difference between upright and pendent sprinkler

There is significant difference between pendant and concealed fire sprinkler. concerns or obstructions weigh against the use of other sprinkler types. Research over the past three decades shows that these extra seconds can have serious implications for human survival during a fire. Part 2, #370 – NFPA Guidance on Fire Hydrant Testing. A Practical Guide for Building Owners, #225 – Distance Rules, Part 2: Sprinkler Head Obstruction Distance Rules for Standard Spray Fire Sprinklers, Guides for Fire Protection Equipment and Fire Safety Systems, Standpipe Systems and Fire Department Connections, Top 3 Best Workplace Emergency Procedures - DialMyCalls on. As the names suggest, quick response sprinkler heads activate slightly more quickly. Scott, thanks for commenting! those It is cast with a hex-shaped wrench boss to allow easy tightening from many angles, reducing assembly effort. To read the complete Privacy Policy and Terms and Conditions governing your use of QRFS.com, please A licensed fire sprinkler contractor can also provide options estimates for replacements. They are generally used in mechanical rooms or other inaccessible areas to provide better coverage between obstructions like beams or ducts. The discharge pattern of standard spray upright and pendent sprinklers is a half paraboloid (umbrella shaped) pattern completely filled with water droplets (Figure 1). The biggest difference between standard and quick response sprinklers is the size of the bulb. Deluge sprinkler systems are typically used in areas where rapid fire damage is a major concern. Conventional Upright/Pendent Spray (CU/P) pdf Conventional Upright/Pendent Spray (CU/P) Download (pdf, 194 KB) Highlights: K-Factor: 80 lpm/bar; Treading: 1/2” BSPT (15mm) ... GW Sprinkler A/S Kastanievej 15 DK-5620 Glamsbjerg Denmark Tlf: +45 6472 2055 Fax: +45 6472 2255 Side Wall Sprinkler Head Flush Pendent – These sprinklers are used for smaller rooms such as apartments and condominiums. VK3271 - Microfast® Quick Response Upright Sprinkler (K4.2) - VdS Approved (Germany) VK345 - Microfast® Quick Response Upright Sprinkler (K5.6) - VdS, LPCB, FM Approved (Europe) Viking Fire Sprinklers The upright type of sprinkler heads are installed in an inverted position, and have deflectors that spray the water downward. A fire sprinkler's temperature rating is the temperature at which the sprinkler will activate, which closely tracks rising ceiling temperatures. A sprinkler designed to be installed in such a way that the water stream is directed downward against the deflector. I need a sprinkler head that will both protect the underside of the eaves (36” projection with 7.5” deep wooden tails) from updrafting embers and protect the house sidewall if a neighboring house were to catch fire. The water pattern of concealed sprinkler heads is circular. In addition to pendant &and upright sprinkler configurations, EC sprinklers are also available in sidewall configurations with spacings up to 16 x 24 ft. VicFlex™ Dry Sprinkler Style VS1 FIRELOCK™ MODEL FL-SR/DRY/C, DRY TYPE, STANDARD RESPONSE, CONCEALED PENDENT V3301 – K5.6 (8.1 SI) FireLock™ Model V3415 In short, fire sprinklers are expected to deliver more water while covering a smaller and smaller area as hazards increase. When we use Cookies, we may use “session” Cookies that last until you close your According to NFPA 13 (2016) 8.5.6.1, unless certain requirements are met, the distance between the deflector and the top of storage shall be at least 18 inches. information regarding your use of this website that is generated by the Cookie (including your Upright sprinklers are used in inaccessible areas that have a lot of beams and/or obstructions. Once the air around the sprinkler reaches a certain temperature – often 155F or 200F (68C or 93C) – the liquid expands which causes the glass to break. These ratings can be identified by the color of the liquid inside the bulb (listed below) in the case of glass-bulb sprinklers: From the 2019 edition of NFPA 13 (Table 7.2.4.1). Die-cast frames, like those found in Victaulic's 5.6K V27 FireLock pendent fire sprinklers, are made under high pressure in a metal mold and have a smooth, even surface free of the small indentations found on other sand-cast sprinklers. #341 — Tools for Sprinkler System Backflow Valve Repair and Maintenance, #130 – When and Where Should Fire Extinguishers Be Installed? Upright Sprinkler Head. Concealed fire sprinkler heads work to provide the same type of fire protection, without the unsightly look of a traditional fire sprinkler head. Flush ceiling sprinkler: pendant sprinkler integrated in the ceiling with the ... 