K5.6 Quick Response Fire Sprinkler

K5.6 Quick Response Fire Sprinkler is a critical component widely used in Automatic Sprinkler Systems. Its design centers on early fire detection and rapid response, making it suitable for occupant-dense occupancies (e.g., hospitals, schools, residential buildings) or environments where fires propagate quickly.
It enables rapid fire sensing and activation at the initial stage of a blaze, acting as a core fire safety device to safeguard personnel in high-risk, people-concentrated spaces.

•Product Name：Quick Response Fire Sprinkler
•Material :luminum alloy/ titanium alloy/ stainless steel
•Size :For the low-pressure type, the body length ranges from 0.4–0.8 inch (10.16–20.32 mm), with the decorative cover diameter measuring 1.2–1.8 inches (30.48–45.72 mm). For high-temperature or high-value scenarios, the body is slightly longer (0.8–1.2 inches / 20.32–30.48 mm), and the decorative cover is slightly larger (1.5–2.0 inches / 38.1–50.8 mm).
•Nominal Pressure :5–18 bar（72.5–261 psi）
•Operating Temp:-20°Cto +60°C
•OEM Service：Accepted
•Delivery Terms：FOB, CFR, CIF, EXW
•Payment Mode：T/T, L/C, PayPal, Western Union

Product category:

UL/FM Fire Sprinkler

Enterprise Atlas:

Email:

linhaifeng117@gmail.com

Inquiry Now

Product Details

————

K5.6 Quick Response Fire Sprinkler

The working principle of the fast response fire sprinkler is based on the basic principles of fluid mechanics and thermodynamics. When a fire occurs, the surrounding air heats up rapidly, and the detector inside the nozzle can sense this change in time to trigger the opening mechanism of the nozzle. Compared to standard fire sprinklers, the Victaulic fast-response sprinkler releases water faster, effectively reducing latency and providing a more timely response during the initial fire phase. This efficient design not only saves water but also reduces the impact on the environment.

KEY WORDS： quick response fire sprinkler，k5.6 fire sprinkler，factory fire sprinkler，fire sprinkler head，fire sprinkler ul，1/2inch fire sprinkler，China, manufacturers, suppliers, wholesale, factory，

Other Classifed Products：

Fire Hose Categories, Fire Sprinkler System, Fire Protection Valve , Fire Hose Reel&Cabinet , Fire Foam Equipment，Fire Nozzle and Fire Monitor , Fire Hydrant , UL/FM Fire Fighting Equipment , Brass Valve Categories , Fire Extinguisher Series

————

Advantage

• The factory fire sprinkler is made of high quality materials with excellent corrosion and high temperature resistance, suitable for a variety of harsh environments.

• Its structure design is simple, users can easily install and daily maintenance, greatly reducing the risk and cost during use.

• This fire sprinkler head is unique in its flow characteristics and effluent design, which can spray water on the flame in a very short time, minimizing the damage caused by the fire.

————

Specification

Type	Temperature Rating	Working Pressure (psi)
Pendant/Upright/Sidewall	135°F (57°C)	250
Pendant/Upright/Sidewall	155°F (68°C)	250
Pendant/Upright/Sidewall	175°F (79°C)	250
Pendant/Upright/Sidewall	200°F (93°C)	250
Pendant/Upright/Sidewall	286°F (141°C)	250
Pendant/Upright/Sidewall	360°F (182°C)	250
Recessed pendant/Sidewall	135°F (57°C)	250
Recessed pendant/Sidewall	155°F (68°C)	250
Recessed pendant/Sidewall	175°F (79°C)	250
Recessed pendant/Sidewall	200°F (93°C)	250

Feature

The K5.6 Quick Response Fire Sprinkler is an ultra-high-performance concealed fire protection device tailored for high-risk, high-value facilities. Its core features revolve around ultra-fast fire response, ultra-fine atomization for precise fire suppression, and exceptional concealment with aesthetic refinement, balancing safety and visual harmony. Below are its key characteristics:

1.Ultra-Fast Response Performance: Features an industry-leading RTI (Response Time Index) value, enabling millisecond-level fire detection and activation.

2.Ultra-Fine Atomization: Delivers pinpoint coverage to minimize water damage while effectively controlling fires.

3.Concealed Design: Achieves "zero-gap" integration with the ceiling for unparalleled aesthetic subtlety.

4.Materials & Durability: Combines lightweight construction with high corrosion resistance to thrive in demanding environments.

2.Installation & Maintenance: Precision-engineered for seamless fitting, ensuring efficient setup and long-term upkeep.

Product Parameter

Type:	Pendant / Upright/Concealed
Response Type:	Quick Response
Flow Coefficient (K):	K=5.6
Temperature Rating:	Commonly: 68°C (155°F, Orange Glass Bulb), 79°C (175°F, Red Glass Bulb), 93°C (200°F, Yellow Glass Bulb); Special scenarios can choose 141°C (286°F, Green Glass Bulb)
Working Pressure Range:	✅ Wet System: 0.10~0.35 MPa (14.5~50.8 psi); ✅ Dry/Pre-action System: 0.10~0.25 MPa (14.5~36.3 psi)
Body Material:	Brass/Stainless Steel
Installation Method:	✅ Pendant: The nozzle is installed downward under the suspended ceiling. ✅ Upright: The nozzle is installed upward on top of the pipe. ✅ Concealed: The decorative cover is flush with the ceiling, and the nozzle is hidden inside the suspended ceiling.
Size :	For the low-pressure type, the body length ranges from 0.4–0.8 inch (10.16–20.32 mm), with the decorative cover diameter measuring 1.2–1.8 inches (30.48–45.72 mm). For high-temperature or high-value scenarios, the body is slightly longer (0.8–1.2 inches / 20.32–30.48 mm), and the decorative cover is slightly larger (1.5–2.0 inches / 38.1–50.8 mm).
Nominal Pressure :	5–18 bar（72.5–261 psi）
Channel Design :	Full Port Straight Through Type
Working Media :	water
Operating Temp :	-20°Cto +60°C

————

FAQ

Q: Can you accept sample order?

A: Yes, we accept samples with little and reasonablecharge.But need customer pay sample fees and transportfees firest.

Q: What is your payment terms?
A: Payment supports T/T, L/C, etc.

Q: How can l get my order?
A: We will send you the goods by UPS,DHL,Fedex,OverseaShipment or other forwarder, all with tracking number.

Q: Why choose us?
A; With over 15 years of experience in the fire protectionindustry, our company has professional technical personne!and many well-known partners in the domestic market. Weoffer favorable prices and guarantee quality, having passedmultiple certifications!

——

We serve customers for over 15 years — so we’ve got the knowledge and industry experience to help you get it right.Professional technical support, intimate service experience We have a professional technical support team, at any time to provide you with product consultation, installation guidance and after-sales service.

Let the professionals at Sheng Feng Fire help you select the products that meet your exact needs.

Welcome to inqury us！