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Drawer Type Deflagration Quick Open Flame Arrestor

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Sourced directly from a premier industrial manufacturer and supplier, the Drawer Type Deflagration Quick Open Flame Arrestor is engineered to halt the dangerous propagation of flammable gas and liquid flames. Designed specifically for critical infrastructure safety, it isolates external fire threats from internal pipelines, preventing catastrophic explosions and equipment failure.

  • Rapid-access drawer mechanism for effortless core extraction and maintenance

  • Robust explosion protection engineered for IIA, IIB, and IIC volatile environments

  • Versatile metallic shell constructions tailored for diverse petrochemical applications


The Drawer Type Deflagration Quick Open Flame Arrestor stands as a formidable barrier against the devastating consequences of industrial deflagration. Engineered with absolute precision, this safety device effectively mitigates the risk of tempering and explosive propagation within complex piping networks. When flammable gases or petrochemical vapors are present, the meticulously crafted internal fire element—comprising a dense matrix of micro-channels and narrow gaps—acts to quench approaching flame fronts instantly. The solid, heat-absorbent materials rapidly dissipate intense thermal energy, reducing the flame temperature well below the ignition point of the surrounding volatile mixture.

Beyond its primary function of flame extinguishing, this device guarantees uninterrupted operational flow. The aerodynamic internal geometry minimizes pressure drops, allowing for smooth, high-volume gas transmission without generating disruptive acoustic turbulence or whistling. The robust metallic exterior provides a reassuringly heavy, solid feel, reflecting its capability to withstand intense mechanical stress, vibration, and harsh environmental exposure. By integrating this arrestor into your infrastructure, you safeguard critical assets, protect personnel, and maintain absolute control over volatile fluid processes, ensuring peace of mind in the most demanding environments.

Key Features & Highlights

Maximizing operational uptime while ensuring absolute safety is the core philosophy driving the engineering of this flame arrestor. Every component is thoughtfully designed to deliver superior performance, reduce maintenance bottlenecks, and provide an impenetrable defense against sudden deflagration events.

  • Rapid-Access Architecture: The innovative drawer mechanism eliminates the need for complex toolsets during routine inspections, allowing technicians to swiftly access the internal core.

  • Thermal Dissipation Mastery: The corrugated metallic fire element rapidly absorbs heat from subsonic flames, extinguishing them before they can breach critical equipment zones.

  • Unrestricted Flow Dynamics: Engineered to maintain high volumetric throughput, the internal pathways prevent dangerous gas accumulation and minimize systemic pressure loss.

  • Modular Element Replacement: Instead of replacing the entire unit after an event or during scheduled upkeep, the replaceable core significantly drives down long-term operational expenditures.

  • Versatile Integration: Compact and highly adaptable, the unit aligns seamlessly with existing piping networks, ensuring a flush, leak-proof fit upon installation.

Design & Maintenance Efficiency

Industrial facilities demand equipment that minimizes downtime without compromising safety protocols. This flame arrestor features a highly intuitive quick-open drawer structure, revolutionizing the way maintenance teams interact with the device on the factory floor.

  • Effortless Extraction: The internal fire element, crafted from precision-engineered corrugated plates or woven wire mesh, glides out smoothly for immediate visual inspection and cleaning.

  • Zero Pipeline Disassembly: Routine upkeep and core replacement are executed without detaching the main heavy-duty valve body from the pipeline, preserving the structural integrity of your infrastructure.

  • Cost-Effective Upkeep: By drastically reducing the labor hours required for maintenance, facilities experience a sharp decline in ongoing operational expenditures.

  • Ergonomic Handling: The tactile feedback of the quick-release mechanism ensures that technicians can securely lock and unlock the core, even while wearing heavy protective industrial gloves.

Core Materials & Unyielding Durability

Operating in harsh petrochemical environments requires materials that can withstand relentless chemical attacks and extreme thermal fluctuations. We offer a comprehensive selection of premium shell materials, ensuring the device survives the toughest conditions.

  • Corrosion Resistance: The meticulously cast shell repels the corrosive effects of sulfur, aromatics, and saline atmospheres, maintaining structural integrity over decades of continuous use.

  • High-Temperature Endurance: The premium stainless steel fire element is specifically treated to resist warping, oxidation, or melting when exposed to sudden, intense deflagration heat.

  • Solid Construction: The heavy-duty casting process eliminates micro-porosity, resulting in a dense, impenetrable metallic barrier that feels exceptionally solid and reliable to the touch.