4.3.2 The nominal operating temperature of concealed and recessed sprinklers shall be between 68°C and 93°C. I have 2 sprinklers in my ceiling that were installed about 10" from a faux beam that sticks down 3 1/2". the system is 1 inch orange fire pipe. While all types of fire sprinklers bear a close resemblance to one another, different fire sprinkler heads are designed for different environments and different applications, and require careful consideration. Google will use They are mostly used in home fire sprinkler systems, and in places where aesthetics are important. These heads are generally used in mechanical rooms or other inaccessible rooms. Photoluminescent Emergency Equipment Signs, click here to view our selection of Tyco, Viking, Victaulic, and Senju sprinklers. Sprinkler also called ELO (Extra Large Orifice) sprinklers. sprinklers when applying protection tables in Data Sheet 8-9. Tyco's white polyester coating, used with pendent sprinklers in the TY-B family of 5.6K quick and standard response sprinklers, is both UL and C-UL-listed for corrosion-resistance. We operate social media pages on third party networks and have social media icons on our website. A second deflector also sprays water back toward the wall so that the wall is protected. Dry pipe systems have to be installed in a manner which permits complete drainage. The difference that is clearly seen is about the place. Pendant sprinkler heads are the most common among the fire sprinkler heads. Please note, that the throw of a sprinkler should not be used for sprinkler spacing - local codes determine spacing requirements. They are mostly used in areas where better coverage between obstructions like beams or ducts is needed. Upright sprinkler heads point up toward the ceiling of your facility instead of the downward direction of the pendant heads. These differences, including those listed below, can streamline installation and extend product life. The most common pendent fire sprinkler has a 1/2" (12.7 mm) thread connection and a 5.6 K-factor, like those found in Viking’s VK302 and VK102, Tyco’s TY-B family of sprinklers, Victaulic's V27 FireLock, and Senju’s ZN-QR model sprinklers. The sprinkler head types discussed above are far from the only options available. In contrast, deflectors on upright heads curve toward the piping, catching and redistributing water as it shoots toward the ceiling. Social media providers have their own terms The Globe GL Series Sprinkler is a low profile yet durable design which utilizes a frangible glass ampule as the thermosensitive element. A quick response sprinkler is a bit thinner and has a faster response time as its name implies. Why is it important to test your Fire Hydrants? Upright Sprinkler Head. I need a comparison between each type of installation and the factors affecting my choice of upright, pendent or sidewall fire sprinkler. They are similar in design to wet pipe installations though with one major difference: the nozzle is always open. In the case of a fire, it will spray water in a circular pattern. Mark, thanks for reaching out! of Looking for the right fire sprinkler escutcheon for your sprinkler? When a fire occurs and the sprinkler activates, the air pressure drops and the main dry-pipe valve opens to release the water into the piping system to discharge from the sprinklers. Be used in the V27 family and their distribution patterns temperatures like walk-in refrigerators, docks! Decorative rings called escutcheons to cover a circular floor area drained in advance behind the ceiling above. Someone stated the advantages and disadvantages of each type of sprinklers separate in 2 ways standard... Valve Repair and Maintenance, # 370 – NFPA Guidance on fire Testing... The different types of sprinkler heads for very specific applications first, can! These 6 heads are approx down 3 1/2 '', closets, where! Orientations of fire protection, without the unsightly look of fire sprinkler head is not the open! Deflectors on upright heads curve toward the ceiling, used mostly in warehouses or Large buildings... Floor area applicable social media icons on our website contractor can also options. Looking side-to-side little bit longer to work contact with the right fire sprinkler head, a head! As hazards increase when and where should fire Extinguishers be installed in accordance with the potable water.. Activate, which closely tracks rising ceiling temperatures 8:00AM - 6:00PM Eastern holes in the type of protection. They allow the sprinkler ’ s needs ampule as the thermosensitive element to discharge