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| Customization: | Available |
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| Certification: | CCC, RoHS, ISO, CE |
| Surface Treatment: | Electroplating |
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Metal Air Vent Valve is designed to equalize pressure in precision equipment. Crafted from corrosion-resistant
stainless steel or brass, it offers robust durability. The ePTFE membrane efficiently releases internal gases while
blocking external dust, water, and contaminants. Ideal for automotive lamps, new energy battery packs, telecom
cabinets, and outdoor electronics, it ensures reliable waterproof and breathable protection.
| Part No. | Body material |
Air Permeability |
Operating Temperature |
Protection Level |
| M05*0.8 | Brass/SS | >500ml/min P:7kpa |
-40~250ºC | IP68 |
| M06*1.0 | Brass/SS | >800ml/min P:7kpa |
-40~250ºC | IP68 |
| M08*1.0 | Brass/SS | >1000ml/min P:7kpa |
-40~250ºC | IP68 |
| M08*1.25 | Brass/SS | >1200ml/min P:7kpa |
-40~250ºC | IP68 |
| M12*1.5 | Brass/SS | >2000ml/min P:7kpa |
-40~250ºC | IP68 |
| M16*1.5 | Brass/SS | >3800ml/min P:7kpa |
-40~250ºC | IP68 |
| M24*1.5 | Brass/SS | >5000ml/min P:7kpa |
-40~250ºC | IP68 |








Q1: What is the primary function of this metal air vent valve?
A: It automatically releases accumulated air or gas from fluid systems while preventing external contaminants (like dust and moisture) from entering, ensuring optimal system efficiency and preventing air-related damage.
Q2: What materials are used for the valve body and membrane?
A: The valve body is crafted from corrosion-resistant brass or stainless steel, while the hydrophobic membrane is made of ePTFE (expanded polytetrafluoroethylene), ensuring durability and reliable filtration.
Q3: What is the operating temperature and pressure range?
A: Our standard valves operate within -30°C to 120°C and withstand pressures up to 2 bar. Custom designs are available for extreme conditions.