Exposed Double Clapper FDC "Auto Sprinkler" | 4" NPT x 2 1/2" NST x 2 1/2" NST Straight Chrome
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|FDC Type||Finish||Branding||Swivel Hose Connection(s)|
|Straight Exposed Double-Clapper||Cast Chrome||"Auto Sprinkler"||2 1/2" (63.5 mm) NST|
|Outlet(s)||Dimensions||Approvals & Listings||Optional Accessories|
|4" (101.6 mm) NPT||7.2" (182.88 mm) Deep x 10.8" (274.32 mm) Wide||UL, ULC, FM||Chrome accessories package contains one chrome "auto spkr" identification plate and two chrome plugs. Aluminum accessories package contains two aluminum breakcaps and one aluminum "auto spkr" identification plate.|
|SDA2254CN||Usually Ships Within 48 Hours|
Straight Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Chrome "Auto Sprinkler" Fire Department Connection (FDC) saves lives and property when closed valves, natural disasters, pressure loss, or other problems interrupt the supply of water to fire sprinkler and standpipe systems. With a double-clapper design, cast chrome finish, and solid brass components, this UL & FM approved FDC supports firefighting efforts by providing local fire officials with inlets used to pump water to fire sprinklers when primary water sources, such as a water supply tank, are exhausted.
Add-on parts for this exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Chrome Plated FDC are available in the drop-down menu above. The first option is a 4" diameter (101.6 mm) "Auto Spkr" chrome-plated brass identification plate and two 2 1/2" chrome-plated brass plugs and chain. The second option is a 4" "Auto Spkr" aluminum identification plate with two 2 1/2" red aluminum breakable caps. Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Chrome FDC inlet swivels utilize National Standard Thread (NST) and connect easily to fire hose connections throughout much of the United States.
The National Pipe Thread (NPT) outlet installs to a wide range of plumbing and pipe fittings to streamline replacement of a broken, corroded, or unserviceable FDC. Two independent, self-closing brass clapper valves prevent backflow while allowing water to flow in from both inlets simultaneously. This FDC is 7.2" (182.88 mm) deep from outlet edge to swivel tip and 10.8" (274.32 mm) at its widest point with swivels installed.
This Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Chrome "Auto Sprinkler" FDC is ready for use with sprinkler systems in schools, high-rise buildings, apartment complexes, manufacturing facilities, and a wide range of other NFPA-compliant buildings. Each 2 1/2" (63.5 mm) inlet can supply up to 250 gallons per minute (GPM), allowing this FDC to deliver a total supply of up to 500 GPM.
When installed with optional Auto Spkr/Standpipe signage, this FDC is suitably marked for use as an auxiliary connection for sprinkler and standpipe systems designed and installed in accordance with NFPA 13 and NFPA 14.
Buildings requiring flows greater than 500 gallons per minute in accordance with NFPA 13 and NFPA 14 will need additional inlets, provided by additional single or double-inlet FDCs, or by installing a three-way, four-way, or six-way FDC.
|FDC Branding||Auto Sprinkler|
|FDC Clapper Style||Double|
|Number of FDC Inlets||2|
|FDC Inlet Size||2.5"|
|FDC Inlet Threads||NST|
|FDC Outlet Size||4"|
|FDC Outlet Type||Threaded|
|FDC Outlet Thread||NPT|