Fusible Alloy Fire Sprinkler Head for Fire Sprinkler System
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Product Highlights
- ESFR Technology: Early Suppression Fast Response sprinklers for high-piled and rack storage protection.
- High Efficiency: Delivers more water at lower pressures or covers greater areas, eliminating need for in-rack sprinklers.
- Brass Construction: Made of brass with natural brass surface finish for durability and corrosion resistance.
- Certified Quality: Complies with ISO and UL standards for reliable fire safety performance.
- Versatile Application: Suitable for high-piled storage, in-rack storage, warehouses, and high challenge occupancies.
- Fast Response: Designed for rapid activation to suppress fires early and minimize damage.
- Flexible Sizing: Available in DN20 (3/4') and DN25 (1') thread sizes with NPT/BSPT standards.
- High Pressure Rating: Max working pressure up to 1.2MPa (12 bar) with 100% factory hydrostatic test.
Product Attributes
- Customization
- Available
- Sprinkler Installation
- Upright/Pendent
- Sprinkler Head Type
- Closed
- Model NO.
- Y-ZST
- Alarm Valve Type
- Wet Alarm Valve
- Automatically Opened and Closed Repeatedly
- Can't Automatically Opened and Closed
- Closed Fire Sprinkler System
- Wet Fire Sprinkler System
- Nozzle Flow Coefficient
- 242L/Min,363L/Min
- Connecting Thread
- 3/4",1"
- Thread Standard
- NPT/BSPT
- Norminal Diameter(mm)
- Dn20/Dn25
- Material
- Brass
- Surface Finish
- Natural Brass
- Temperature Rating
- 74 Degree
- Response
- Fast Response
- K-Factor
- 16.8/25.2
- Working Pressure
- 0.1~1.2MPa
- Application
- High-Piled Storage/in-Rack Storage/Warehouse
- Transport Package
- Standard Export Package
- Specification
- 3/4" 1"
- Trademark
- SINCO/OEM
- Origin
- Quanzhou, Fujian
- HS Code
- 8424
- Production Capacity
- 2000pieces/Week
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Introduction
ESFR,early suppression fast response spinkler is one kind of storage sprinklers. They are intended for use in specific applications, including the protection of high-piled and rack storage of a variety of finished goods. There sprinklers can provide more water at lower pressures or more water over a greater area of coverage. In many instances, use of the storage sprinklers can eliminate the need for additional in-rack sprinklers. It could be used for high-piled storage, in-rack storage, warehouse, high challenge occupancies and so on.
Technical parameters
| Type | Early Suppression Fast Response (ESFR U/ESFR P) | |
| Material | Brass | |
| Surface finish | Natural brass | |
| Operating Temperature | 72 ºC | |
| Thread diameter | 3/4" NPT/BSPT (DN20) | 1" NPT/BSPT (DN25) |
| Flow characteristic coefficient | 241L/min(K=16.8) | 362L/min(K=25.2) |
| Celling height | Greater than 45ft(13.7m) up to and including 48ft(14.6m), and a storage arrangement up to and including 43ft(13.1m) | |
| Certificates | ISO, UL | |
| Max working pressure | 0.1~1.2Mpa (1~12 bar) | |
| Factory Hydrostatic Test | 100%, 3.0Mpa | |

Factory workshop
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR247369". Items marked "" are certified.
Company Profile
SINCO FIRE AND SECURITY Co., Limited is a professional company specialized in producing Fire fighting equipments and Safety products in China, has integrated scientific research, design, manufacture, sales and service.
We could supply fire hose, fire hose fittings, spray nozzle, coupling, automatic fire sprinkler system products, gate valves, check valves, ball valves, etc. All these products strictly confirming to JIS, API, ANSI and BS standards etc. All of our products comply with international quality standards and are greatly appreciate in avariety of markets around world. Our factory is covering an area of 15900 square meters, we now over 300 workers. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarteen total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a globe sales network reaching the North America, South America, Mideast, Southeast Asia, East Europe, etc.
We do, and always will, fashion our long time business relationships from advanced technology, excellent quality and good service.
About Our Factory & Business Background
- Address
- Fuxi Commercial and Business Building, Meilin Street, Quanzhou, Fujian, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays - Nearest Port
- Xiamen, Ningbo, Guangzhou
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2011-03-09
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the primary application of this sprinkler?
- It is designed for ESFR applications, specifically protecting high-piled storage, in-rack storage, warehouses, and high challenge occupancies.
- What materials are used in the sprinkler head?
- The sprinkler head is made of brass with a natural brass surface finish.
- What certifications does this product have?
- The product holds ISO and UL certifications, ensuring compliance with international safety standards.
- What are the available thread sizes and standards?
- Available sizes are DN20 (3/4') and DN25 (1') with NPT or BSPT thread standards.
- What is the maximum working pressure?
- The maximum working pressure is 0.1~1.2MPa (1~12 bar), and it undergoes 100% factory hydrostatic testing at 3.0MPa.
- How does this sprinkler improve coverage?
- It provides more water at lower pressures or over a greater area, often eliminating the need for additional in-rack sprinklers.
- What is the response type of this sprinkler?
- It is a Fast Response sprinkler, designed for early suppression of fires.
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