Brass Battery Vent Plugs & Accessories - Flip Type, Screw Type, Snap-Fit, Flame Arrestor & Breather Valve Designs

Common Sizes (Range Overview)

Materials

• Body: Free-Cutting Brass (IS 319 / CuZn39Pb3)
• Optional: Flame Retardant Brass Alloy (with Nickel)
• Seals: EPDM / Nitrile / Silicone (for electrolyte resistance)
• Filters / Membranes: PTFE, SS Mesh, Sintered Bronze

Thread / Mounting Types

• Metric Threads (M8 to M12)
• BSP (G1/8", G1/4") - Common for venting applications
• Press-Fit / Snap-Lock / Bayonet Fit
• Grooved for O-ring sealing
• Integrated tabs or handles for manual operation

Protection Rating

• IP54 to IP67 - Depending on design and fit
• Pressure Equalizing & Venting Capabilities
• Flame Arrestor & Gas Diffuser Types - Tested for ignition arrest
• Chemical-Resistant - Suitable for acidic/alkaline vapors

Surface Finish Options

• Natural Brass (Standard)
• Nickel Plated (For improved chemical resistance)
• Tin Plated (Optional - where electrical contact is needed)

Features

• Auto-vent and manual-vent types available
• Prevents over-pressure and electrolyte leakage
• Flame arrestor variants ensure explosion protection
• Micro-vent filters allow gas to escape while keeping dust/water out
• Can be integrated with indicator caps or anti-tamper seals
• Lightweight & corrosion-resistant for long battery life cycles

Application Areas in EV Sector

• EV Battery Packs - Pressure and gas venting in sealed housings
• Stationary Battery Systems - Safety venting for large storage
• Swappable Battery Modules - Quick access vent caps
• Two-Wheeler EVs - Compact battery pack plugs
• Energy Storage Systems (ESS) - Flame-proof venting solutions
• Marine / Solar Batteries - Vents for deep cycle battery enclosures