The ZCHRK-I Emergency Vent is your tank’s last line of defense against catastrophic overpressure. While a standard breather valve handles daily cycles, this emergency vent is engineered to trigger during extreme scenarios—such as external fire exposure or pump failure—rapidly discharging large volumes of vapor to ensure the structural integrity of your storage tank.
Producdt Description：
The ZCHRK-I Emergency Vent serves as a vital safety safeguard for atmospheric and low-pressure storage tanks. While standard breather valves manage routine pressure shifts, this high-capacity emergency relief vent is specifically engineered to handle extreme pressure surges. It triggers instantly during critical events—such as nearby fires or sudden equipment failure—to exhaust massive volumes of vapor and prevent catastrophic tank rupture.
Engineered for Durability: Unlike traditional metal vents that are prone to heavy corrosion, the ZCHRK-I is made of engineering plastic nylon PA injection molding. This choice of material provides an exceptional strength-to-weight ratio and superior resistance to chemical erosion. To further enhance its lifespan in harsh industrial or coastal environments, each unit features a galvanized rustproof surface, ensuring the moving parts remain functional without seizing over time.
Operating pressure:
Note:
Under normal circumstances, (fire) breathing valve operating pressure to B shall prevail;
Applicable materials: gasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
Environment temperature: -40 °C -+60 °C;
Shell material: HT, AL, A3, 18-8, 304, 304L, 316, 316L.
Flange standards: HG20592-97 PN1.0 (also can be produced according to user specified criteria)
Need specific set pressures? Our engineers are ready to customize the ZCHRK-I for your tank’s MAWP.
Q1:Is the ZCHRK-I a primary or secondary safety device?
A1:The ZCHRK-I Emergency Vent acts as your secondary line of defense. While standard breather valves handle daily pressure shifts, this emergency vent is designed to trigger only during extreme events—like an external fire—to prevent tank rupture when routine venting isn’t enough.
Q2:Why use Nylon PA instead of traditional metal?
A2:Our ZCHRK-I is made of engineering plastic nylon PA injection molding. This isn’t just about saving weight; it provides exceptional chemical resistance and a spark-free surface, which is critical for safety when dealing with volatile vapors in a high-risk environment.
Q3:Will the galvanized surface withstand salt air?
A3:Absolutely. We’ve engineered the ZCHRK-I with a galvanized rustproof surface specifically for harsh industrial climates. Whether your facility is near the coast or in a high-humidity zone, this coating ensures the vent won’t seize up due to corrosion.
Q4:How does the ZCHRK-I handle extreme overpressure?
A4: When internal pressure exceeds safe limits, the cover lifts to provide immediate, high-capacity relief. This rapid discharge capability is why the emergency vent is essential for maintaining the structural integrity of atmospheric storage tanks during a sudden pressure surge.
Q5: Does this vent require frequent maintenance?
A5:Because the ZCHRK-I has a simplified, galvanized rustproof surface and durable nylon body, maintenance is minimal. We recommend a simple annual check to ensure the seal is clean and the vent moves freely, guaranteeing it performs perfectly when an emergency strikes.
Further information or a personal consultation? Our products and know-how are there to provide solutions.
