Plastic Vent Valve

The PUWM5*0.8-4 Plastic Vent Valve by PUW is engineered to meet the demands of increasingly complex and harsh environments across industrial and outdoor applications. Built with high-strength PC plastic material, this advanced vent valve offers superior performance in waterproofing, ventilation, and environmental resistance, making it a reliable solution for critical protection needs.

Key Features

• Superior Waterproof & Breathable Design
  Incorporates an advanced waterproof breathable membrane structure that ensures effective pressure equalization while keeping out water, dust, and other contaminants.

• Dual Protection Ratings

• IP67 with air permeability of 300–900 ml/min @ 7kPa

• IP68/IP6K9K with air permeability of 20–100 ml/min @ 7kPa
  Ideal for applications requiring high-level environmental sealing.

• Outstanding Durability

• Temperature Resistance: -40°C to +110°C

• Corrosion, acid, and alkali resistance

• Impact and flame resistance with UL94-V0 flame retardant rating

• Customizable Options
  Available in black and off-white colors with various thread lengths, and can be custom-produced to meet specific customer requirements.

• Thread Installation
  Easy-to-install threaded design with 4kgf.cm torque and a thread length of 4mm, ensuring a secure and stable fit.

Applications

The Plastic Vent Valve is trusted by manufacturers and integrators across multiple industries, including:

• LED Outdoor Lighting – Prevents moisture accumulation and fogging in sealed housings

• Automotive Manufacturing – Used in headlights, sensors, ECUs, and battery enclosures

• Solar Photovoltaic Equipment – Extends the service life of sealed electrical components

• Electronics & Electrical Devices – Ensures internal pressure balance in enclosures

• Communication Equipment – Prevents internal condensation in sensitive hardware

• Security Systems – Enhances the reliability of outdoor and ruggedized installations

Why Choose PUW Plastic Vent Valves?

PUW’s plastic vent valves are a culmination of innovative engineering, designed to provide long-lasting performance under the toughest conditions. Whether you’re looking to protect sensitive electronics or optimize the lifespan of your outdoor devices, PUW’s PUWM5*0.8-4 delivers unmatched reliability and flexibility.

FAQ

1. What is the purpose of a plastic vent valve?

A plastic vent valve is designed to allow the equalization of air pressure in sealed enclosures while preventing the ingress of water, dust, and contaminants. It is often used in environments where maintaining internal air circulation is critical, such as in electronics, automotive, and outdoor lighting applications.

2. What materials are used in the construction of the vent valve?

Our plastic vent valve, model PUWM5*0.8-4, is made from high-quality PC (Polycarbonate), known for its durability, corrosion resistance, and flame-retardant properties. The material ensures long-term performance in demanding conditions.

3. What is the temperature range for this vent valve?

This vent valve is capable of withstanding extreme temperatures ranging from -40°C to +110°C, making it suitable for use in both cold and high-temperature environments.

4. What are the protection ratings of this vent valve?

The PUWM5*0.8-4 plastic vent valve offers the following protection ratings:

• IP67 with air permeability of 300-900 ml/min @ 7kPa

• IP68/IP6K9K with air permeability of 20-100 ml/min @ 7kPa
  These ratings ensure excellent protection against water, dust, and high-pressure environments.

5. What industries use the PUW Plastic Vent Valve?

Our plastic vent valve is commonly used in a variety of industries, including:

• LED Outdoor Lighting

• Automotive Manufacturing

• Solar Photovoltaic Equipment

• Electronics & Electrical Devices

• Communication Equipment

• Security Systems