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ESFR Dry Type Fire Sprinkler - Q&A for Official Website

 

 

1. Q: What is the CA-Fire ESFR Dry Type Fire Sprinkler?

 

A: The CA-Fire ESFR Dry Type Fire Sprinkler (Model: ESFR) is a specialized automatic fire suppression component engineered for two critical scenarios: ① high-risk, high-storage spaces (e.g., warehouses with 6m+ stacked cargo, logistics centers) where early fire suppression prevents rapid flame spread; ② low-temperature environments (e.g., cold storage facilities, unheated industrial workshops) where traditional wet-type sprinklers risk freezing and pipe bursting.

 

As an ESFR sprinkler, it features a "fast-response + high-flow" design: its sensitive element (fusible alloy or JOB glass bulb) activates within seconds of detecting heat (faster than standard sprinklers), and its wide K-factor range (K5.6(80)–K25(363)) delivers high-volume water flow to suppress deep-seated, high-stack fires (e.g., pallets of cardboard, packaged goods) that standard sprinklers can't reach.

 

The "dry-type" design is its second key advantage: unlike wet-type sprinklers (filled with water), it keeps the sprinkler body dry until activation-preventing freezing in temperatures as low as -20℃. Crafted from corrosion-resistant brass (for long-term use in humid or cold environments) and installed as a pendent-type unit, it is fully ISO-certified and compatible with automatic fire sprinkler systems. It reliably suppresses Class A (solid combustibles) and Class B (flammable liquid) fires, making it a staple for cold storage, high-volume warehouses, and industrial facilities in temperate or cold regions.

 

2. Q: What are the core advantages of this ESFR dry type sprinkler?

 

A: This sprinkler stands out with 4 scenario-specific strengths, all focused on early suppression, low-temperature adaptability, and high-storage compatibility-avoiding generic "automatic" claims and emphasizing its unique value for high-risk spaces:

ESFR Early Suppression & Fast Response: As an ESFR-rated unit, it solves a critical pain point of standard sprinklers: slow activation in high-storage areas. Its sensitive element (fusible alloy melts at preset temperatures; JOB glass bulb shatters at heat spikes) triggers in 10–15 seconds (3x faster than standard sprinklers), while its high K-factor (up to K25(363)) delivers 2–3x more water flow-suppressing fires before they spread to adjacent cargo stacks.

Dry-Type Design for Low-Temperature Protection: The dry internal structure means no stagnant water in the sprinkler body-eliminating pipe bursting risks in cold environments (e.g., -10℃ cold storage for food or pharmaceuticals). Unlike wet-type sprinklers that require expensive heating systems to prevent freezing, this dry-type unit operates reliably without extra temperature control.

Brass Durability for Long-Term Use: Made of high-grade brass, it resists two key threats in harsh environments: ① Corrosion from humidity (common in cold storage with condensation); ② Wear from frequent temperature fluctuations (e.g., unheated warehouses in winter). It maintains structural integrity and activation accuracy for 10+ years, reducing replacement costs.

Wide K-Factor Range for Versatile Storage Scales: Covering K5.6(80)–K25(363), it adapts to different storage heights and cargo densities: ① K5.6(80)–K11.2(160) for 3–6m stacked light goods (e.g., textiles); ② K17.9(257)–K25(363) for 6–10m stacked heavy goods (e.g., wooden pallets, machinery parts). This eliminates the need to stock multiple sprinkler types for mixed-storage warehouses.

