Customized High Precision 57 Degrees Concealed Fire Sprinkler for Fire Fighting

• Customization: Available
• Sprinkler Installation: Sidewall
• Sprinkler Head Type: Closed
• Model NO.: JF-LSJ
• Automatically Opened and Closed Repeatedly: Can Automatically Opened and Closed
• Open Fire Sprinkler System Type: Deluge System
• Closed Fire Sprinkler System: Dry Fire Sprinkler System
• Dry Alarm Valve Type: Enclosed Type
• Wet Alarm Valve Structure: Seat Type
• Alarm Valve Diameter: 80mm
• Nozzle Flow Coefficient: 115
• Deluge Valve Type: Piston Type
• Processing Type: Metal Spinning
• Mould: Multistep Progressive Dies
• Surface Processing: Electroplating
• Fine Blanking: Open
• Process: Forming Process
• Industry: Metal Stamping Parts
• Tolerances: 0.1mm
• Customized: Customized
• Item: Steering Link
• Application: Auto Part
• Part Type: Steering Drag Link
• Export Markets: Global
• Shipping Port: Qingdao
• Place of Origin: China
• Transport: by Sea or Air
• Transport Package: Plywood or Iron Cases
• Specification: Custom Made
• Trademark: OEM
• Origin: Weifang City, Shandong Province, China
• HS Code: 7326199000
• Production Capacity: 50000PCS/Month
• Package Size: 7.00cm * 7.00cm * 4.00cm
• Package Gross Weight: 0.050kg

Product Description

             Customized High Precision 57 Degrees Concealed Fire Sprinkler for Fire Fighting

 

Product Description

 

Product Description
The glass bulb sprinkler head is an important component of a sprinkler system,  the mechanism is that the glass bulb is sensitive to heat, when the surroundings temperature reaches a certain point,   the glass bulb will break and activate the sprinkler to spray water for fire extinguishing. 

The concealed sprinkler head is usually installed at places with luxurious decoration and beautiful appearance,such as antechamber, meeting room, shopping mall, hotel, and recreational center, etc. It can be concealed in the ceiling completely. The color of the cover plate can match with ceiling to make the installed hole hue harmonious.



Introduction:
Sprinkler is an important part of wet-type auto spraying system. It is usually installed inside the building and structures with light fire danger, medium fire danger and heavy fire danger, such as workshop, warehouse, hotel, shop, recreational place, hospital, cinema, office building and garage.
The sprinkler is composed of sprinkler frame, sealant and glass bulb. It is to be installed in the protective district via ductwork, acting as a fire detector and auto sprayer. In case of fire inside the protective district, the atmosphere temperature rises up and the liquid inside the glass bulb expands after being heated and explodes after reaching the operating temperature of the glass ball. The sealant drops and the sprinkler sprays to the protective district for fire extinguishments subject to the preset shape of spraying.

Installation,Usage and Maintenance:
During installation, should pay attention not to damage the bulb to avoid affect the thermal performance. In the process of wrench and twist, do not use spanner to wrench the supporting arm to deformation and affect thesealing performance (note: the bulb temperature can be chosen according to the needs of users)
Product Feature:
It can not only detect the fire, but also extinguish the fire by spraying water.
 

 

 

Application:
It is usually installed in areas with fire danger, including warehouses, shopping malls, hotels, hospitals, theaters, office building, high-rise building, garages and etc.
 

Type	Upright / Pendent /Sidewall/Conventional/Concealed
Material	Brass/Zinc
Surface finish	Natural brass or Chrom Plated or White Color Coated
Thread diameter	1/2" NPT/BSPT (DN15)	3/4" NPT/BSPT (DN20)
Flow characteristic coefficient	80L/min(K=5.6)	115L/min(K=8.0)
Glass bulb diameter	5mm(Standard Response) or 3mm(Quick Response)
Certificates	ISO,CCC,UL
Max working pressure	1.2Mpa (175Psi/12 Bar)
Factory Hydrostatic Test	100%, 3.0Mpa

Sprinklers can be used to detect fires,and through automatic sprinkler to control and extinguish fires. 
Automatic sprinkler system is the main components,It's widely used in high-rise buildings,hotels,shopping malls,factories,warehouses and other buildings,to meet the various hazards Level of protection requirements.

 

1. The installation distance of the spray head is generally 3.6 meters in diameter and 1.8 meters in radius;
2. The maximum protection area of the sprinkler is 12.5 square;
3. The spray head should not be less than 300mm from the wall;
4. When the distance between the spray head and the ceiling is greater than 80m, and there are combustibles in the ceiling, the    upper and lower sprays are required.   

FAQ:
Q: What's your payment terms?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q4. What is your term of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q5. How about your delivery time?
A: Generally, it will take 10 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q6. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q7. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q8. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q9. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers' benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.


Quality First,Price Best,Service Foremost!
     We assure you of our best services at all times!
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