Producdt Description:
Reliable Overpressure Protection: The ZCHRK-I Advantage When standard breathing valves reach their flow limits, the ZCHRK-I Emergency Release Manhole takes over. This high-capacity emergency vent is precision-engineered to lift at a pre-set pressure, ensuring that internal tank pressure never exceeds safe limits. Its robust construction and high-integrity sealing make it an essential emergency relief vent for refineries, chemical plants, and oil storage terminals where safety is non-negotiable.
Built for Durability and Industrial Compliance The ZCHRK-I Emergency Release Manhole is manufactured using high-grade materials, such as Carbon Steel or Stainless Steel, and features a durable red-coated or galvanized rustproof surface to withstand harsh industrial environments. Its simplified design allows for easy inspection and maintenance, ensuring that your emergency vent remains fully operational when needed most. For facilities requiring a dependable and cost-effective emergency relief vent, the ZCHRK-I series provides the safety and peace of mind required for modern large-scale tank storage operations.
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)
“Ensure 100% compliance with API safety standards. Upgrade to the reliable ZCHRK-I Emergency Release Manhole. “
Common Questions About ZCHRK-I Emergency Relief Venting
Q1:What is the primary function of the ZCHRK-I Emergency Release Manhole?
A1:The ZCHRK-I acts as an emergency pressure relief valve that opens to discharge large amounts of gas when the internal pressure of a storage tank rises sharply due to accidents like external fire or pump failure.
Q2:Is this model compliant with international standards?
A2:Yes. Our emergency release manhole is designed to meet the flow capacity and safety requirements defined by API 2000 and other relevant industrial standards.
Q3:What materials are used for the ZCHRK-I?
A3:To ensure maximum durability, the ZCHRK-I is typically constructed from high-quality Carbon Steel or Stainless Steel, often finished with a red-coated protective layer to resist corrosion in chemical environments.
Q4:How do I determine the set pressure for my tank?
A4: The set pressure is calibrated based on your tank’s Maximum Allowable Working Pressure (MAWP). Our technical team can assist in calculating the precise settings for your emergency vent installation.
Q5:Does it require frequent maintenance?
A5:Because the ZCHRK-I has a simplified structure, maintenance is minimal. We recommend semi-annual inspections to ensure the sealing gasket is intact and the lid can lift freely without obstruction.