  • Customizable Alloys: Tailor the exact metallurgical composition (from robust WCB to highly resilient 316L) to match the specific aggressive media flowing through your system.

Explosion Safety & International Certifications

When protecting multi-million-dollar assets and human lives, there is absolutely no room for compromise. This device serves as the ultimate safety shield, rigorously tested to block the propagation of subsonic flames and prevent devastating flashbacks.

  • Stringent Explosion Levels: Fully compliant with IIA, IIB, and IIC explosion-proof standards, handling the most volatile and reactive gas mixtures with absolute certainty.

  • Global Compliance: Proudly bearing API 6D, CE, ISO9001, and SGS certifications, guaranteeing that every single unit meets the highest global safety and manufacturing benchmarks.

  • Subsonic Flame Quenching: The internal geometry is mathematically optimized to slice through flame fronts, instantly neutralizing the thermal threat before it reaches storage tanks or reactors.

  • Audit-Ready Documentation: All units are backed by comprehensive testing reports and material traceability, simplifying your facility's safety compliance and insurance audits.

Performance Specifications & Adaptability

A safety device must never become a bottleneck in your fluid handling system. This arrestor perfectly balances impeccable flame-stopping power with exceptional aerodynamic efficiency, adapting seamlessly to fluctuating industrial conditions.

  • Broad Pressure Range: Reliably operates within a standard 0.6 MPa to 5.0 MPa window, with specialized high-pressure configurations available upon customer request.

  • Low Flow Resistance: The precision-aligned micro-channels allow gases to pass with minimal friction, preserving system pressure and reducing the energy load on industrial pumps.

  • High Volumetric Capacity: Designed to accommodate massive gas venting and breathing cycles without triggering acoustic vibrations or flow choking.

  • Micro-Leakage Control: Advanced CNC machining ensures that the internal tolerances are incredibly tight, achieving near-zero fugitive emissions during standard daily operation.

Industrial Applications & Media Compatibility

Versatility is key for modern industrial complexes. This deflagration arrestor is engineered to interface flawlessly with a vast spectrum of highly reactive and combustible substances across multiple demanding sectors.

  • Petrochemical Dominance: Perfectly suited for the rigorous demands of refineries, safely handling gasoline, kerosene, diesel, and complex aromatics without material degradation.

  • Broad Industry Adoption: Extensively deployed and trusted in metallurgy, light industrial manufacturing, and large-scale electric power generation facilities.

  • Reactive Gas Handling: Safely processes sulfurous gases, volatile air mixtures, and other highly combustible vapors emitted during intensive chemical reactions.

  • Strategic Placement: Ideal for critical installation on storage tank ventilation lines, vapor recovery systems, and chemical reactor exhaust pipelines.

Installation Standards & Absolute Sealing

A safety device is only as effective as its weakest connection point. We have meticulously engineered the mounting interfaces to ensure a foolproof, hermetically sealed integration into your existing pipeline infrastructure.

  • Compact Footprint: Despite its robust capabilities, the unit features a space-saving design and optimized weight distribution, simplifying rigging and handling during installation.

  • Universal Flange Standards: Available with customizable flange connections that strictly adhere to major international standards, ensuring a perfect, flush mating surface.

  • Premium Gasket Integration: Equipped with high-grade, chemically inert sealing gaskets that compress evenly, eliminating any microscopic pathways for dangerous gas leaks.

  • Vibration Resilience: The rigid coupling mechanism absorbs pipeline vibrations and thermal expansion stresses, maintaining a secure, unyielding seal under dynamic operational loads.

Manufacturer Strength & Supply Chain Reliability

Procuring critical safety infrastructure requires a partner with proven manufacturing pedigree and unwavering logistical support. As a direct source factory, we deliver unparalleled value, consistency, and deep technical backing.

  • Massive Production Capacity: Operating a state-of-the-art facility capable of producing 2,000 precision-engineered units annually, ensuring we can comfortably meet large-scale project demands.

  • Predictable Lead Times: A highly streamlined manufacturing process guarantees reliable delivery within 20 to 45 days, perfectly aligning with your project construction schedules.

  • Bespoke Customization: Deep manufacturing capabilities allow us to tailor dimensions, shell materials, and pressure ratings to your exact engineering specifications.

  • Secure Global Transit: Every unit is meticulously packed in standard export wooden cases, shielding the sensitive internal elements from moisture, salt air, and impact during international freight.

  • End-to-End Technical Support: From initial flow-rate calculations to post-installation troubleshooting, our engineering team provides continuous, expert guidance.

