ZDLN Electric Double-Seat Control Valve

The ZDLN Type Electric Double-Seat Control Valve is designed with a dual-seated structure that ensures precise flow regulation even in high-pressure environments. Its compact design allows it to handle a wide range of fluids with varying pressure and flow characteristics. With an electric actuator, it ensures accurate control and high performance across multiple industrial applications, including chemical processing, power generation, and water treatment systems.
The ZDLN valve provides a balance between reliability and precision, capable of handling difficult operational conditions such as large pressure differences and liquid media with potential for slurry blocking. Available in various sizes and with multiple actuator configurations, the ZDLN valve is an ideal choice for industries requiring efficient fluid control.
Technical Specifications
| Component | Specification |
|---|---|
| Valve Type | Through two-seater cast body |
| Valve Size | DN20 – DN200 |
| Nominal Pressure | PN16, PN40, PN63, PN100 |
| Material | ZG230-450, ZGCr18Ni9Ti, ZGCr18Ni12Mo2Ti |
| Flange Standard | GB9113-2000, JB/T79-94 |
| Temperature Range | Standard type: -20°C to +200°C |
| Heat type: -40°C to +450°C | |
| Low temperature: -60°C to -196°C | |
| Actuator Type | Electric actuator |
| Control Signal | Proportional control or ON/OFF control |
| Output Power | 800-16000 N |
| Travel | 16mm to 60mm |
| Speed | 3.8 seconds to 60 seconds |
Kv Rated Value & Travel
| Nominal Diameter (DN) | Kv Rated Value | Actuator Model | Output Power (N) | Travel (mm) | Speed (s) |
|---|---|---|---|---|---|
| 20 | 6.9 | 381LSA-08/20 | 800/2000 | 16mm | 3.8 / 7.6 |
| 25 | 11 | 381LSB-30/50 | 3000/5000 | 25mm | 7.2 / 14.7 |
| 50 | 44 | 381LSC-50/SC-65 | 5000/6500 | 60mm | 23.5 / 14.3 |
| 100 | 176 | 381LSC-99/160 | 10000/16000 | 60mm | 30 / 60 |
Functions and Benefits
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Dual-Seat Design: The double-seat configuration provides enhanced pressure resistance, ideal for managing high-pressure and flow control in various industrial systems.
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Proportional and ON/OFF Control: The valve’s electric actuator supports both proportional control for precision and ON/OFF control for simpler applications.
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Reliable and Efficient: Built for reliability, the ZDLN valve operates efficiently across various fluid conditions, ensuring long-lasting performance even in challenging environments.
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Versatile Applications: Suitable for both combined flow and diversion flow configurations, offering flexibility for different system needs.
Applications
The ZDLN Type Electric Double-Seat Control Valve is designed for diverse industrial applications:
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Chemical Processing: Used for controlling corrosive and hazardous liquids, ensuring precise regulation in manufacturing processes.
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Oil & Gas: Excellent for high-pressure systems in the oil and gas industry, managing the flow of crude oil, natural gas, and refined products.
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Power Generation: Ideal for controlling the flow of fluids in power plants, ensuring system efficiency in cooling and steam management.
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Water Treatment: Perfect for controlling the flow of treated and untreated water in municipal and industrial treatment plants.
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Food & Beverage: Meets hygiene and accuracy standards required in food processing applications, managing fluid flow through production lines.
Product Advantages
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Dual-Seat Structure: The double-seat design provides optimal sealing, ensuring smooth and reliable operation under high-pressure conditions.
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Electric Actuator with Proportional Control: Offers precise and flexible control options, ensuring performance in systems requiring high accuracy.
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Durability and Longevity: Built to withstand the toughest conditions, providing dependable and long-term performance in challenging environments.
