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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 compact yet highly efficient safety component designed to integrate ventilation, pressure equalization, and explosion protection into a single unit. As a high-performance Explosion-Proof Breather Valve, it enables controlled air and gas exchange while preventing the accumulation of hazardous gases inside sealed enclosures.

This Waterproof Breathable Explosion-Proof Valve is specifically engineered for applications where both environmental sealing and explosion safety are critical, such as battery packs, chemical containers, and industrial equipment housings.

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


Explosion-Proof Vent Valve with Reliable Safety Performance

Functioning as an Explosion-Proof Vent Valve and Explosion-Proof Pressure Vent, the valve releases excess internal pressure when it exceeds safe limits, effectively reducing the risk of ignition or enclosure failure. Its Explosion Resistant Valve structure ensures that vented gases are discharged in a controlled manner, making it suitable for hazardous and potentially explosive environments.

By maintaining pressure balance, this Explosion Proof Vent protects enclosures from deformation caused by pressure build-up or sudden temperature changes.


Advanced Breathability with ePTFE Membrane Technology

At the heart of the Breathable Explosion-Resistant Valve is a high-performance ePTFE Vent Membrane, also referred to as a PTFE Breathable Membrane. The Microporous PTFE Membrane structure allows gas molecules to pass through freely while blocking water, dust, and contaminants.

This advanced membrane technology provides:

  • High air permeability for continuous ventilation

  • Excellent hydrophobic and oleophobic performance

  • Strong chemical resistance

  • Long-term stability in harsh industrial conditions

Together, these characteristics ensure efficient ventilation without compromising enclosure protection.


Waterproof and Dustproof Design for Harsh Environments

With an IP68/6K9K protection rating, this Industrial Explosion-Proof Vent Valve delivers outstanding resistance to water immersion, high-pressure water jets, and dust ingress. As a Waterproof Breathable Explosion-Proof Valve, it ensures reliable performance in outdoor installations and demanding industrial environments where moisture, dirt, and aggressive cleaning processes are common.


Precision Pressure Control and High Airflow Capacity

The valve features a precisely calibrated opening pressure range of 7 to 13 kPa, allowing it to act as a dependable Pressure Equalization Explosion-Proof Vent. Once the internal pressure reaches the set threshold, the valve opens rapidly, utilizing its large exhaust area to evacuate gases efficiently.

This controlled venting behavior minimizes stress on enclosure structures while ensuring fast and safe pressure relief.


Durable Aluminum Alloy Construction and Secure Installation

Manufactured with a high-strength aluminum alloy body, the valve offers excellent corrosion resistance, lightweight performance, and mechanical durability. The internal flange design with a 4-hole mounting structure ensures secure and stable installation across a wide range of industrial enclosures and equipment housings.


Typical Applications

The Breathable Explosion-Proof Valve is widely used in industries requiring both ventilation and explosion protection, including:

  • Lithium battery packs and energy storage systems

  • Chemical storage and processing equipment

  • Industrial electrical and control enclosures

  • Outdoor communication and telecom cabinets

  • Fuel tank venting systems

  • Laboratory and pharmaceutical safety enclosures

In all these applications, the valve functions as a reliable Explosion-Proof Vent Valve, enhancing safety and extending equipment service life.


Key Benefits at a Glance

  • Integrated Safety Function: Combines ventilation, pressure equalization, and explosion protection

  • High Airflow Performance: Efficient gas exchange using ePTFE membrane technology

  • Superior Environmental Sealing: Waterproof and dustproof IP68/6K9K protection

  • Controlled Pressure Release: Precise opening pressure prevents enclosure damage

  • Robust Construction: Aluminum alloy body for long-term industrial use

  • Wide Applicability: Suitable for battery, chemical, industrial, and outdoor systems


A Trusted Industrial Explosion-Proof Vent Solution

Whether used as an Explosion-Proof Breather Valve, Explosion-Proof Pressure Vent, or Industrial Explosion-Proof Vent Valve, this product delivers dependable performance in hazardous environments. By combining advanced Microporous PTFE Membrane technology with a rugged explosion-resistant structure, it provides a comprehensive solution for safe ventilation and pressure control.


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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Email: lvch@puw-eptfe.com

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

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