Explosion-Proof Vent Valve for EV Battery Packs

SST explosion-Proof Vent Valve are designed for non-vacuum sealed EV battery packs. They balance pressure in normal operation and provide rapid, directional relief if internal pressure exceeds the set point, with IP68/IP69K protection.

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    SST Explosion-Proof Vent Valve for EV Battery Packs

    SST explosion-proof valves are engineered for non-vacuum sealed compartments such as new energy battery packs. In normal use they equalize pressure; when internal pressure exceeds the set point they open for rapid, directional relief. Protection rating: IP68/IP69K.

    Product Features

    • Dual-channel design: Faster pressure release and higher safety margin than a single path
    • Defined opening point: Controlled burst/relief point; re-testable after assembly
    • Rapid leak check: Can be pressurized with matching fittings for fast airtightness testing
    • Corrosion-resistant body: Aluminum with anti-oxidation coating for acid, alkali, and outdoor exposure
    • High protection level: IP68/IP69K sealing against water and dust

    Typical Applications

    • EV / ESS battery packs
    • Non-vacuum sealed energy storage enclosures
    • High-voltage battery housings requiring both breathing and emergency relief

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    SST is a fluoropolymer technology R&D and innovation company based on materials technology, focusing on the R&D and application research of PTFE porous materials.

    A durable and easy-to-install explosion-proof ventilation solution.

    STT® Battery Vents Vent explosion proof valve Series provides:

     

    Dual-Channel Design

    Greatly improves pressure relief efficiency and safety.

    Rapid Pressure Relief

    Activates instantly when internal pressure exceeds limits, effectively preventing explosions.

    High Protection

    IP68/IP69K rated, excellent sealing against water, dust, and harsh environments.

    New Energy Vehicles

    Main Applications:

    • New Energy Vehicle Battery Packs
    • Battery Compartments and Enclosures
    • Motor Controllers and High-Voltage Systems
    • Other Sealed Electronic Modules in NEVs

    Challenges & Solutions With the rapid development of new energy vehicles, battery packs and sealed electronic compartments face risks of gas accumulation, thermal runaway, and sudden pressure spikes. Traditional vents struggle to provide both long-term pressure balancing and rapid emergency relief, increasing explosion risks in harsh automotive environments.

    Spider Explosion-Proof Vent Valve is specifically engineered for non-vacuum sealed battery compartments. It maintains continuous pressure balance while offering rapid pressure relief. With IP68/IP69K protection, precise detonation points, dual-channel design, and corrosion-resistant aluminum construction, it ensures high safety, re-detectability, and reliable performance. Custom solutions are available.

    Main Applications:

    • Energy Storage Systems (ESS)
    • Industrial Battery Packs
    • High-Power Electrical Enclosures
    • Photovoltaic and Power Equipment

    Challenges & Solutions Large-scale energy storage and industrial power systems generate significant heat and gas during operation or faults, leading to dangerous pressure buildup in sealed enclosures. Rapid and controlled pressure release is critical to prevent explosions while maintaining daily sealing and protection.

    Spider Explosion-Proof Vent Valve provides both continuous pressure equalization and high-efficiency emergency relief through its dual-channel design. It achieves IP68/IP69K rating, features precise and repeatable activation, corrosion resistance, and easy installation. It greatly enhances system safety and reliability in demanding industrial environments.

    SST® M12*1.5

    Available in protection levels IP67/IP68/IP69
    Balances the pressure difference inside and

    Customizable specifications, sizes, and
    materials

    SST® Internal lock M4*0.7

    Available in protection levels IP67/IP68/IP69
    Balances the pressure difference inside and

    Customizable specifications, sizes, and
    materials

    SST® M32*1.5

    Available in protection levels IP67/IP68/IP69
    Balances the pressure difference inside and

    Customizable specifications, sizes, and
    materials

    SST® M40*1.5

    Available in protection levels IP67/IP68/IP69
    Balances the pressure difference inside and

    Customizable specifications, sizes, and
    materials

    SST Products have been fully tested by independent laboratories and certified to meet a range of IEC, UL and DIN testing standards, including durability/resistance to environmental challenges including:

    • IP Ratings
    • Salt Fog Testing
    • Temperature Testing
    • Humidity Testing
    • Flammability Testing

    Technical Parameters

    Product Model Typical air permeability (ml/min/cm2) @ 7kPa Protection level Water pressure resistance KPa, 60S Material color Temperature range (°C)
    FB-AL-20150A-6-W00200100 ≥400@2.5kPa IP67 / 6061 aluminum alloy True Colors -40~125
    FB-AL-32150A-4-W00200100 (structure) ≥600@2.5kPa IP67 / 6061 aluminum alloy True Colors -40~125
    FB-AL-40150A-6-W00200100 (structure) ≥1000@2.5kPa IP67 / 6061 aluminum alloy True Colors -40~125
    FB-AL-Internal 04070-4-W00200100 ≥1000@2.5kPa IP67 / 6061 aluminum alloy True Colors -40~125