FDC 5" Storz to 4" Female 30 Degree Connection

Item Number: FDC30E5S4N
  • FDC 5" Storz to 4" Female 30 Degree Connection
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NH / NST: The most common thread type in use by fire departments today is NST or National Standard Thread. NST also goes by the initials NH or National Hose. It can even be referred to as NHT or National Hose Thread but NST or NH is more common these days. NH = NST.

  • The female side of a NH / NST coupling will only connect to a male NH / NST connection
  • The male side of a NH / NST coupling will only connect to a female NH / NST connection

NPSH: National Pipe Straight Hose (NPSH) or Iron Pipe Thread (IPT) has the same threads per inch (TPI) as National Pipe Tapered (NPT) but the thread does not taper. NPSH is a straight thread and seals by a gasket in the female coupling which allows for a swivel, just like NH / NST, which make both ideal for hose couplings.

  • The female side of a NPSH coupling will only connect to a male NPT pipe or a male NPSH connection
  • The male side of a NPSH coupling will only connect to a female NPSH connection
  • It will NOT thread into a female NPT pipe. For example, a male NPSH coupling will NOT thread into a female metal or pvc pipe.

NPT: National Pipe Tapered is common in plumbing and some industrial uses. Sometimes referred to as pipe thread because PVC pipe and schedule 40 pipe are typically threaded in NPT. As its name implies this is a tapered thread so that the outside diameter of the male (ODM) gets smaller towards the end of the fitting and the inside diameter of the female narrows with depth. As the two fittings are threaded together the opposite tapers force thread friction and makes the seal without the use of a gasket.

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Additional Details

Storz building large diameter FDC threads on to a standard 4 inch NPT threaded pipe. Features Locking Storz Cap, Screen and Chain. Enables quick connections of large diameter hose by fire department to supplement fire sprinkler or standpipe system.

Features gasketless precision machined metal face storz connection for superior durability and weathering.

Specifications

  • Material: Aluminum
  • Storz: 5 inches (125mm)
  • Female: 4 inch NPT
  • The Female will only Connect to a Male 4 inch NPT
  • Locking Storz
  • Forged Storz Heads with Stainless Steel Locks
  • Metal Faced Storz Surface
  • Cap Features Weep Hole
  • Rated Pressure: 200 PSI
  • Exceeds NFPA 1963 requirements
  • "A" Dimension: 8 3/4 inches

5" (125mm) Storz Adapter

  • Inside Distance Between Lugs - 5 13/16 in (148mm)
  • Number of Lugs - 2

4" Male Adapter

  • Inside diameter of a male adapter: 4 inches
  • Outside diameter of a male NH / NST adapter: 5 inches (5.01) - 4 Threads per inch
  • Outside diameter a male NPSH adapter: 4 1/2 inches (4.47) - 8 Threads per inch

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