Producdt Description:
The ZCZGB-IV is engineered for “final-barrier” protection. Unlike in-line models, this atmospheric Flame Arrester is built to withstand direct environmental exposure without compromising its quenching capability.
Key Technical Performance & Features
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Precision-Engineered Flame Elements: Features high-quality flame elements available in corrugated ribbon or multilayer mesh, designed to absorb and dissipate heat instantly to extinguish subsonic flames.
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Integrated Rain Cap Protection: The stainless steel rain cap (weather hood) deflects precipitation and prevents moisture accumulation on the quenching matrix, ensuring consistent flow dynamics.
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Minimal Pressure Drop: The open-area design of the weather hood is optimized to provide maximum venting capacity with minimal resistance, protecting tanks from structural stress.
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Superior Material Durability: Available in heavy-duty Carbon Steel or premium 304/316L Stainless Steel to resist atmospheric corrosion and aggressive chemical vapors.
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Bird & Debris Screening: Includes an internal protective screen that prevents insects, birds, and wind-blown waste from clogging the vent stack.
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Global Flange Compatibility: Fully compliant with ANSI, DIN, JIS, and GB flange standards for seamless integration into any international piping infrastructure.
Installation:
- Remove all flange cover and discard all packaging materials.
- Check the seat, the matching flange gasket on the seat surface. It must be clean, flat, scratch-free, corrosion-resistant, tool traces.
- Check the gasket to ensure that the material is suitable forapplication.
- Lubricate all studs and nuts with proper thread lubricant. If the fastener is a high temperature stainless steel material, a back-grabbing compound, such as molybdenum disulfide, is used.
- Inside gasket of bolt ring.
- Installing flange of Inline flame arrester shell to butt with flange of pipeline, attention should be paid to the position of lifting handle and top nut of In line flame arrester element to facilitate the removal of In line flame arrester elements in the future.
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)
“Upgrade Your Tank Farm with Certified Flashback Protection. Order the ZCZGB-IV Series for Reliable Outdoor Safety.”
Ensuring 24/7 Protection: Troubleshooting Common Venting Issues
Q1: Why is the rain cap essential for end-of-line flame arresters?
A1: The rain cap protects the sensitive internal flame elements from moisture and debris. If the elements become wet or clogged, the heat dissipation capacity drops, and the risk of tank over-pressurization increases.
Q2: Can the ZCZGB-IV handle high-flow venting requirements?
A2: Yes. The ZCZGB-IV is designed with an expanded discharge area under the cap to ensure that air and vapor can escape freely with minimal pressure drop.
Q3: Is this model suitable for Hydrogen (Group IIC) applications?
A3: While standard units are for IIA/IIB3, we can customize the flame elements with tighter gap sizes to meet the MESG requirements for Group IIC gases like Hydrogen.
Q4: How do I clean the internal flame elements on the ZCZGB-IV?
A4: The rain cap can be easily removed for inspection. We recommend using low-pressure steam or non-corrosive solvents to clean the flame elements matrix during semi-annual maintenance.
Q5: What is the difference between ZCZGB-IV and in-line deflagration arresters?
A5: The ZCZGB-IV is an “end-of-line” unit meant for venting to the atmosphere. In-line models like the ZCZHQ-II are designed to be installed within a closed piping system.
