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PUW EPTFE  Material Co., Ltd. It is a high-tech company integrating R&D, production, sales and service.

The company introduces international advanced technology and focuses on the development and application of expanded polytetrafluoroethylene (PTFE).

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Waterproof Breathable Explosion-Proof Valve
  • Waterproof Breathable Explosion-Proof Valve

Waterproof Breathable Explosion-Proof Valve

Model: PB10A4K-50G-8T

The Waterproof Breathable Explosion-Proof Valve offers the ultimate combination of explosion protection, breathability, and waterproofing. It allows the safe exchange of gases and air while maintaining an airtight seal against water and moisture ingress. This valve is perfect for use in outdoor and marine environments, as well as in applications where both moisture and explosive risks are present. Its robust construction ensures safety in even the harshest environments.
Product Details

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.

Waterproof Breathable Explosion-Proof Valve

PB10A4K-50G-8T


Product modelPB10A4K-50G-8T

Product typeWaterproof and breathable Explosion-Proof ValveBody MaterialAluminum alloy
Valve installation typeInternal flange type (protection type)Ingress protectionIP68/6K9K
Air permeability ML/min@1.5kPa≥600kPa  Turning pressure kPa7~13
Air permeability ML/min@2.5kPa≥1000Installation:4-hole internal mounting
Fully open exhaust area of the spool (mm²)580



Key Features of Waterproof Breathable Explosion-Proof Valve

  1. 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.

  2. 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.

  3. 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.

  4. Durable Aluminum Alloy Body
    The aluminum alloy construction ensures long-lasting corrosion resistance and mechanical durability, making the valve suitable for harsh industrial environments.

  5. 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.

  6. 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.

  7. 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.

Previous: Breathable Explosion-Proof Valve2024-12-30
We have been committed to the promotion and application of new EPTFE materials and technologies as well as waterproof and breathable products.

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Telephone: 0769-22850556

Email: lvch@puw-eptfe.com

Address: No.20, Wanjiang Industrial Street, Wanjiang District, Dongguan City, Guangdong Province, China

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