Ca-Fire Protection Co.,Ltd is one of the most credible manufacturers and suppliers of fire fighting 5mm glass bulb rotational rain shower sprinkler deluge sprinkler in China. Welcome to wholesale custom made fire equipment products at competitive price from our factory. Contact us for more cheap products.

 

Fire Fighting Rotational Rain Shower Sprinkler - Q&A

 

1. Q: What is the CA-Fire 5mm Glass Bulb Rotational Rain Shower Sprinkler?

 

A: The CA-Fire 5mm Glass Bulb Rotational Rain Shower Sprinkler (Model: B-DSXC) is a high-sensitivity fire suppression component engineered for rapid, wide-area fire control. It combines two key features: a rotational rain shower design that distributes water evenly across large spaces, and a 5mm JOB glass bulb (sensitive element) that triggers automatically when temperatures reach 68℃-ensuring fast response to early-stage fires.

 

Crafted from corrosion-resistant stainless steel (ideal for humid or industrial environments), it features a pendent installation type (suited for ceiling mounting) and supports two connecting threads (R3/4, R1) to fit standard fire pipelines. With a nominal diameter of DN20/DN25 and adjustable flow rates (142–360 LPM), it is widely used in commercial buildings (shopping malls, hotels), industrial workshops, warehouses, and public venues (stadiums, libraries). It effectively suppresses Class A fires (solid combustibles like wood, fabric) by creating a uniform "rain-like" water curtain that cools and smothers flames without excessive water damage.

 

2. Q: What are the core advantages of this rotational rain shower sprinkler?

 

A: This product stands out with 4 targeted strengths, tailored to reliable fire detection and efficient suppression needs:

Premium Stainless Steel Durability: Made of high-grade stainless steel, it resists rust, humidity, and mild chemical exposure (common in food processing or pharmaceutical workshops). Unlike plastic or low-grade metal sprinklers, it maintains structural integrity for over 10 years, reducing replacement costs.

Fast 5mm Glass Bulb Activation: The 5mm JOB glass bulb is filled with heat-sensitive liquid-when ambient temperature hits 68℃, the liquid expands to shatter the bulb, triggering the sprinkler instantly. This fast response (faster than 8mm glass bulbs) minimizes fire spread in critical early stages.

Rotational Rain Shower Coverage: The sprinkler head rotates 360° when activated, distributing water in a uniform rain shower pattern. This design covers 2–3x more area than fixed-spray sprinklers, reducing the number of units needed per square meter and lowering installation costs.

Cost-Effective Bulk & Easy Installation: Competitive pricing scales with order volume: $8 per unit for 1,000–1,999 units, and $6.50 per unit for orders ≥2,000 units (a 19% discount). Its simple pendent design and standard R3/4/R1 threads require no specialized tools for installation-cutting down on labor time.

 

3. Q: What are the detailed technical specifications?

A: Below is a comprehensive table of key technical parameters, pricing, and delivery details:

Specification	Details
Model Number	B-DSXC
Product Type	Rotational Rain Shower Sprinkler (Pendent)
Material	Stainless Steel
Sensitive Element	5mm JOB Glass Bulb
Temperature Rating	68℃ (activation temperature)
Nominal Diameter	DN20 / DN25
Connecting Thread	R3/4, R1
Flow Rate Options	142 / 202 / 242 / 282 / 360 LPM
Installation Type	Pendent (ceiling-mounted)
Certification	CCCF, ISO
Minimum Order Quantity (MOQ)	1 unit (standard); 6,000 units (customized)
Lead Time	1–2,000 units: 15 days; >2,000 units: To be negotiated

 

4. FAQ

 

A: Here are answers to common customer inquiries to support procurement and use:

Q: What does the 68℃ temperature rating mean, and is it suitable for my space?
A: 68℃ is the standard "ordinary temperature" activation threshold-ideal for most indoor spaces (offices, malls, warehouses) where ambient temperatures rarely exceed 35℃. It avoids false triggers from normal heat sources (e.g., HVAC systems) while reacting quickly to fire-related temperature spikes. For high-temperature areas (e.g., bakeries), we offer custom temperature ratings (e.g., 79℃, 93℃) upon request.

Q: Why is a 5mm glass bulb used instead of a thicker one?
A: A 5mm glass bulb offers faster heat transfer-thicker bulbs take longer to absorb heat and shatter, delaying sprinkler activation. The 5mm JOB bulb balances sensitivity and durability, ensuring it only triggers when needed (no accidental breakage from minor impacts) while responding to fires in 10–15 seconds.

Q: Do I need professional installers for this pendent sprinkler?
A: While basic installation is straightforward (matches standard ceiling pipelines), we recommend certified fire safety installers for commercial/industrial projects. This ensures compliance with local fire codes (e.g., NFPA, GB) and proper alignment for optimal rotational coverage. We provide a detailed installation manual with every order, and our team offers free technical guidance via email/phone.

Q: What warranty do you offer, and how do I handle quality issues?
A: We provide a 1-year warranty from the delivery date, covering manufacturing defects (e.g., leaky connections, faulty glass bulbs). If you encounter quality issues, contact our after-sales team with photos/videos of the problem-we will arrange replacements or refunds within 3 business days. Our packaging (reinforced cartons) also minimizes transit damage, with a 99.8% "damage-free delivery" rate.

 

5. Q: Why choose CA-Fire Protection Co., Ltd. as your supplier?

 

A: Founded in 2014 and based in Quanzhou, Fujian (China's fire protection industry hub), CA-Fire is a trusted manufacturer specializing in high-quality sprinkler systems. Our strengths for this product include:

Expertise in Sensitivity & Coverage: We have 8+ years of R&D experience in glass bulb sprinklers-this product's 5mm bulb and rotational design are optimized for both speed and coverage, tested to meet CCCF and ISO standards.

Scale & Consistency: A 53,460㎡ factory, 107 professional staff, and monthly production capacity of 100,000 sprinklers ensure stable supply for bulk orders. Raw materials (stainless steel, glass bulbs) are fully traceable, and every unit undergoes TüVRheinland-verified inspection.

Global Market Trust: Products are exported to Colombia, Argentina, Malaysia, and beyond, with a 93.8% customer satisfaction rate. We understand regional fire codes and can adjust parameters (e.g., thread type, flow rate) to meet local requirements.

Customer-Centric Service: We offer free samples (buyers cover shipping), flexible customization (MOQ 6,000 units), and ≤2-hour response times for inquiries-supporting both small-scale projects and large-volume procurement.

 

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

 

A: For product quotes, technical consultations, or custom 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

 

 

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