
| Accuracy | ± 0.1% of reading |
| Repeatability | ± 0.1% of reading |
| Tapping Methods | Flange Taps, 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 RTJ Type Orifice Plates
- Oil and Gas: Used for accurate flow measurement and pressure control in pipelines and refining processes.
- Chemical Processing: Reliable for flow measurement and control in chemical production.
- Power Generation: Ideal for measuring steam and water flow in high-temperature environments.
- Water Treatment: Ensures precise flow measurement in water and wastewater management systems.
- HVAC Systems: Provides accurate airflow measurement and control in heating, ventilation, and air conditioning.
- Food and Beverage: Maintains accurate flow control in processing lines to ensure product quality.
- Pharmaceutical: Suitable for flow measurement in sensitive pharmaceutical processes.
- Marine and Shipbuilding: Efficiently measures various fluids in ship systems.
- Automotive: Provides accurate fluid measurement in automotive manufacturing processes.
- Mining: Effectively measures slurry and fluid flows with high particulate content.
Advantages of Arrotop’s RTJ Type Orifice Plates
- High Accuracy: Provides precise flow measurements, essential for high-pressure applications.
- Robust Construction: Engineered with durable materials for high-temperature and high-pressure resistance.
- Versatility: Suitable for various fluids including clean liquids, gases, and steam.
- Efficient Sealing: Integral gasket design ensures reliable sealing and prevents leaks.
- Ease of Installation: Designed for straightforward mounting between RTJ flanges.
- Low Maintenance: The no-moving-parts design reduces the need for frequent maintenance.
- Customizable: Available in various materials and sizes to meet specific operational needs.
- Noise Reduction: Effectively minimizes noise generation in flow systems.
Overview
RTJ Orifice Plate Manufacturer & Supplier in India
Features :
- Integral Gasket Design: Ensures secure, leak-proof installation between RTJ flanges, ideal for high-pressure applications.
- Integral Gasket Design: Ensures secure, leak-proof installation between RTJ flanges, ideal for high-pressure applications.
- High-Pressure & High-Temperature Compatibility: Engineered to handle steam and high-temperature fluids safely and accurately.
- Durable Construction: Made from premium materials to withstand harsh industrial conditions.
- Low Maintenance: No moving parts reduce wear and minimize operational downtime.
- Easy Installation: Designed for straightforward mounting between ring type joint flanges.
- Customizable Options: Available in various sizes, materials, and coatings to meet specific process requirements.
- Reliable Performance: Provides stable and repeatable flow measurement in high-pressure pipelines.
Technical Information
| Model Number | ARO-RTJ-009 |
|---|---|
| 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 | 05″ to 24″ (larger size available on request) |
| Flange Ratings | ANSI Class 300, 600, 900,1500, 2500 |
| 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 |
| Carrier Ring / Gasket | Stainless Steel, Soft Iron |
| Accuracy | ± 0.1% of reading |
| Repeatability | ± 0.1% of reading |
| Tapping Methods | Flange Taps, 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 RTJ Type Orifice Plates
- Oil and Gas: Used for accurate flow measurement and pressure control in pipelines and refining processes.
- Chemical Processing: Reliable for flow measurement and control in chemical production.
- Power Generation: Ideal for measuring steam and water flow in high-temperature environments.
- Water Treatment: Ensures precise flow measurement in water and wastewater management systems.
- HVAC Systems: Provides accurate airflow measurement and control in heating, ventilation, and air conditioning.
- Food and Beverage: Maintains accurate flow control in processing lines to ensure product quality.
- Pharmaceutical: Suitable for flow measurement in sensitive pharmaceutical processes.
- Marine and Shipbuilding: Efficiently measures various fluids in ship systems.
- Automotive: Provides accurate fluid measurement in automotive manufacturing processes.
- Mining: Effectively measures slurry and fluid flows with high particulate content.
Advantages of Arrotop’s RTJ Type Orifice Plates
- High Accuracy: Provides precise flow measurements, essential for high-pressure applications.
- Robust Construction: Engineered with durable materials for high-temperature and high-pressure resistance.
- Versatility: Suitable for various fluids including clean liquids, gases, and steam.
- Efficient Sealing: Integral gasket design ensures reliable sealing and prevents leaks.
- Ease of Installation: Designed for straightforward mounting between RTJ flanges.
- Low Maintenance: The no-moving-parts design reduces the need for frequent maintenance.
- Customizable: Available in various materials and sizes to meet specific operational needs.
- Noise Reduction: Effectively minimizes noise generation in flow systems.
FAQs - RTJ Orifice Plate
Q. What is an RTJ Orifice Plate?
An RTJ (Ring Type Joint) Orifice Plate is a precision flow measurement device with an integrated gasket for secure installation between RTJ flanges, suitable for high-pressure and high-temperature applications.
Q. How does an RTJ Orifice Plate differ from a standard flanged orifice plate?
An RTJ Orifice Plate has an integral gasket and is designed specifically for ring type joint flanges, providing leak-proof performance under high-pressure and high-temperature conditions, unlike standard flanged or wafer-type plates.
Q. Can RTJ Orifice Plates be customized?
Yes. Arrotop offers custom sizes, materials, and coatings to meet specific process conditions, including high-pressure pipelines and steam systems.
Q. What fluids can be measured using RTJ Orifice Plates?
RTJ Orifice Plates are ideal for clean liquids, gases, and low-velocity steam in high-pressure and high-temperature applications. They are not recommended for fluids with suspended solids or highly viscous slurries.