OEM/ODM Supplier China Ys Upright Fire Sprinkler Head Automatic Fire Protection Sprinkler Nozzle

Short Description:

Type: Pendent
Material: Brass
Nominal diameter(mm): DN15 or DN20
K factor: 5.6(80) OR 8.0(115)
Rated Working Pressure: 1.2MPa
Testing pressure: 3.0MPa holding pressure for 3min
Sprinkler Bulb: Special response
Temperature rating: 68℃(155℉)


Product Detail

Product Tags

We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of OEM/ODM Supplier China Ys Upright Fire Sprinkler Head Automatic Fire Protection Sprinkler Nozzle, Our clients mainly distributed in the North America, Africa and Eastern Europe. we can easily source high-quality solutions along with the pretty aggressive price.
We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of China Fire Sprinkler Heads, fire sprinkler, Our solutions are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

Fire Sprinkler Pendents

The pendent fire sprinkler head is the most common type that you will see. Pendant sprinkler heads descend from the ceiling with a convex, circular, gapped deflector plate on the bottom.

When the sprinkler heads activate, they send a stream of water downward onto their deflectors, which then disperse the water widely, side to side, throughout the room in a conical pattern.

Because the pendants extend from the ceiling, they provide the greatest amount of coverage of the space. There are many variations of the pendant, and it can be very effective in protecting a variety of buildings and spaces, from industrial buildings to daycares.

Sprinkler Head Common Components

There are four main types of fire sprinkler heads on the market.
But, before diving into the descriptions of those, it’s helpful to understand the basic components common to all sprinkler heads and how they work:
● Sealing Assembly: also known as the “plug,” the sealing assembly on a fire sprinkler head helps prevent water from seeping out and escaping.

● Heat-sensitive element: all sprinkler heads have a heat-sensitive element that plays the primary role in activating the fire sprinkler system. In some sprinkler heads, a glass bulb is used, while in others, a fusible metal link is used.

Glass bulbs: the glass bulbs used in some fire sprinkler heads act as a plug holding back the water in the system. The bulbs typically contain a glycerin-based liquid.

As the air around the sprinkler head reaches the target temperature – usually 155F or 200F – the glycerin-based liquid expands. Once the target temp is reached, the liquid expands enough to burst the glass bulb. With the bulb out of the way, water begins to escape from the sprinkler head, flowing toward the sprinkler head deflector (discussed momentarily).

Fusible link: sprinkler heads using a fusible link have metal filaments that are secured to the sprinkler with a heat-sensitive alloy. The alloy will melt as the temperature rises and, when the temperature reaches its target, it will melt away sufficiently to allow the metal filament to fall and activate the fire sprinkler, sending water towards the deflector.
Glass bulbs and fusible links can be designed to respond to different temperatures. Thus, the heat-sensitive element chosen for a sprinkler head will depend on the needs and environment of the facility it is protecting.

● Deflectors: sprinkler head deflectors are the metal plates that direct the flowing water in the direction it needs to go. When water is released from the sprinkler head at activation, the stream hits the deflector and sprays outward.

Deflectors do vary depending on the type of sprinkler head because each type of head needs to disperse water in different directions. The deflectors for each sprinkler head will be discussed in further detail below.

● Frame: the frame is the metal casing that surrounds/holds the heat-sensitive element, sealing assembly, and deflector.

● Fire sprinkler escutcheon: though not present with all fire sprinklers, the fire sprinkler escutcheon is a common addition to many pendant sprinkler heads.

Sometimes confused with caps, the escutcheon is a ring used with fire sprinkler pendants to cover the hole in the ceiling that had to be cut to allow the sprinkler head through.

The escutcheon does not cover over the sprinkler head, but fits around it, filling the gaps between the sprinkler head and the ceiling to give it a more finished and aesthetically pleasing appearance. The escutcheon also plays an important role in preventing heat from escaping and failing to activate the sprinkler head.

It is important only to get escutcheons that were made specifically for your fire sprinkler system, as they are designed to help with controlling the heat and activating the sprinkler accurately. Pairing the wrong escutcheon with a sprinkler head could prevent it from activating when needed.We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of OEM/ODM Supplier China Ys Upright Fire Sprinkler Head Automatic Fire Protection Sprinkler Nozzle, Our clients mainly distributed in the North America, Africa and Eastern Europe. we can easily source high-quality solutions along with the pretty aggressive price.
OEM/ODM Supplier China Fire Sprinkler Heads, Fire Sprinkler, Our solutions are widely recognized and trusted by users and can meet continuously changing of economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!


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