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Petrochemical Equipment
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Petrochemical Equipment

Petrochemical Equipment

Valves serve as critical control equipment in petrochemical plants, mainly used in the following processes:

Refining Units

◆ Atmospheric and vacuum units: High-temperature gate valves (≤600°C)

◆ Catalytic cracking: Wear-resistant ball valves (catalyst service)

◆ Hydrotreating: High-pressure hydrogen service valves (Class 1500+)

Chemical Production

◆ Ethylene plants: Cryogenic valves (-196°C)

◆ Polyethylene units: Special wear-resistant valves for powder materials

◆ Aromatic units: Corrosion-resistant alloy valves

Utility Systems

◆ Steam systems: High-temperature and high-pressure globe valves

◆ Cooling water: Large-diameter butterfly valves (DN2000+)

◆ Flare systems: Emergency relief valves

Special Requirements

◆ Hydrogen embrittlement resistant materials (NACE standard)

◆ Fireproof and anti-static design (API 607/6FA)

◆ Zero-leakage sealing (ISO 15848)

Petrochemical valves must comply with international standards such as API and ASME. Their reliability and safety are directly related to the long-term operation of the plants.