Exposed Double Clapper FDC "Auto Spkr" | 4" NPT x 2 1/2" NST x 2 1/2" NST Angled Brass

SKU
ADA2254BN
Angled Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Brass "Auto Spkr" Fire Department Connection (FDC) allows firefighters to supply water-based fire protection systems during an emergency. This UL & FM approved double-clapper FDC features two National Standard Thread (NST) inlets capable of flows up to 250 gallons per minute and may be ordered with optional freestanding tube, plugs, breakcaps, and signage.
$205.95
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FDC TypeFinishBrandingSwivel Hose Connection(s)
Angled Exposed Double-Clapper Cast Brass "Auto Spkr" 2 1/2" (63.5 mm) NST
Outlet(s)DimensionsApprovals & ListingsOptional Accessories
4" (101.6 mm) NPT 5.18" (131.57 mm) H x 11.08" (281.43 mm) W x 7.09" (180.09 mm) Deep UL, ULC, FM Brass accessories package contains one brass "auto spkr" identification plate and two brass plugs. Aluminum accessories package contains two aluminum breakcaps and one aluminum "auto spkr" identification plate.
SKUAvailability
ADA2254BN Typically ships within 5-10 Business Days. If you have an urgent need, please call 888-361-6662 to check availability.

Product Description

Angled Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Brass "Auto Spkr" 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 brass 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 or in-building hose connections 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 Cast Brass FDC are available in the drop-down menu above. First option is a 4" diameter (101.6 mm) "Auto Spkr" brass identification plate and two 2 1/2" brass plugs and chain. Second option is a 4" "Auto Spkr" aluminum identification plate with two 2 1/2" aluminum breakable caps. This product may be installed as a freestanding FDC when purchased with the optional 4" (10.2 cm) diameter by 18" (45.7 cm) high-polish brass sleeve.

Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Brass 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. This FDC is 11.08" (281.43 mm) wide, 7.09" (180.09 mm) deep, and 5.18" (131.57 mm) tall 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 Brass "Auto Spkr" 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.

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.

Technical Documents

Click here to view the data sheet for this Angled Exposed 4" (101.6 mm) NPT x 2 1/2" (63.5 mm) NST x 2 1/2" (63.5 mm) NST Cast Brass "Auto Spkr" Fire Department Connection (FDC).

More Information
FDC Type Exposed
FDC Orientation Angled
Finish Brass
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
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