China IP67 Waterproof Breathable Pressure Valve Breather - Reliable ECU Vent from Leading Suppliers and Factory
Introduce
The engine control unit (ECU) is the main component of the electronically controlled vehicle that continuously monitors and controls the operation of the engine. The ECU tests and calculates the air-fuel mixture ratio and engine ignition advance angle based on data input from multiple sensors (including MAP sensor, throttle position sensor, air temperature sensor, oxygen sensor, etc.). They monitor and control the engine's fuel supply, injection timing, ignition shutdown angle, engine idle operation and other vehicle ancillary systems in real time to maintain optimal energy conversion rates.
The ECU has a complex structure and is exposed to harsh environments during operation and requires special protection. For example, because heat dissipation from the controller's electronic components causes frequent temperature changes in the work area, breathable products that can both dissipate heat and equalize pressure are required.
The specific requirements for breathable products are as follows
- Great breathability;
- High IP rating;
- Long-term heat resistance;
- Resistant to salt spray corrosion.
A stable ECU is the basis for normal engine operation. The excellent performance of IPRO's weldable waterproof and breathable membrane can effectively improve its stability. The XZP snap-on waterproof and breathable valve has two interface types: SFVA and SFVS. The SFVA series corresponds to an opening size of 6.4mm, and the SFVS series corresponds to an opening size of 10.4mm. XZP snap-on waterproof and breathable membrane is made of high WEP and precision welding technology, which can achieve IP ratings of IP67, IP68 and IP69k; the shell is made of a combination of PBT and ePTFE, which has the characteristics of low water absorption, heat resistance, chemical corrosion resistance, etc. . In addition, XZP has also launched two types of heat-resistant, waterproof and breathable membranes with working temperatures up to 120°C and 150°C to meet the temperature-resistant needs of different customers.
Main features
- WEP 100% fully inspected;
- Compliant with automotive grade.
- Overall heat-resistant solution
Frequently Asked Questions
Q1: What is the primary function of the Engine Control Unit (ECU)?
A1: The ECU acts as the core controller of electronically managed vehicles. It continuously monitors and controls engine functions, calculating the optimal air-fuel mixture ratio and ignition advance angle using input data from multiple sensors to maintain efficient energy conversion.
Q2: Why do ECUs require waterproof and breathable products?
A2: Because heat generated by the controller's electronic components causes frequent temperature fluctuations, ECUs require breathable products to dissipate heat and equalize internal pressure while protecting them from harsh environments.
Q3: What are the specific performance requirements for ECU breathable valves?
A3: The key requirements include great breathability, high IP protection ratings, long-term heat resistance, and excellent resistance to salt spray corrosion.
Q4: What models and sizes are available for IPRO's XZP snap-on valves?
A4: The XZP snap-on valve offers two interface configurations: the SFVA series (with a 6.4mm opening size) and the SFVS series (with a 10.4mm opening size).
Q5: What materials and IP ratings do the XZP snap-on membranes feature?
A5: The shell is made of PBT and ePTFE, offering low water absorption, heat resistance, and chemical corrosion resistance. Utilizing precision welding technology, it can achieve IP ratings of IP67, IP68, and IP69k.
Q6: What working temperatures can IPRO's heat-resistant membranes withstand?
A6: IPRO offers two types of heat-resistant, waterproof, and breathable membranes designed to withstand maximum working temperatures of up to 120°C and 150°C to meet diverse temperature requirements.





