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CA-Fire Groove-Type Gear-Operated Fire Gate Valves

1. Product Name & Positioning

Full Name: CA-Fire ZSZF4-Q-16-M Series FM-Certified Groove-Type Gear-Operated Fire Gate Valves (Ductile Cast Iron, Water/Foam Mixture Compatible)

Abbreviation: CA-Fire ZSZF4 Groove Gear Fire Gate Valves

Core Positioning: A specialized pipeline switch valve for fire systems, fundamentally different from our previous control valves (e.g., wet alarm valves with alarm functions, pre-action valves with dual activation). It focuses on reliable on-off control and flow adjustment for large-diameter pipelines, using gear-operated and groove connections. Made of high-strength ductile cast iron and holding FM certification (critical for global high-standard markets), it balances heavy-duty durability, quick installation, and multi-medium compatibility-ideal for main pipelines of industrial facilities, large buildings, and foam fire systems globally.

2. Core Product Advantages (Distinct from Control Valves/Alarm Valves)

Gear-Operated Design for Effortless & Precise Operation: Unlike manual gate valves (requiring high torque) or control valves (no manual adjustment), this valve uses a gear transmission system. Rotating the handwheel 10–15 times can fully open/close the valve-70% less effort than direct-handle gate valves, and the gear structure ensures uniform valve disc movement, avoiding flow turbulence caused by uneven opening. This is essential for on-site emergency operations where personnel may need to quickly adjust flow.

Groove Connection for Welding-Free Rapid Installation: Adopts standard grooved ports that pair with grooved pipeline clamps. Installation per unit takes 20–25 minutes, 50% faster than flange-connected gate valves (which take 45–50 minutes for bolting). The grooved structure also absorbs minor pipeline displacement (e.g., from building settlement), preventing valve-body stress damage-an advantage over rigid flange connections.

Ultra-Large Caliber Range for Main Pipeline Needs: Covers DN50~DN400 nominal diameters, far broader than most fire control valves (e.g., wet alarm valves' DN80~DN300, pre-action valves' DN100~DN200). The DN400 model can handle water flow up to 1200m³/h, making it suitable for main fire pipelines of large industrial parks or super-large shopping malls-no need to parallel multiple small-caliber valves.

FM Certification & Multi-Medium Compatibility: Holds FM certification (meets international fire safety standards for North America, Europe, etc.), a key difference from our previous CCC/ISO-only valves-eliminating market access barriers for exports to high-standard regions (e.g., the US, Canada). It also works with both water and foam mixtures (most control valves only support water), making it a core component of foam fire systems for Class B fires (oil, chemicals).

Ductile Cast Iron Durability for Heavy-Duty Use: The valve body is cast from ductile cast iron (tensile strength ≥450MPa) with a high-temperature anti-rust coating. It withstands long-term operation at 4~70℃ (the medium temperature range) without material deformation, and the valve disc uses a copper alloy seal ring-wear resistance is 3 times higher than ordinary cast iron gate valves, extending service life to 15–20 years.

3. Detailed Technical Parameters (Highlight Gear & Groove Features)

Supplementary: Gear-Operated Groove Gate Valve vs. Control Valves

4. Applicable Scenarios (Leveraging Gear & Groove Advantages)

Large Industrial Facilities: Petrochemical plants, steel mills, and manufacturing parks-DN400 large-caliber models handle main fire pipeline flow, and foam mixture compatibility supports Class B fire suppression (oil tanks, chemical storage).

Super-Large Commercial & Public Buildings: Super malls, stadiums, and airport terminals-groove installation speeds up construction of large-scale fire systems, and gear operation allows on-site personnel to quickly adjust flow during emergency drills.

Foam Fire Systems: Gas stations, oil depots, and paint workshops-works with 3%~6% foam concentrates to form foam-water mixtures, effectively suppressing liquid fires (a capability most control valves lack).

Municipal & Infrastructure Projects: Urban tunnel fire systems, large residential community main pipelines-ductile cast iron's durability withstands outdoor environmental damage, and the large caliber avoids pipeline bottlenecks during peak water demand.

5. Frequently Asked Questions (FAQ)

What's the difference between this gate valve and your wet alarm valve?They serve completely different roles: this gate valve is a "pipeline switch" (controls on-off/flow, no alarm function); the wet alarm valve is a "system controller" (triggers alarms while controlling flow). Most projects need both-gate valves for main pipeline switching, wet alarm valves for zone-specific control.

Why choose gear operation over manual handle operation?Gear operation reduces effort by 70% (critical for large-caliber valves like DN400, which would require significant force to open manually) and ensures uniform valve disc movement-avoiding water hammer (sudden pressure spikes) that can damage pipelines. Manual handle valves are only suitable for small DN50~DN80 models.

Can it be used in outdoor freezing environments?No. The medium temperature range is 4~70℃-it cannot withstand freezing (which would cause water in the valve to expand and crack the body). For outdoor low-temperature scenarios, we recommend pairing it with heat tracing cables or choosing our dry-system valves.

Does FM certification mean it can replace CCC-certified valves in China?No. FM certification is for international markets; for domestic Chinese projects, we can provide CCC-certified versions of this gate valve (with the same structure, only certification differs). Please confirm the required certification based on your project location.

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