The Waterproof Breathable Explosion-Proof Valve is engineered to deliver superior explosion protection, moisture resistance, and ventilation performance for critical industrial and outdoor applications. Designed with IP68/6K9K protection rating, this waterproof explosion-proof vent valve ensures safe air and gas exchange while effectively blocking water, dust, and other environmental contaminants.
Ideal for use in marine environments, outdoor communication equipment, energy storage systems, and hazardous industrial sites, the PB10A4K-50G-8T Waterproof Breathable Explosion-Proof Valve provides safe pressure equalization without compromising enclosure integrity.


Product model | PB10A4K-50G-8T |
|
|
Product type | Waterproof and breathable Explosion-Proof Valve | Body Material | Aluminum alloy |
Valve installation type | Internal flange type (protection type) | Ingress protection | IP68/6K9K |
Air permeability ML/min@1.5kPa | ≥600 | kPa Turning pressure kPa | 7~13 |
Air permeability ML/min@2.5kPa | ≥1000 | Installation: | 4-hole internal mounting |
Fully open exhaust area of the spool (mm²) | 580 |
|
|
Key Features of Waterproof Breathable Explosion-Proof Valve
Waterproof and Dustproof Design (IP68/6K9K Rated)
With an industry-leading IP68/6K9K ingress protection level, this waterproof explosion-proof vent valve offers total defense against water immersion, dust, and high-pressure water jets, making it ideal for outdoor and marine applications.
High Breathability with Pressure Equalization
Achieving an air permeability of ≥600 ML/min @1.5kPa and ≥1000 ML/min @2.5kPa, the breathable explosion-proof valve ensures continuous air flow while preventing moisture accumulation and maintaining internal pressure balance.
Explosion-Proof Safety
Designed for explosion protection, this anti-explosion breather valve safely relieves internal pressure build-up, preventing gas accumulation and minimizing the risk of ignition within sealed enclosures.
Durable Aluminum Alloy Body
The aluminum alloy construction ensures long-lasting corrosion resistance and mechanical durability, making the valve suitable for harsh industrial environments.
Optimized Opening Pressure Range
With a turning pressure range between 7~13 kPa, this pressure relief explosion-proof valve ensures timely venting during pressure surges, preventing enclosure damage.
Compact Design with 4-Hole Internal Mounting
The internal flange mounting with a 4-hole installation design ensures easy and secure attachment within various enclosures, battery packs, and control cabinets.
Efficient Gas Release Area
Featuring a fully open exhaust area of 580 mm², the valve allows rapid pressure relief, improving overall system safety.
Applications of Waterproof Breathable Explosion-Proof Valve
This waterproof breathable explosion-proof valve is ideal for various industries where both moisture protection and explosion safety are critical:
Lithium Battery Packs (Energy Storage Systems)
Provides safe venting and waterproof protection for EV battery enclosures and ESS cabinets.
Outdoor Electrical and Communication Cabinets
Ensures pressure equalization while blocking rain, dust, and condensation build-up.
Marine Equipment
Perfect for use in marine electronics, control boxes, and navigation systems exposed to saltwater environments.
Industrial Control Cabinets
Protects sensitive electrical components from moisture, dust, and explosive atmospheres.
Chemical Storage Tanks and Containers
Prevents gas build-up and ensures pressure control in chemical storage systems.
Frequently Asked Questions (FAQ)
Q1: What is a Waterproof Breathable Explosion-Proof Valve?
A: It’s a safety vent valve that allows air and gas to pass through for pressure balance while preventing water, dust, and hazardous gases from entering the enclosure. It also provides explosion protection by safely venting excess internal pressure.
Q2: Where is this valve typically used?
A: Commonly used in energy storage systems, outdoor communication cabinets, marine equipment, battery packs, and chemical storage containers requiring both waterproofing and explosion protection.
Q3: What protection rating does the valve have?
A: The valve meets IP68/6K9K standards, ensuring full waterproof, dustproof, and high-pressure spray resistance.
Q4: How does the valve prevent explosions?
A: The valve opens automatically within the 7~13kPa pressure range, releasing accumulated gases before dangerous pressure levels are reached, thus reducing explosion risks.
Q5: What materials is the valve made from?
A: The valve body is constructed from high-strength aluminum alloy, offering excellent corrosion resistance and long service life.
Q6: Can this valve handle outdoor and marine environments?
A: Absolutely. Thanks to its waterproof, dustproof, and corrosion-resistant design, it performs reliably in outdoor, marine, and harsh industrial environments.