The temperature sensing element in the release mechanism of the welded fusible element nozzle is connected by two equal-length connectors through the fusible element welding layer. When the operating temperature is reached, the solder joints are melted, the connectors are separated, and the nozzle sprinkles water. Under normal circumstances, the force generated by the water pressure applied to the nozzle inlet and the force exerted on the nozzle body by the nozzle assembly load will generate a lot of mechanical pressure on the thermally sensitive components. The welded fusible component nozzle adopts the principle of leverage to reduce the effect on the fusible The force on the connector. With this structure of the nozzle, the mechanical pressure is decomposed into the force on the pillar, the mechanical force of the fusible connection and the flux load between the fusible connection parts, so that the flux withstands low force and can avoid reaching the operating temperature. The components of the required flux cause cold flow under high stress.
The Specification of K242 Fire Sprinkler Heads
| K FACTOR | K17@US(242@Metric) |
| Thread Size | DN20(3/4") |
| Connecting Thread | BSP(NPT Optional) |
| Main Material | Brass |
| Sensitive Element | Fusible Alloy |
| Seal Material | NBR(Teflon Optiona) |
| Surface Finishing | Natural Brass |
| Temperature | 74°C,100°C |
The FAQ of K242 Fire Sprinkler Heads
Q1:Can we make field trips and visit your factory?
Yes, We are pleased you come to visit our factory.Welcome!
Q2: Whether the product supports OEM customization？
Yes. Please inform us formally before our production and confirm the design and other requirements firstly .
Q3: How many agents the company currently has overseas?
Currently we have 2 agents abroad. One in Israel and one in Maldives.
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1)Use the fusible alloys as sensitive components has stable performance, precise operating temperature, and fast response speed.
2)By installing ESFR sprinkler heads in the overhead system, the layered sprinkler heads on each shelf can be eliminated, thus simplifying the system and saving investment costs.
