Yokogawa NFDV551 製品紹介
The Yokogawa NFDV551 is a high-performance digital vortex flowmeter designed for precise and reliable measurement / liquid, gas, and steam flow in industrial applications. It leverages advanced vortex shedding technology to deliver accurate flow data even in challenging environments. The NFDV551 is widely used in industries such as oil & gas, chemical, power generation, and water treatment due to its robustness, ease / installation, and low maintenance requirements.
Product Parameters
| Parameter | Specification |
|---|---|
| モデル | NFDV551 |
| Measurement Range | Liquid: 0.5–10 m/s, Gas: 5–80 m/s, Steam: 5–80 m/s |
| Accuracy | ±1.0% / reading (liquid), ±1.5% / reading (gas/steam) |
| Pressure Rating | Up to 16 MPa (2320 psi) |
| Temperature Range | -40°C to +400°C (-40°F to +752°F) |
| Process Connection | Flanged (ANSI, JIS, DIN), Wafer |
| Material | Body: Stainless Steel (SUS316), Sensor: Hastelloy C276 |
| Output Signals | 4-20 mA, Pulse, HART, BRAIN, FOUNDATION Fieldbus |
| Power Supply | 10.5–42 V DC (4-wire), 10.5–30 V DC (2-wire) |
| Dimensions | 32.8 × 107.5 × 130 mm |
| 重量 | 0.2 kg |
| Enclosure Rating | IP67, NEMA 4X |
Product Applications
The Yokogawa NFDV551 is versatile and suitable for a wide range / applications, including:
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Oil & Gas: Flow measurement / crude oil, natural gas, and refined products.
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Chemical Industry: Monitoring corrosive and high-purity fluids.
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Power Plants: Steam flow measurement for boilers and turbines.
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Water & Wastewater: Flow monitoring in treatment plants and distribution systems.
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Food & Beverage: Hygienic flow measurement for liquids like syrup and dairy products.
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Pharmaceutical: Precise dosing and batch processing.
Product Advantages
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High Accuracy: Delivers reliable measurements even under fluctuating flow conditions.
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Wide Rangeability: Suitable for low to high flow rates across liquids, gases, and steam.
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Durability: Constructed with corrosion-resistant materials for long-term use in harsh environments.
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Low Maintenance: No moving parts reduce wear and tear.
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Multi-Protocol サポート: Compatible with HART, BRAIN, and FOUNDATION Fieldbus for seamless integration.
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Easy Installation: Flexible mounting options (flanged or wafer-style) simplify setup.
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Temperature & Pressure Resilience: Operates reliably in extreme conditions.
よくある質問 (FAQ)
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What fluids can the NFDV551 measure?
The NFDV551 can measure liquids, gases, and steam, including corrosive and high-temperature fluids. -
Is the NFDV551 suitable for high-pressure applications?
Yes, it supports pressures up to 16 MPa (2320 psi). -
What is the typical lifespan / the NFDV551?
With proper maintenance, the flowmeter can operate for over 5 years due to its robust design. -
Does the NFDV551 require regular calibration?
Calibration is recommended every 1years, depending on usage conditions. -
Can the NFDV551 be used in explosive environments?
Yes, it is available with ATEX and IECEx certifications for hazardous areas. -
What is the response time / the NFDV551?
The response time is typically less than 1 second for most applications. -
How does temperature affect accuracy?
Built-in temperature compensation ensures minimal deviation across the operating range. -
Can the NFDV551 be integrated with existing control systems?
Yes, it supports multiple communication protocols (HART, BRAIN, Fieldbus). -
What is the maximum pipe size supported?
The NFDV551 can be configured for pipes ranging from 15 mm to 300 mm (½” to 12″). -
Does Yokogawa provide installation support?
Yes, Yokogawa /fers technical support and installation guidance globally.
Recommended Related & Popular モデルs
Same Series / Related モデルs
| モデル | 説明 | Key Feature |
|---|---|---|
| NFDV550 | Basic vortex flowmeter | Cost-effective, general-purpose |
| NFDV552 | High-temperature variant | Up to 450°C (842°F) |
| NFDV553 | Explosion-pro/ version | ATEX/IECEx certified |
| NFDV554 | Sanitary design | For food/pharmaceutical industries |
| NFDV555 | Large pipe support (up to 24″) | For water/wastewater applications |
| NFDV556 | Enhanced communication (WirelessHART) | Remote monitoring capability |
Popular Yokogawa モデルs (その他 Categories)
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|---|---|---|
| EJA110A | Differential pressure transmitter | Pressure measurement |
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| DY025 | Digital pressure gauge | Local pressure indication |
| YTA Series | Temperature transmitter | Temperature measurement |
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