The Waterproof Explosion-Proof Valve is an advanced industrial safety component designed to deliver superior waterproof, explosion-proof, and pressure equalization performance. Engineered for high-risk environments such as oil and gas, chemical plants, mining operations, marine engineering, and power plants, this explosion-proof vent valve ensures secure and stable operation in demanding applications.

Product model | PB10A2K-42G-8T |
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Product type | Waterproof and breathable Explosion-Proof Valve | Body Material | Aluminum alloy |
Valve installation type | External flange type (protection type) | Ingress protection | IP68/6K9K |
Air permeability ML/min@1.5kPa | ≥400 | kPa Turning pressure kPa | 7~13 |
Air permeability ML/min@2.5kPa | ≥600 | Installation: | 2-hole external mounting |
Fully open exhaust area of the spool (mm²) | 400 |
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1. Superior Waterproof Protection (IP68/6K9K Rated)
This waterproof vent valve is tested and certified to IP68 standards, allowing it to operate reliably even when fully submerged. It offers waterproof protection for outdoor electronics, electrical enclosures, and critical industrial equipment exposed to high moisture or rainfall.
2. Certified Explosion-Proof Safety (ATEX / IECEx Compliant)
As an ATEX certified Explosion-Proof Valve, this model ensures safe operation in hazardous locations where flammable gases, vapors, or dust are present. Its spark-free construction minimizes risks of static discharge and arc generation, making it ideal for explosion-proof air vent applications.
3. High Temperature and Corrosion Resistance
Built with temperature-resistant and corrosion-resistant materials, this explosion-proof breather valve maintains performance in extreme conditions such as chemical processing plants, offshore platforms, and mining sites with corrosive gases or saltwater exposure.
4. Efficient Pressure Equalization and Venting
With high air permeability and a large fully open exhaust area, this pressure equalization explosion-proof valve ensures controlled venting and prevents internal overpressure in sealed enclosures. This is critical for protecting battery packs, junction boxes, and LED drivers operating in fluctuating pressure environments.
5. Long Service Life with Minimal Maintenance
Designed for durability and reliability, this IP68 explosion proof valve offers a long operational lifespan, reducing the need for frequent maintenance. This makes it a cost-effective solution for industries that demand continuous and safe operation.

Applications of Waterproof Explosion-Proof Valve
The Waterproof Explosion-Proof Valve is widely deployed in various industries requiring both explosion-proof protection and waterproof performance, including:
Oil and Gas Industry: For pipeline safety and offshore platform protection.
Chemical Plants: Safeguarding against corrosive gases and chemical leaks.
Mining Operations: Providing dust-proof and explosion-proof solutions in underground and surface mining areas.
Marine Engineering: Ensuring long-term reliability in salty, submerged, or high-humidity environments.
Power Plants: Handling high-pressure steam or gas systems where explosion risks exist.
Outdoor Electronics and LED Lighting: For waterproof and explosion proof venting of sensitive electronics.
Customization Options
We offer full customization services to meet your specific engineering and operational requirements. Custom options include:
Material choices (Aluminum alloy, Stainless steel, etc.)
Connection type (threaded, flanged, or custom mounting designs)
Size and airflow rate adjustment
ATEX, IECEx, and other certification options for different markets
For outdoor electronics, hazardous location equipment, or battery pack ventilation, we can design tailored waterproof explosion proof vent valves for your application.
Frequently Asked Questions (FAQ) about Waterproof Explosion-Proof Valve
Q1: What is a Waterproof Explosion-Proof Valve?
A: A Waterproof Explosion-Proof Valve is a specialized industrial venting solution that offers both waterproof protection (IP68 rated) and explosion-proof safety (ATEX/IECEx compliant). It helps equalize pressure inside sealed enclosures while preventing water ingress and explosion risks caused by flammable gases or dust.
Q2: Where is this Explosion-Proof Vent Valve typically used?
A: This valve is widely used in industries like oil and gas, chemical processing, mining operations, marine engineering, power plants, and outdoor electronics enclosures. It’s ideal for environments requiring both waterproof protection and explosion-proof safety.
Q3: What are the key features of the PB10A2K-42G-8T Waterproof Explosion-Proof Valve?
A:
IP68 waterproof rating for submerged environments
Explosion-proof certification (ATEX / IECEx)
High air permeability for efficient venting
Corrosion and temperature resistance
Spark-free design
Long service life with low maintenance
Q4: How does the valve handle pressure equalization?
A: The valve provides high airflow permeability (≥600 ML/min @2.5kPa), allowing it to equalize internal and external pressures effectively. This helps protect sensitive equipment like battery packs, junction boxes, and LED drivers from pressure build-up or vacuum damage.
Q5: Can I customize the Waterproof Explosion-Proof Valve for my application?
A: Yes. We offer customization services, including material selection, connection type, valve dimensions, and specific certification requirements to meet your unique industrial or environmental needs.
Q6: What certifications does this explosion-proof valve meet?
A: The Waterproof Explosion-Proof Valve complies with industry-recognized explosion protection standards such as ATEX and IECEx, ensuring it meets hazardous location safety requirements.