Battery Pack Unidirectional Pressure Relief Valve

The Battery Pack Unidirectional Pressure Relief Valve from PUW is a specialized solution designed to enhance safety in new energy vehicle battery packs. This valve is crafted from high-strength aluminum with an anti-oxidation coating, ensuring excellent durability and corrosion resistance. It features a dual-channel design, allowing for efficient ventilation and rapid pressure relief while maintaining a high protection level of IP68. The valve's explosion-proof point is highly customizable, offering precise control based on customer requirements. Additionally, it supports quick gas tightness detection and easy installation, making it suitable for various battery pack designs. Backed by multiple patents and international certifications like ISO and IATF16949, this valve provides reliable protection against thermal runaway and environmental contaminants.

Function

• The Battery Pack Unidirectional Pressure Relief Valve is designed to maintain safe pressure levels inside new energy battery packs by enabling efficient ventilation and rapid pressure relief.

• It prevents overpressure situations within the battery pack ventilation system, reducing risks of damage or thermal runaway.

• The valve allows gas to escape unidirectionally, ensuring internal pressure balance without compromising the sealed environment.

• It also supports quick gas tightness detection to monitor battery integrity.

Advantages & Features

• High-strength Aluminum Alloy Construction with an anti-oxidation coating offers excellent corrosion resistance and durability.

• Dual-channel design supports both ventilation and pressure relief for improved safety and operational efficiency.

• Certified to IP68 protection rating, ensuring reliable performance in harsh environments, including dust and water exposure.

• Customizable explosion-proof points provide precise control over pressure relief thresholds, tailored to specific battery pack safety requirements.

• Supports threaded installation for easy mounting on various battery pack models.

• Enables fast and reliable gas tightness detection to ensure ongoing safety.

• Complies with international standards such as ISO and IATF16949, backed by multiple patents.

Application Scenarios

• Electric Vehicles (EVs): Protects lithium-ion battery packs in electric cars and commercial EVs from pressure-related hazards.

• Energy Storage Systems: Ensures safety in stationary battery packs used for renewable energy storage.

• Industrial Equipment: Enhances battery pack safety in forklifts, robotics, and automated guided vehicles.

• New Energy Battery Manufacturing: Integrated into battery pack designs to meet strict safety certifications and regulatory compliance.

Maintenance & Installation

• The valve is designed for threaded installation, allowing secure and straightforward mounting to battery packs.

• Regular inspection and testing can be performed via gas tightness detection to monitor valve and pack integrity.

• Minimal maintenance is required due to the valve’s robust materials and corrosion-resistant surface treatment.

• Replacement or servicing should be conducted according to the manufacturer's guidelines to maintain optimal performance.

FAQ

Q1: What materials are used in the valve?
A1: The valve body is made from high-strength aluminum alloy with an anti-oxidation coating, providing excellent durability and corrosion resistance.

Q2: What is the pressure relief capacity?
A2: The valve features customizable explosion-proof points with typical operating pressure relief between 3 to 5 kPa, suitable for various battery pack specifications.

Q3: How does the valve prevent battery damage?
A3: By enabling unidirectional pressure relief, the valve prevents overpressure buildup and reduces the risk of thermal runaway within the battery pack.

Q4: Is the valve waterproof?
A4: Yes, it has an IP68 rating, ensuring it is dust-tight and protected against long-term water immersion.

Q5: Can the valve be used in all battery pack types?
A5: It is compatible with most new energy battery packs and supports various designs through its modular, threaded installation.