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?Explosion Protection Standards for Fuel Dispensers
作者:admin 發(fā)布于:2025/4/29 14:20:21 點擊量:

Explosion Protection Standards for Fuel Dispensers: Key Chinese National Standards (English Overview)

China's fuel dispenser explosion protection standards are primarily defined in the GB/T 22380 series, which aligns with international safety frameworks while incorporating localized requirements. Below is a synthesis of core standards and their English-language requirements:


1. GB/T 22380.1-2017

Title: Explosion Protected Safety Technique of the Petrol Filling Station – Part 1: Explosion Protected Safety Technique Requirements for Fuel Filling Dispenser
Scope:

  • Applies to fuel dispensers with a flow rate ≤200 L/min used in environments ranging from -20°C to +40°C.

  • Covers design, installation, and operational safety for outdoor gas stations.

Key Requirements:

  • Explosion Classification:

    • Electrical components must meet GB 3836.1-2010 (IEC 60079-0 equivalent) for Zone 1 and Zone 2 environments.

    • Minimum ignition energy (MIE) compliance for Zone 1: ≤1 mJ.

  • Material Stability:

    • Components in contact with fuel must resist corrosion (tested per ISO 9328).

    • Aluminum alloys require compliance with GB 25286.1-2010 for explosion-proof properties .

  • Leakage Control:

    • Hydraulic systems must limit internal leakage to ≤4 L and external leakage to ≤1 L during pressure tests.

  • Electrical Safety:

    • Cables must have insulation resistance ≥100 MΩ (per GB/T 3836.15).

    • Emergency shutdown systems must disconnect power within 0.5 seconds of activation.


2. GB/T 22380.2-2010

Title: Explosion Protected Safety Technique of the Petrol Filling Station – Part 2: Safety Requirements for Construction and Performance of Safe Breaks
Focus:

  • Safety Break Valves:

    • Mandatory installation between fuel hoses and nozzles to prevent leaks exceeding 15 mL during rupture.

    • Materials must withstand fuel immersion (tested per EN 13463-1).

  • Mechanical Integrity:

    • Valves must withstand 500 N tensile force without separation.

    • Reusable valves require full disassembly and reassembly testing.


3. GB 22380.1-2008 (Superseded by 2017 Edition)

Legacy Requirements:

  • Zone Classification:

    • Refueling areas designated as Zone 1 (ignition likely) and Zone 2 (ignition unlikely).

    • Enclosures must have IP54 protection against dust/water.

  • Vapor Barrier Systems:

    • Use of non-conductive materials to prevent static buildup (tested per EN 13463-1).


4. International Compliance

  • ATEX/IECEx:

    • Chinese standards align with ATEX Directive 2014/34/EU for equipment in explosive atmospheres.

    • Mandatory CE marking for exports to EU markets.

  • UL/CSA:

    • Electrical components must meet UL 1203 (explosion-proof enclosures) for North American markets.


5. Implementation Guidelines

  • Testing Protocols:

    • Vibration resistance: 20 g acceleration for 1 hour (per GB/T 2423.10).

    • Temperature cycling: -40°C to +85°C for 24 hours.

  • Documentation:

    • Manufacturers must provide Explosion Protection Certificates (e.g., GB/T 3836.1 compliance statements).


How to Access Full Standards

  1. Official Sources:

    • Purchase from China Standards Service Center ( or SAC/TC 9 (National Technical Committee on Explosion Protection).

  2. Third-Party Translations:


Key Differences from International Standards

AspectGB/T 22380IEC 60079
Zone ClassificationSimplified Zone 1/2Detailed Zone 0/1/2/21/22
Material TestingFocus on corrosion resistanceEmphasis on electrical safety margins
CertificationMandatory CPA markCE/ATEX marks

For detailed implementation, refer to the full texts of GB/T 22380.1-2017 and GB/T 22380.2-2010.





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