5pcs 68°F Fire Sprinkler Head - DN15/DN20 Pendent & Upright, Concealed Design for Commercial Buildings(DN20,Spray upwards)

Features:A key component of an automatic fire suppression system, sprinklers detect fires and control or extinguish them.The sprinkler head is assembled by copper alloy frame, glass ball and seal, compact in shape and beautiful in appearance.High-strength material, surface passivated primary color or polished chrome, available.Widely used in restaurants, hotels, shops, commercial buildings, warehouses, underground garages, garment factories.Specification:Material: copper alloy + glassSize: as shownColor: as picturedType: Vertical sprinkler/lower sprinklerWorking temperature: 68Package Includes: 5pcNotes:Location of use: Lower spray nozzles are usually used in places with suspended ceilings, while upper spray nozzles are used in places without suspended ceilings.Spray direction: The water flow from the lower spray nozzle mainly sprays downwards, while the water flow from the upper spray nozzle sprays upwards, with about 85% of the water flowing downwards.Installation height: The installation height of the upper spray nozzle is generally 75mm-150mm above the top.Replacement restriction: The upper and lower spray nozzles cannot be replaced casually because their working principles and applicable environments are different. Incorrect replacement will directly affect the fire extinguishing effect.These differences are crucial for fire safety, ensuring the correct type of nozzle can effectively improve fire extinguishing efficiency.We prioritize customer satisfaction. Our responsive customer service team is available to assist you with any questions or concerns you may have.

• 68° Quick Response – Activates at 68° for fast fire suppression in standard environments.
• Dual Installation Options – Works in both pendent (downward) and upright (upward) positions for flexible placement.
• Concealed Design – Sleek, low-profile construction blends seamlessly into ceilings for a clean aesthetic.
• DN15/DN20 Compatibility – Fits standard ½" (DN15) and ¾" (DN20) piping for easy installation.
• Commercial & Public Use – Ideal for factories, schools, shopping malls, and office buildings.