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As a leading manufacturer based in Changzhou, Jiangsu, Changzhou Hongxinyutai Precision Mold Co., Ltd. (established in 2017) specializes in precision injection molding and offers high-quality PP-T30 Injection Molded NEV Breather Valves with a 10 Bar pressure rating and built-in mold protection. Our factory spans 1,000–3,000 square meters and employs 51–100 skilled professionals, ensuring rigorous quality control and consistent output. This breather valve is designed to meet the demanding requirements of new energy vehicles, providing reliable pressure equalization while safeguarding the mold during the injection process.
The valve is engineered with advanced injection molding technology using PP-T30 material, which offers excellent chemical resistance, thermal stability, and mechanical strength. With a pressure rating of 10 Bar, it effectively manages internal pressure differentials in battery packs, gearboxes, and other sealed enclosures, preventing moisture ingress and maintaining optimal performance. The integrated mold protection feature ensures that during the injection molding process, the cavity is not over-pressurized, reducing the risk of tool damage and extending mold life.
Key Features & Technical Specifications
- Material: PP-T30 – high-impact polypropylene with enhanced durability and UV resistance.
- Pressure Rating: 10 Bar (145 psi) – suitable for high-pressure applications in NEV systems.
- Operating Temperature: -40°C to +120°C – wide range for diverse climates.
- Mold Protection: Built-in burst disc or pressure relief mechanism prevents overpressure during injection molding.
- Leakage Rate: Less than 1 cm³/min at 0.5 Bar – ensures minimal loss.
- Installation: Snap-fit or threaded design – easy assembly without special tools.
- Compliance: Manufactured under TS16969 quality management system.
| Parameter | Value |
|---|---|
| Material Grade | PP-T30 |
| Pressure Rating | 10 Bar |
| Cracking Pressure | 9.5 ± 0.5 Bar |
| Mold Protection Threshold | 12 Bar (burst) |
| Weight | Approx. 15 g |
| Service Life | > 1,000,000 cycles |
This breather valve is particularly beneficial for NEV manufacturers who require a compact, lightweight, and cost-effective solution for pressure management. The mold protection feature not only prevents tool damage but also reduces production downtime, leading to higher overall efficiency. Additionally, the valve's design allows for customization in terms of color, size, and connection type to fit specific customer requirements. We supply to markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more, demonstrating global acceptance.
Why Choose Changzhou Hongxinyutai Precision Mold? With our TS16969 certification, we adhere to strict automotive quality standards, ensuring every valve meets dimensional accuracy and functional reliability. Our factory's 51–100 employees operate state-of-the-art injection molding machines, with a production capacity of over 500,000 units per month. We provide prompt shipping from Jiangsu, Shanghai, or Shenzhen ports, and our technical team offers full support for design modifications and testing. Trust our experience—since 2017, we have been a reliable partner for precision components.
Frequently Asked Questions (FAQ)
Q1: What is the main function of this breather valve?
It equalizes pressure inside sealed enclosures (e.g., battery packs, gearboxes) while preventing moisture and dust ingress. The mold protection feature prevents overpressure damage during injection molding.
Q2: Can the valve be used in other applications besides NEV?
Yes, it is suitable for any sealed system requiring pressure relief at 10 Bar, such as industrial electronics, automotive lighting, and solar inverters, provided the material compatibility is verified.
Q3: What is the material PP-T30? Is it food-grade?
PP-T30 is a high-impact polypropylene copolymer. It is not specifically food-grade, but it is resistant to many chemicals. For food contact applications, please consult our sales team for alternative materials.
Q4: How does the mold protection work?
During injection molding, if the cavity pressure exceeds the set threshold (e.g., 12 Bar), the valve's burst disc ruptures, relieving pressure and preventing mold damage. The valve is then replaced after molding.
Q5: What is the lead time for custom orders?
Lead time depends on order quantity and customization. Typically, 2–4 weeks for standard modifications, and longer for new tooling. We can provide a detailed timeline upon request.
Q6: Do you have any export certifications?
Our products are manufactured under TS16969 quality management system. We can provide a certificate of compliance and material test reports as needed. Specific export certifications can be arranged upon request.
Q7: Is the valve reusable after activation?
No, the mold protection feature is a one-time burst disc. The valve itself (without burst disc) is reusable for normal pressure relief, but the burst disc must be replaced if it has been activated.
Q8: What is the minimum order quantity (MOQ)?
Our MOQ for standard valves is 1,000 pieces. For samples or trial orders, we can accommodate smaller quantities. Please contact us for details.
Ready to enhance your NEV system with a reliable, mold-protected breather valve? Contact us today for a quote or technical consultation. With our TS16969-certified production and global shipping capabilities, we are your trusted partner for precision injection-molded components.
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