Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

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We believe that long time period partnership is a result of top of the range, value added services, rich expertise and personal contact for Fire Fighting Nozzle, Fire Pendent, Zstx80-68℃, As a leading manufacture and exporter, we enjoy a good reputation in the international markets, especially in America and Europe, because of our top quality and reasonable prices.
Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong Detail:

Model ESFR-242/74℃ P ESFR-202/68℃ P ESFR-202/68℃ U ESFR-202/74℃ P ESFR-202/74℃ U ESFR-242/74℃ U ESFR-323/74℃ P ESFR-323/74℃ U ESFR-363/74℃ P ESFR-363/74℃ U
Mounting Pendent Upright Pendent Upright Pendent Upright Pendent Upright Pendent Upright
Flow Characteristics 202 202 242 323 363
Thread Size R₂ 3/4 R₂ 1
Nominal action temperature 68℃ 74℃
Nominal Working Pressure 1.2MPa
Factory test pressure 3.4MPa

Background – History

In the 1980s, early suppression, fast response (ESFR) sprinkler systems were developed as an alternative to in-rack systems. They were designed to actually suppress or extinguish the fire, while conventional sprinklers can only control fires, therefore eliminating the need for extinguishment by firefighters.
How do they work? ESFR sprinklers are designed to release 2-3 times the amount of water of conventional sprinkler heads and to emit larger droplets of water, which in turn have a greater momentum than droplets emitted from conventional heads. As a result, more water and a greater share of the water reaches the fire allowing the flames to be extinguished.

Application

In general, ESFR systems can be used in warehouses with storage that do not exceed 40 feet in overall height, and with a ceiling height of less than 45 feet. And there are sprinkler system protection schemes that will allow storage above those heights. These may include in-rack sprinklers or a combination of ESFR with in-rack sprinklers.
ESFR systems are designed to protect a wide array of commodities. This provides more flexibility in warehouse operations when compared to control mode (conventional) sprinkler systems, which are designed to protect only the commodities that were stored at the time of system installation. If the storage situation requires in-rack sprinklers to be installed to the existing control mode systems of a warehouse building, often building owners prefer to change over to ESFR, simply because then there is no need to worry about damaging in-rack sprinkler heads during normal storage operations. Additionally, in-rack sprinklers have to be removed and sometimes replaced with each new tenant, since the tenants own the racks. Therefore, converting to an ESFR system is at times more cost-effective in the long run.


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Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures


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We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for Super Purchasing for Zstp-15 Upright – Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong , The product will supply to all over the world, such as: Morocco, Iraq, Marseille, We have developed large markets in many countries, such as Europe and the United States, Eastern Europe and Eastern Asia. Meanwhile with the powerful predominance in persons with ability, strict production management and business concept.we constantly carry on self-innovation, technological innovation, managing innovation and business concept innovation. To follow the world markets fashion, new products are kept on researching and providing to guarantee our competitive advantage in styles, quality, price and service.
  • Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
    5 Stars By Lydia from Honduras - 2018.07.27 12:26
    Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
    5 Stars By Alma from Macedonia - 2017.07.07 13:00
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