Electric High-Temperature Resistant Butterfly Valve Product Introduction
Product Overview
The Electric High-Temperature Resistant Butterfly Valve is designed for high-temperature applications. It is widely used in industries such as petrochemical, power generation, and metallurgy. This valve combines a high-efficiency electric actuator with advanced hard-seal technology. It ensures stable operation in high-temperature environments.
Electric Actuator Parameters
- Regulating Type
– Function: Allows precise flow control. It is suitable for applications that require accurate flow and pressure regulation.
– Features: Offers various control methods. These include analog signals (4-20mA) and digital signals (HART protocol). This ensures precise control.
- Explosion-Proof Type
– Function: Suitable for environments with explosion hazards. It prevents electric sparks from the actuator.
– Features: Complies with international explosion-proof standards, such as ExdIIBT4. This ensures safety in hazardous environments.
- Intelligent Integrated Type
– Function: Integrates intelligent control features. It supports remote monitoring, data collection, and self-diagnosis.
– Features: Equipped with advanced control algorithms. These allow adaptive adjustment and fault warning. This enhances operational intelligence.
Hard-Seal Structure Description
The hard-seal butterfly valve features a robust hard-seal structure. It includes the following key components:
– Hard-Seal Materials: Uses high-wear-resistant alloy materials, such as nickel-based alloys and tungsten carbide. These materials withstand harsh high-temperature and high-pressure conditions.
– Seal Ring Design: The seal ring is embedded in the valve body. It forms a solid sealing layer to prevent media leakage. The hard-seal structure ensures sealing performance and durability under high temperatures.
– Valve Body and Disc: Both the valve body and disc are made from high-temperature-resistant materials, such as stainless steel and alloy steel. They are precision-machined to ensure smooth sealing surfaces and enhanced sealing effectiveness.
Temperature Range for Different Valve Body Materials
- Stainless Steel
– Temperature Range: Common stainless steels like 304 and 316 have a temperature range of -200°C to +800°C.
– Applications: Suitable for most high-temperature media, such as hot water and steam.
- Alloy Steel
– Temperature Range: Alloy steels like P22 and P91 can withstand temperatures from -50°C to +600°C.
– Applications: Used in high-temperature pressure vessels and industrial furnaces.
- Nickel-Based Alloy
– Temperature Range: Can withstand temperatures up to +1000°C and above.
– Applications: Used in extreme high-temperature environments, such as high-temperature gases and molten metal handling.
Media and Working Conditions
- Media
– Hot Water and Steam: Widely used in power plants and chemical plants with high-temperature conditions.
– High-Temperature Gases: Suitable for petrochemical and metallurgical industries with high-temperature gas transport.
– High-Temperature Oils: Used in hot oil heating systems for oil flow.
- Working Conditions
– Operating Temperature: Typically ranges from -50°C to +1000°C, depending on the valve body material.
– Operating Pressure: Designed for medium to high-pressure ranges, depending on application requirements.
– Environmental Conditions: Suitable for harsh environments. It can withstand vibrations, corrosion, and extreme temperature fluctuations.
Summary
The Electric High-Temperature Resistant Butterfly Valve is ideal for high-temperature applications. It combines an excellent hard-seal structure with advanced electric actuator technology. This ensures reliable operation in various high-temperature environments. Whether with regulating, explosion-proof, or intelligent integrated electric actuators, this valve meets diverse application needs. It enhances system safety and automation.