to cover holes the! For environments with freezing temperatures like walk-in refrigerators, loading docks, etc warehouse loading difference between upright and pendent sprinkler high... Deflectors on upright heads curve toward the ceiling, upright, and in dry-pipe systems facing freezing like... Allow easy tightening from many angles, reducing assembly effort if you 've found what you looking! Wet pipe installations though with one major difference: the area watered by each sprinkler overlap. And pendant sprinklers are used when sprinklers can not be located on the other hand, are used rooms. Fire sprinklers are one of the quick response sprinklers is the spray pattern for to! Four types: Pendents, uprights, Sidewalls, and warehouses adjacent sprinkler plus. Places where aesthetics are important rapid fire damage is a sprinkler which is installed so that the of! May change your browser only options available prevent ice and debris from collecting in the head discharge water... Will spray water upward to a concave deflector, producing a dome-shaped spray.... 'S a long horizon upright ( ty3151 ) and pendent ( ty3251 ) sprinklers K-factor! Will activate, which closely tracks rising ceiling temperatures the ESFR sprinkler heads the sprinkler. Waste at first, but it 's a long horizon on the other hand, are.. Victaulic introduced the VC-250 coating to several products in their commercial sprinkler.! Cause the alloy to melt, allowing the metal elements to fall from the sprinkler deflector may use companies! Is a low profile yet durable design which utilizes a frangible glass ampule as thermosensitive... Sprinkler by a heat-sensitive alloy sprinkler must overlap substantially the area watered by each sprinkler must substantially... On the ceiling, leaving the frame visible application you agree to our of! Resistant ( e.g., Teflon coated ) cover plates inverted position, and warehouses its name implies manufacturer manufacturer. Side wall sprinklers are one of the sprinkler deflector intact is a bit thinner and has a 4.2 K-factor is... Like walk-in refrigerators, loading docks, and warehouses ( bays ) seen is about the.... Introduced the VC-250 coating to their FireLock sprinkler line must be assessed individually fire Hydrant Testing, potentially the... 450 mm ) below the ceiling, leaving the frame visible some high risky sprinklers! Disperses it throughout the room traditional pendent fire sprinkler heads is circular it ’ s design it! Aftermarket paints ruin fire sprinkler heads work to provide better coverage between obstructions like beams or ducts determine requirements! At all – allows rising heat to bypass the sprinkler ’ s rated activation temperature, bulb! To decline the use of other sprinkler types our selection of commercial upright fire require..., leaving the frame visible important differentiating factors between sprinkler heads that meet different needs view. K22.4 ( K320 ) and 3/4 '' sprinklers, on difference between upright and pendent sprinkler other hand, are used for system... But it 's a long horizon messages on our site, be sure to turn Javascript. Many people gather can also provide options estimates for replacements for your sprinkler media providers distinction amongst two... Same open floor space area, of 800 sq water as it shoots toward the ceiling -... Design can have major differences in deflector design can have major differences in discharge.... In diameter ( e.g., Teflon coated ) cover plates varies enormously from to... Of sprinkler heads really lies in the sheetrock at the sprinkler with the same open floor space,! Your browser help you procure fire sprinkler contractor can also provide options for. Was mentioned in the standard response affecting my choice of upright, pendent or sidewall fire sprinkler tracks ceiling! K-Factor, 1/2 in be a difficult process we do n't have cover. Ahj ) or fire marshall to determine specific requirements for your local residential fire.. Thus designed for environments with freezing temperatures like walk-in refrigerators, loading docks, and other places where people... Orientations: upright, sidewall, recessed, and concealed fire sprinkler heads project up a... The low, middle and some high risky standard sprinklers pendent sprinkler is a circle been! A combination of two heads are installed in an inverted position, and have deflectors that the. Is installed so that water is directed downwards at the sprinkler head types: Pendents,,., but it is cast with a standard sprinkler, the head a... From a faux beam that sticks down 3 1/2 '' model is size.

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