Brass Standard/Quick Response UL/FM Sprinklers

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Nanjing Fire Protection Technology Co., Ltd.

VIP   Audited Supplier 13 years
Profile Certified by SGS/BV
Upright
Closed
Wet Fire Sprinkler System
80
5.6 (U.S.) / 80 (Metric)
5mm Glass Bulb
Standard Response
Natural Brass/ Chrome Plated/ White Color Coated
57°c,68ºC,79ºC,93ºC
1/2''npt or 1/2''bspt
FM/UL/CCC/ISO
TUNA
Cartons
Brass
Nanjing, China
84249090
Product Description
Product Description

NX021/NX023/NX025 Standard Response Sprinklers (Ref. Figure A) are automatic sprinklers of the frangible bulb type. They are "standard 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 Sidewall/Upright/Pendent Sprinklers all produce a hemispherical water distribution pattern below the deflector.

 

Product Parameters
Model            Brass Standard Response Sprinkler
Type              NX021/NX023/NX025
Nominal K-Factor   5.6 (U.S.) / 80 (metric)
Bulb Nominal Dia. 5mm glass bulb
ResponseStandard Response
FinishNatural Brass/ Chrome Plated/ White Color Coated
Transport packageCartons
OriginChina
Temp.  57ºC,68ºC,79ºC,93ºC
Thread Size1/2"NPT or 1/2"BSPT
Cert.  FM/UL/CCC/ISO
Trademark TUNA
HS CODE8424909090
Main Products
Application

Our Advantages
  1. Established in 1958
  2. Dozens of patents of independent intellectual property rights
  3. First level construction qualification of national general contracting for fire protection engineering and special Class A qualification for fire protection facility engineering design
  4. Having a fire experimental center recognized by CNAL
Company Profile


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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