Why Choose Us

Selecting the right partner for industrial safety equipment is a critical decision that impacts your entire operational ecosystem. We go beyond merely supplying hardware; we deliver comprehensive, bulletproof safety solutions backed by decades of metallurgical expertise and fluid dynamics engineering.

  • Uncompromising Quality Control: Every single flame arrestor undergoes rigorous hydrostatic and pneumatic testing before it leaves our facility, ensuring zero defects upon arrival.

  • Direct Source Advantage: By streamlining our supply chain, we provide highly competitive pricing structures without ever sacrificing the premium quality of our raw materials.

  • Rapid Response Engineering: Our technical support team is available to deeply analyze your specific pipeline parameters and recommend the exact configuration needed for optimal safety.

  • Proven Global Track Record: Trusted by leading petrochemical and energy facilities worldwide, our precise engineering has successfully prevented countless potential deflagration incidents.

  • Commitment to Innovation: We continuously refine our fire element geometries and shell casting techniques to stay ahead of rapidly evolving industrial safety regulations.

Frequently Asked Questions (FAQ)

To assist procurement managers and site engineers in their technical decision-making process, we have compiled detailed answers to the most common inquiries regarding our deflagration arrestors.

What is the primary difference between deflagration and detonation flame arrestors?

Deflagration arrestors, like the ZGB-II model, are specifically designed to stop subsonic flames where the flame front travels at speeds below the speed of sound. They are typically installed near the ignition source or at the end of a venting line. Detonation arrestors, conversely, are built to withstand supersonic flame fronts and massive shockwaves, usually required for long piping runs where ignited gas has the space to accelerate.

How frequently should the internal fire element be inspected or cleaned?

The inspection frequency heavily depends on the purity of the media flowing through the pipeline. For relatively clean gases, a semi-annual inspection is generally sufficient. However, if the media contains particulates, sticky resins, or corrosive elements, we highly recommend utilizing the quick-open drawer to extract the core every quarter for visual inspection and ultrasonic cleaning to prevent flow restriction.

Can the working pressure be customized for extreme industrial applications?

Yes. While our standard models cover a robust operational range of 0.6 MPa to 5.0 MPa, our engineering team can design custom heavy-wall shells and reinforced internal fire elements to accommodate significantly higher pressures. Please provide your maximum allowable working pressure (MAWP) and temperature parameters during the initial consultation phase.

Are the flange connections compatible with my existing pipeline standards?

Absolutely. We manufacture the connecting flanges to match a wide variety of global standards, including ASME/ANSI, DIN, EN, and JIS. Simply specify your required flange rating and face type (e.g., Raised Face, Flat Face, Ring Type Joint) when requesting a quotation, and we will ensure a seamless, leak-free mating fit.

What happens if the internal fire element is damaged during a deflagration event?

One of the primary advantages of our drawer-type design is its modularity. If the fire element absorbs a severe deflagration and sustains thermal warping or structural damage, you do not need to replace the entire heavy valve body. You can simply procure a replacement core, slide out the damaged unit, and insert the new one, restoring full safety compliance in a matter of minutes.

Do you provide material test reports (MTRs) with the shipment?

Yes, full material traceability is a cornerstone of our quality assurance program. Every shipment includes comprehensive documentation, including Material Test Reports (MTRs) for the shell and internal components, pressure test certificates, and copies of our ISO9001, CE, and API 6D compliance documents, ensuring your facility is fully prepared for safety audits.

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Product Specifications

Our technical specifications strictly adhere to international quality and safety benchmarks. The following table outlines the precise parameters, materials, and operational capacities of the ZGB-II model, providing procurement specialists and site engineers with the exact data required for seamless project integration.

Product NameDrawer Type Deflagration Quick Open Flame Arrestor
Model No.ZGB-II
Size20mm - 400mm
Working Pressure0.6 MPa - 5.0 MPa , High Pressure Should Decide By Customer
Explosion LevelIIA.IIB.IIC
Applicable MaterialsGasoline, kerosene, diesel, aromatics, sulfur, air and other petrochemical materials;
Shell MaterialWCB, LCB, HT, AL, A3, 18-8, 304, 304L, 316, 316L.
Element TypeReplaceable element
Application FieldsMetallurgy, Light Industrial, Electric Power, Petroch
CertificatesAPI 6D, CE, ISO9001, SGS, etc
Delivery Detail20~45 Days According to The Specific Quantities
Transport PackageStandard Export Wooden Case
TrademarkNIPO
OriginWenzhou, Zhejiang, China
HS Code8481804090
Production Capacity2000PCS/Year


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