EV Battery Explosion-Proof Vent Valve

The EV Battery Explosion-Proof Vent Valve from PUW is a specialized safety solution designed for new energy vehicle battery packs. This valve is engineered to maintain pressure balance and provide rapid pressure relief, ensuring safety and reliability within non-vacuum sealed battery cavities. Made from high-strength aluminum with an anti-oxidation coating, it offers excellent durability and corrosion resistance, while its IP68 protection rating ensures robust performance in harsh environments. 

The valve features a dual-channel design that allows for both ventilation and pressure release, preventing gas accumulation and ensuring efficient operation. It also supports high-precision initiation points and repeatable detection, enabling customizable explosion-proof settings based on customer requirements. Additionally, the valve’s design allows for quick gas tightness detection and easy installation, making it a cost-effective and reliable choice for new energy vehicle applications.

Functions

The EV Battery Explosion-Proof Vent Valve is a critical safety component designed for new energy vehicle battery packs. Its primary function is to maintain pressure balance inside the battery pack, preventing damage from excessive internal pressure. The valve provides rapid pressure relief through a dual-channel design, which ensures efficient ventilation and prevents gas accumulation, thereby significantly reducing the risk of battery explosion. This valve supports high-precision triggering and repeatable detection, allowing customizable explosion-proof settings to meet diverse battery safety requirements. Additionally, its waterproof and breathable design, certified with an IP68 protection rating, guarantees reliable operation even in harsh environmental conditions.

Advantages & Features

Constructed from high-strength aluminum alloy, the valve boasts excellent corrosion resistance and durability thanks to an anti-oxidation coating. The valve’s IP68/6K9K ingress protection ensures it can withstand dust, water jets, and pressure cleaning without performance loss. Featuring a threaded installation type, this valve can be easily and securely mounted in EV battery systems. The fully open exhaust area of the spool allows for efficient gas release, improving the overall battery pack safety. The valve complies with international standards for explosion-proof vent valves, making it ideal for electric vehicle (EV) battery packs and other power battery applications.

Applications

This explosion-proof vent valve is widely used in:

• Electric vehicle battery packs where safety and pressure control are critical.

• Manufacturing lines for power batteries and battery modules.

• Professional battery safety testing and maintenance facilities.

• Research and development platforms for new energy battery systems.

• Other industrial energy storage devices requiring reliable ventilation and explosion protection.

Maintenance & Installation

The valve uses a threaded installation method, simplifying integration into existing battery packs. To maintain optimal performance, it is important to perform regular inspections to check for gas tightness, clogging, or corrosion. Maintenance should involve using professional airtightness detection tools to ensure the valve’s explosion-proof venting capabilities remain intact. Periodic replacement is recommended based on the battery pack’s operating environment and frequency of use. Avoid prolonged exposure to corrosive conditions to prolong the valve’s service life.

FAQ

What types of battery packs are compatible with this valve?
The valve is specifically designed for non-vacuum sealed new energy battery packs, such as lithium-ion EV batteries.

How does the valve ensure safety during pressure buildup?
The dual-channel design provides rapid pressure relief and ventilation, preventing dangerous gas accumulation and potential explosions.

What is the protection rating of the valve?
It has an IP68 ingress protection rating, making it resistant to dust and water, suitable for harsh environments.

How is the valve installed?
The valve is installed using a threaded connection, ensuring a secure and airtight fit within the battery pack.

Can the valve be tested and reused?
Yes, it supports high-precision initiation and repeatable detection, but regular maintenance and timely replacement are essential to maintain safety.