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How to Judge the Quality of a Double Wall Fuel Tank

2026-02-11 Leave a message

Material & Workmanship

  • High-quality materials: Inner layer uses high-strength, corrosion-resistant steel; outer layer uses carbon steel or stainless steel.
  • Quality standards: Materials must meet standards, free from impurities, cracks, and other defects.
  • Weld inspection: Welds should be smooth and dense, without missed welds or weak welds.
  • Sealing integrity: Sealing strips at joints must be tightly fitted for optimal performance.
  • Structural form: Overall shape should be regular, without deformation or unevenness.
  • Durability factor: Material and workmanship directly determine the tank's foundational durability.

Leak Prevention & Monitoring

  • Structure verification: Double-layer gap structure must have uniform gaps and good sealing performance.
  • System sensitivity: Leak detection system should quickly detect even minor leaks with clear alarm notification.
  • Component integrity: Valves, interfaces, and other components must withstand rated pressure without leakage.
  • Reliable monitoring: High-quality systems operate stably 24/7 without false alarms or missed alerts.
  • Pressure testing: All components should be tested under rated pressure conditions to ensure integrity.
  • Long-term reliability: Monitoring systems must maintain accuracy and responsiveness throughout service life.

Compliance & Certification

  • Quality reports: Products must have quality inspection reports from authoritative institutions.
  • Standard compliance: Must comply with international and local environmental and safety standards.
  • Manufacturer qualifications: Check for complete production qualifications and certifications.
  • Clear labeling: Tank body must clearly label material, rated capacity, and service life parameters.
  • Risk avoidance: Products without qualifications or vague parameters pose compliance risks.
  • Safety assurance: Proper certification ensures long-term quality and safety performance.

Structure & Adaptability

  • Structural stability: Observe overall stability with reasonable pressure and seismic resistance design.
  • Environmental adaptation: Must adapt to environmental requirements of target use scenarios.
  • Material specifications: Inner steel layer thickness must meet standards; outer anti-corrosion layer should have strong adhesion.
  • Design considerations: Installation interface design should be scientific, adaptable to various fuel supply equipment.
  • Maintenance accessibility: Should include reserved space for maintenance and service access.
  • Long-term suitability: Must have good resistance to temperature changes and media corrosion for extended use.
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