Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong

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Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong Detail:

Model ESFR-202/68℃ P ESFR-202/68℃ U ESFR-202/74℃ P ESFR-202/74℃ U ESFR-242/74℃ P 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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Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures

Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong detail pictures


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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value unification, dedication, tolerance for Leading Manufacturer for Mist Sprayer - Fusible alloy/Sprinkler bulb ESFR sprinkler heads – Zhurong , The product will supply to all over the world, such as: British, Cairo, Pakistan, Till now, the goods list has been updated regularly and attracted clients from around the globe. Detailed facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are going to help you get comprehensive acknowledge about our products and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Lindsay from UAE - 2017.03.08 14:45
    We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Anastasia from Haiti - 2017.03.28 12:22
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