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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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Breathable Explosion-Proof Valve
  • Breathable Explosion-Proof Valve

Breathable Explosion-Proof Valve

Model: PB10A4K-70D-8T

The Breathable Explosion-Proof Valve combines the safety features of explosion-proof technology with advanced breathability, allowing air and gas exchange while maintaining protection against explosions. Its design ensures that volatile gases or fumes do not accumulate, while effectively preventing the ingress of dangerous substances. This valve is widely used in industries like pharmaceuticals, food processing, and industrial equipment where ventilation and explosion protection are both critical.
Product Details

The Breathable Explosion-Proof Valve is a specialized safety device designed to provide ventilation, pressure equalization, and explosion protection in one compact unit. This waterproof and breathable Explosion-Proof Valve allows controlled air and gas exchange while preventing the accumulation of hazardous gases inside sensitive enclosures such as battery packs, chemical containers, or industrial equipment housings.

Built with a durable aluminum alloy body and featuring an IP68/6K9K protection rating, this explosion-proof vent valve delivers superior environmental resistance, making it suitable for demanding outdoor and industrial environments.

Breathable Explosion-Proof Valve


Breathable Explosion-Proof Valve


Model

PB10A4K-70D-8T



Product typeWaterproof, breathable Explosion-Proof ValveBody materialAluminum alloy
Valve mounting typeInternal flange typeProtection classIP68/6K9K
permeability ML/min@1.5kPa≥1000Opening pressure kPa7~13
permeability ML/min@2.5kPa≥2000Installation type4-hole internal mounting
Spool fully open exhaust area (mm²)1620



Key Features of the Breathable Explosion-Proof Valve

  1. Explosion-Proof Design
    The valve’s explosion-resistant structure effectively prevents internal overpressure from igniting volatile gases, ensuring maximum safety in hazardous locations.

  2. High Breathability with Controlled Ventilation
    Designed for continuous pressure equalization, this breathable vent valve allows air and gas exchange while minimizing moisture and dust ingress, thanks to its high permeability rate (≥1000 ML/min @1.5kPa and ≥2000 ML/min @2.5kPa).

  3. Waterproof and Dustproof (IP68/6K9K Rated)
    The IP68/6K9K protection class makes this waterproof explosion-proof valve ideal for outdoor or harsh industrial conditions, protecting sensitive components from water, dust, and environmental contaminants.

  4. Aluminum Alloy Body for Durability
    The aluminum alloy housing offers excellent corrosion resistance, lightweight performance, and long-term durability even under extreme working conditions.

  5. Precise Opening Pressure Range
    The opening pressure is finely tuned between 7~13 kPa, ensuring reliable venting when internal pressure exceeds safe limits.

  6. Large Exhaust Area for Rapid Pressure Relief
    Featuring a fully open exhaust area of 1620 mm², the explosion-proof air release valve enables quick and efficient gas evacuation, reducing the risk of overpressure-related failures.

  7. Internal Flange Type with 4-Hole Mounting
    This internal mounting explosion-proof valve offers secure and easy installation with a 4-hole flange design, making it suitable for a wide range of equipment.


Application Areas

This breathable explosion-proof valve is widely used in industries that require both ventilation and explosion protection, including:

  • Lithium Battery Packs (EV Battery Enclosures, Energy Storage Systems)

  • Chemical Storage Containers

  • Food Processing Equipment

  • Pharmaceutical Manufacturing Equipment

  • Industrial Electrical Enclosures

  • Outdoor Communication Cabinets

  • Fuel Tank Venting

  • Telecom Base Station Housings

  • Laboratory Safety Enclosures


Benefits of Using the Breathable Explosion-Proof Valve

  • Improved Safety: Reduces the risk of explosion by safely venting built-up gases.

  • Enhanced Equipment Longevity: Prevents moisture and dust ingress, protecting sensitive components.

  • Reliable Pressure Relief: Opens within a precise pressure range to avoid structural damage.

  • Versatile Application: Suitable for both stationary and mobile equipment operating in harsh environments.

  • Compliance with Industrial Safety Standards: Designed for use in hazardous locations requiring explosion protection.


Frequently Asked Questions (FAQ)

Q1: What is a Breathable Explosion-Proof Valve?
A: It’s a safety device that combines ventilation, pressure equalization, and explosion prevention. It allows air and gas exchange while blocking external contaminants and preventing ignition risks.


Q2: Where is this explosion-proof vent valve commonly used?
A: Widely used in battery packs, chemical containers, industrial control cabinets, telecommunication enclosures, and hazardous gas environments.


Q3: Can this valve withstand outdoor conditions?
A: Yes, with its IP68/6K9K rating, the valve is fully waterproof, dustproof, and resistant to high-pressure water jets, making it ideal for outdoor industrial installations.


Q4: How does the breathability feature help?
A: The breathable function helps equalize internal and external pressure, preventing equipment deformation while keeping out water, dust, and other contaminants.


Q5: What is the opening pressure range for this valve?
A: The valve opens when internal pressure reaches between 7 to 13 kPa, providing timely and reliable venting.


Q6: Can the valve handle both gases and vapors?
A: Yes, it is suitable for venting various gases or vapors, preventing gas build-up that could lead to explosion risks.

Previous: Explosion-Proof Vent 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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