 

3. Q: What are the detailed technical specifications?

 

A: Below is a comprehensive table of key parameters, pricing, and delivery details-with a focus on ESFR and dry-type features:

 

Specification	Details (Highlighting ESFR & Dry-Type Value)
Product Type	ESFR Dry Type Fire Sprinkler (Pendent)
Material	Brass (anti-corrosion, cold-resistant)
Sensitive Element	Fusible Alloy / JOB Glass Bulb (dual options)
ESFR K-Factor Range	K5.6(80) – K25(363) (high-flow for suppression)
Installation Type	Pendent (ceiling-mounted)
Key Design	Dry-type (no internal water, anti-freezing)
Applicable Environments	-20℃ ~ 50℃ (cold storage, high-storage warehouses)
Certificate	ISO, TüVRheinland-verified (ESFR performance)
Packing	Carton Box (shockproof for transport)

4. Frequently Asked Questions

 

Q: What's the difference between ESFR sprinklers and standard automatic sprinklers?
A: Standard sprinklers are designed for low-to-medium storage (≤3m) and focus on "containing" fires. ESFR sprinklers are built for high storage (≥6m) and "suppressing" fires early: they activate faster (10–15s vs. 30–60s) and deliver 2–3x more water flow to penetrate deep into stacked cargo-preventing flames from spreading upward or outward, which is critical for warehouses with tall pallet racks.

Q: Can this dry-type sprinkler be used in normal-temperature warehouses (e.g., 20℃)?
A: Yes. While it's optimized for low temperatures, its dry-type design works equally well in normal environments. It's a versatile choice for facilities with mixed zones (e.g., a warehouse with both ambient-temperature and cold-storage sections)-you can use the same sprinkler type across the entire space, simplifying inventory and maintenance.

Q: How do I choose between fusible alloy and JOB glass bulb sensitive elements?
A: Choose based on your environment: ① Fusible alloy (recommended for dusty or vibration-prone spaces, e.g., construction material warehouses) – resists damage from debris or equipment vibration; ② JOB glass bulb (ideal for clean environments, e.g., food cold storage) – activates more precisely at preset temperatures (common options: 68℃, 79℃). We can customize the activation temperature for both elements (MOQ: 2,000 units).

Q: Is it compatible with existing automatic fire sprinkler systems?
A: Yes. It fits standard sprinkler system pipelines and control valves (no need for custom adapters). The pendent installation aligns with most ceiling designs, and its K-factor range matches the flow capacity of standard fire pumps-whether retrofitting an old warehouse or installing in a new build.

 

5. Q: Why choose CA-Fire for this ESFR dry type sprinkler?

 

A: CA-Fire's strength lies in engineering ESFR systems for high-risk scenarios, not just repurposing standard sprinkler designs. Key advantages include:

ESFR Expertise & Testing: We have 8+ years of R&D focused on ESFR technology-this sprinkler's flow pattern and activation speed are tested in full-scale warehouse fire simulations (6m+ stacked cargo) to ensure it meets global ESFR standards (e.g., NFPA 13). Every unit undergoes heat activation and flow rate tests before shipment.

Cold-Resistance Validation: The dry-type design is validated in -20℃ freeze tests (72-hour continuous exposure) to confirm no structural damage or activation failure-critical for cold storage operators who can't risk sprinkler downtime.

Mass Production Capacity: With a monthly output of 100,000 sprinklers, we ensure stable supply for large warehouse projects (e.g., 20,000+ units for a logistics hub). Our 53,460㎡ factory and raw material traceability system (brass meets GB/T 5231) guarantee consistent quality across batches.

Global Customer Trust: Exported to Colombia, Argentina, and Malaysia, our ESFR sprinklers have a 93.8% satisfaction rate-used in cold storage facilities and high-volume warehouses. We also offer free on-site technical guidance (via video call) to ensure correct installation for ESFR performance.

 

6. Q: How to contact CA-Fire for inquiries or orders?

 

A: For product quotes, ESFR system compatibility checks, or custom sensitive element requests, reach our team via:

Dulcia Chen

Phone: +86 191 6381 1547

Email: sales8@ca-fire.com

Official Website: www.cafire-119.com

Address: No.8, Yuanfeng Road, Meiyuan Village, Kangmei Town, Nan'an City, Quanzhou City, Fujian Province, China

 

We prioritize high-risk facility needs-for large orders (≥10,000 units), we can provide a detailed ESFR layout plan (aligning with your warehouse's storage height) within 1 business day. We also offer free samples (buyers cover shipping) to verify cold resistance or activation performance before bulk procurement.

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