| Customization: | Available |
|---|---|
| Sprinkler Installation: | Pendent |
| Sprinkler Head Type: | Closed |
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The NX008 Quick Response Concealed Pendent Sprinklers (Ret. Figure A) are automatic sprinklers of the frangible bulb type. They are "quick response-standard orifice spray sprinkler' intended for use in fire sprinkler systems designed in accordance with the standard installation rules recognized by the applicable Listing or Approval agency (e.g., UL Listing is based on NFPA 13 requirements). The Concealed Pendent Sprinklers all produce a hemispherical water distribution pattern below the deflector.
This model sprinkler includes a Cover Plate Assembly that conceals the sprinkler operating components above the ceiling. The Cover Plate Assembly, which installs onto the Sprinkler/Mounting Cup Assembly, consists of a Cover Plate that is soldered to an Enclosure at three equidistant locations around their peripheries. The Ejection Spring is located between the flange of the Enclosure and the Cover Plate, to ensure separation of the two pieces when the solder melts.
A Label located on the Cover Plate Assembly indicates the nominal temperature of the sprinkler and the nominal diameter of the Glass Bulb.
| Model | Concealed Pendent Sprinkler |
| Type | NX008 |
| Nominal K-Factor | 5.6 (U.S.) / 80 (metric) |
| Bulb Nominal Dia. | 3mm glass bulb |
| Response | Quick Response |
| Temp. |
57ºC,68ºC,79ºC,93ºC(Sprinkler) |
| 57ºC,68ºC(Cover Plate) | |
| Thread Size | 1/2"NPT or 1/2"BSPT |
| Cert. | UL |
Nanjing Tuna Fire Protection Co., Ltd, as a subsidiary of Nanjing Fire Protection Technology Co. Ltd, is responsible for the design and manufacture of automatic sprinkler systems, hydrant water supply systems, foam fire extinguishing systems, high (medium) pressure water mist systems, and fire extinguishers. Founded in 1988, "TUNA" as a famous trademark in Jiangsu Province and Nanjing, its water system products: sprinkler heads, fire extinguishers, valve components and other classic products have a history of more than 30 years.
After Nanjing Fire became the first sprinkler manufacturer in China to obtain UL approval in 2004, in 2019, the company developed new sprinkler products according to UL and FM requirements, and became a sprinkler manufacturer with UL/FM double certification. Looking forward to the future, Nanjing TUNA will build a single safety firewall for the society and customers with reliable products and high-quality services, and contribute to the progress of the national fire protection industry.
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