Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

Model: Yokogawa NFDV557-S00 S2
Brand: Yokogawa
Product Series: NFDV Series
Category: Process Control Valve
The Yokogawa NFDV557-S00 S2 is a high-quality, precision control valve designed for use in industrial applications that require precise flow regulation. It belongs to the NFDV Series, which is known for its reliability and efficiency. This particular model is equipped with advanced features and materials to provide robust performance in demanding environments. It is specifically designed to handle complex process control in industries such as chemical processing, power generation, and water treatment.
| Parameter | Specification |
|---|---|
| Model | Yokogawa NFDV557-S00 S2 |
| Valve Type | Control Valve |
| Nominal Size | DN 80 |
| Valve Body Material | Stainless Steel |
| Seal Material | PTFE (Polytetrafluoroethylene) |
| Max Pressure | 16 MPa (160 bar) |
| Temperature Range | -20°C to +150°C |
| Flow Coefficient (CV) | 300 |
| Leakage Class | ANSI/FCI 70-2, Class IV |
| Mounting Type | Flanged (DIN/ANSI) |
| Actuator Type | Pneumatic |
| Weight | 12.5 kg |
| Dimensions (LxWxH) | 250 mm x 200 mm x 350 mm |
The Yokogawa NFDV557-S00 S2 is a high-performance industrial valve designed to regulate and control the flow of liquids and gases within complex systems. With its advanced pneumatic actuator, the valve delivers fast and reliable control, ensuring minimal flow fluctuations and maintaining system stability. Constructed from durable materials like stainless steel and PTFE seals, the valve is built to withstand harsh industrial environments, offering longevity and consistent performance.
This control valve is equipped with a highly accurate flow coefficient (CV = 300), which allows for precise adjustments to fluid and gas flow. The NFDV557-S00 S2 is engineered for industries where precision is critical, including chemical processing, oil & gas, power generation, and water treatment systems.
The Yokogawa NFDV557-S00 S2 is suitable for a wide range of industrial applications, including:
Chemical Processing: Ensures precise flow control in reactors, pipelines, and mixing tanks, where chemical reactions need careful regulation.
Oil & Gas: Used in pipelines, refineries, and offshore rigs for controlling the flow of oil and gas, especially in demanding and remote environments.
Power Generation: Used in steam and gas turbines, cooling systems, and other critical equipment to maintain system stability and efficiency.
Water Treatment: Ideal for controlling the flow of water and chemicals in filtration, purification, and wastewater treatment plants.
HVAC Systems: Used in industrial and commercial buildings to regulate airflow, temperature, and humidity in heating, ventilation, and air conditioning systems.
High Flow Capacity: With a flow coefficient of CV = 300, the NFDV557-S00 S2 provides excellent flow control for larger systems.
Durability and Corrosion Resistance: Made from stainless steel with PTFE seals, the valve is resistant to corrosion, high temperatures, and harsh chemicals.
Precision Control: Offers exceptional accuracy in flow regulation, ensuring stable system performance and improved process efficiency.
Low Maintenance: The valve is designed for long-term use with minimal wear, reducing the need for frequent maintenance and downtime.
Wide Temperature Range: The NFDV557-S00 S2 can operate in temperatures ranging from -20°C to +150°C, making it suitable for a variety of environments.
Compact Design: Despite its powerful performance, this valve has a compact design, allowing it to be easily integrated into tight spaces.
Easy Installation: With flanged mounting (DIN/ANSI), installation is straightforward, and the valve can be quickly integrated into existing systems.
| Model | Specifications |
|---|---|
| Yokogawa NFDV557-P100 | DN 100, CV=400, Max Pressure: 20 MPa, Weight: 15 kg, Temperature Range: -20°C to +150°C |
| Yokogawa NFDV556-P80 | DN 80, CV=350, Max Pressure: 16 MPa, Weight: 14 kg, Temperature Range: -20°C to +150°C |
| Yokogawa NFDV557-P50 | DN 50, CV=250, Max Pressure: 16 MPa, Weight: 10 kg, Temperature Range: -20°C to +150°C |
| Yokogawa NFDV558-P60 | DN 60, CV=300, Max Pressure: 18 MPa, Weight: 12 kg, Temperature Range: -20°C to +150°C |
| Yokogawa NFDV559-P80 | DN 80, CV=450, Max Pressure: 18 MPa, Weight: 13 kg, Temperature Range: -20°C to +150°C |
| Model | Specifications |
|---|---|
| Yokogawa SDV560 | DN 50, CV=350, Max Pressure: 20 MPa, Weight: 10 kg, Temperature Range: -20°C to +180°C |
| Yokogawa NVF582 | DN 80, CV=500, Max Pressure: 25 MPa, Weight: 15 kg, Temperature Range: -10°C to +150°C |
| Yokogawa NFDV561 | DN 100, CV=600, Max Pressure: 18 MPa, Weight: 14 kg, Temperature Range: -30°C to +200°C |
| Yokogawa NFDV560 | DN 50, CV=250, Max Pressure: 15 MPa, Weight: 8.5 kg, Temperature Range: -10°C to +160°C |
| Yokogawa NFDV555 | DN 60, CV=400, Max Pressure: 18 MPa, Weight: 11 kg, Temperature Range: -20°C to +150°C |
Q1: What is the maximum pressure the Yokogawa NFDV557-S00 S2 can withstand?
A1: The maximum pressure this valve can handle is 16 MPa (160 bar).
Q2: What materials are used in the construction of the valve?
A2: The valve body is made of stainless steel, and it uses PTFE seals for high resistance to chemicals and temperature extremes.
Q3: What is the flow coefficient (CV) of the NFDV557-S00 S2?
A3: The flow coefficient (CV) is 300, indicating a high flow capacity for efficient process control.
Q4: What is the operating temperature range of the valve?
A4: The Yokogawa NFDV557-S00 S2 can operate in temperatures ranging from -20°C to +150°C.
Q5: How is the valve actuated?
A5: This valve uses a pneumatic actuator, which provides fast and reliable actuation for precise flow control.
Q6: How much does the NFDV557-S00 S2 weigh?
A6: The weight of the NFDV557-S00 S2 is approximately 12.5 kg.
Q7: Can the NFDV557-S00 S2 be used for both liquids and gases?
A7: Yes, the valve is suitable for regulating both liquid and gas flows in various industrial applications.
Q8: Is the NFDV557-S00 S2 easy to install?
A8: Yes, the valve comes with flanged mounting (DIN/ANSI), making it easy to integrate into existing systems.
Q9: What industries can benefit from using this valve?
A9: The valve is ideal for industries such as chemical processing, oil & gas, power generation, water treatment, and HVAC systems.
Q10: What is the leakage class of this valve?
A10: The NFDV557-S00 S2 has a leakage class of ANSI/FCI 70-2, Class IV, which ensures minimal leakage during operation.