Brass U.S. Coast Guard 1 1/2'' Shipboard Vari-Nozzle with Pistol Grip (NH)

Item Number: 3020
  • Brass U.S. Coast Guard 1 1/2'' Shipboard Vari-Nozzle with Pistol Grip (NH)
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  • Made In USA
  • Weight: 8.0 lb
  • Material: Brass
  • Handle Material: Zytel (nylon)
  • Size: 1 1/2 inches
  • Threads: NH / NST
  • This nozzle will only connect to a 1 1/2 inch NH / NST hose
  • A combination fog and straight stream nozzle
  • Flow: 95 GPM at 100 PSI
  • Length: 8 5/8 inches
  • Width: 4 1/4 inches
  • Height: 10 1/4 inches
  • Style 3020

Description

The Brass U.S. Coast Guard 1 1/2'' Shipboard Vari-Nozzle with Pistol Grip is a USCG approved brass fog nozzle (Style 3020, approval number 162.027/14/0) designed for fire suppression on commercial vessels, offshore rigs, and industrial sites. Manufactured in the USA, it features corrosion-resistant brass construction, a nylon pistol grip, and NH/NST threads for connection to 1 1/2 inch hoses. This vari-nozzle delivers a constant flow of 95 GPM at 100 PSI, offering both fog and straight stream patterns, and is suitable for use with water or Aqueous Film Forming Foams.

Help Me Connect

  • The female side of a garden hose will only connect to a male garden hose connection
  • The male side of a garden hose will only connect to a female garden hose connection

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.

Warranty Information

5 Year Warranty
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Additional Details

Akron United States Coast Guard approved 1 1/2 inch brass AFFF pistol grip fog nozzle with NH threads designed to U.S. Coast Guard specification for fighting fires with drafted water. Required equipment for all commercial vessels under U.S. registry. Corrosion resistant brass construction. USCG nozzle designed for maximum efficiency with AFFF (Aqueous Film Forming Foams) or water on shipboard, offshore rigs and industrial applications. US Coast Guard approval number 162.027/14/0. This product in made in the USA.

Instructions and Manual

Download Spec Sheet

Specifications

Garden Hose Thread Male Adapter
  • Outside diameter of a male GHT adapter: 1 1/16 inches (1.06) - 11.5 Threads per inch
  • Garden hose thread is not the same as 3/4 inch pipe thread (NPT)
1" Male Adapter
  • Inside diameter of a male adapter: 1 inch
  • Outside diameter of a male NH / NST adapter: 1 3/8 inches (1.375) - 8 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 1 5/16 inches (1.295) - 11.5 Threads per inch
1 1/2" Male Adapter
  • Inside diameter of a male adapter: 1 1/2 inches
  • Outside diameter of a male NH / NST adapter: 2 inches (1.99) - 9 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 1 7/8 inches (1.87) - 11.5 Threads per inch
1 3/4" Hose Couplings
  • 1 3/4 inch hoses come with 1 1/2 inch couplings
2" Male Adapter
  • Inside diameter of a male adapter: 2 inches
  • Outside diameter of a male NH / NST adapter: 2 1/2 inches (2.51) - 8 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 2 3/8 inches (2.35) - 11.5 Threads per inch

Note: 2 inch NH or NST is very rare. If the outside diameter of male adapter is approximately two inches, you need 1 1/2 inch NH or NST.

2 1/2" Male Adapter
  • Inside diameter of a male adapter: 2 1/2 inches
  • Outside diameter of a male NH / NST adapter: 3 1/16 inches (3.06) - 7.5 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 2 7/8 inches (2.84) - 8 Threads per inch
3" Hose Couplings
  • Most 3 inch hoses come with 2 1/2 inch couplings
  • Inside diameter of a male adapter: 3 inches
  • Outside diameter of a male NH / NST adapter: 3 5/8 inches (3.62) - 6 Threads per inch
  • Outside diameter a male NPSH adapter: 3 1/2 inches (3.47) - 8 Threads per inch
  • Outside diameter a male NPT adapter: 3 3/8 inches (3.38) - 8 Threads per inch
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
4 1/2” Male Adapter
  • Inside diameter of a male adapter: 4 1/2 inches
  • Outside diameter of a male NH / NST adapter: 5 3/4 inches (5.76) - 4 Threads per inch
  • Outside diameter a male NPSH or NPT adapter: 5 inches (4.97) - 8 Threads per inch
5" Male Adapter
  • Inside diameter of a male adapter: 5 inches
  • Outside diameter of a male NH / NST adapter: 6 1/4 inches (6.26) - 4 Threads per inch
  • Outside diameter of a male NPSH adapter: 5 9/16 inches (5.56) - 8 Threads per inch
  • Outside diameter of a male NPT adapter: 5 7/16 inches (5.44) - 8 Threads per inch
6" Male Adapter
  • Inside diameter of a male adapter: 6 inches
  • Outside diameter of a male NH / NST adapter: 7 1/32 inches (7.025) - 4 Threads per inch
  • Outside diameter of a male NPSH adapter: 6 5/8 inches (6.62) - 8 Threads per inch
  • Outside diameter of a male NPT adapter: 6 1/2 inches (6.50) - 8 Threads per inch

FAQs

What thread type does this nozzle use, and what hoses is it compatible with?

This nozzle uses NH/NST threads and is specifically designed to connect only to 1 1/2 inch NH/NST hoses. NH (National Hose) is synonymous with NST (National Standard Thread).

What is the flow rate and maximum operating pressure of this nozzle?

The Style 3020 nozzle provides a constant flow rate of 95 GPM at 100 PSI. Its maximum operating pressure is 200 PSI (14 bar).

What materials are used in the construction of this nozzle?

The nozzle is constructed from corrosion-resistant brass, while the pistol grip and handle are made from Zytel (nylon).

Is this nozzle certified for marine use?

Yes, it is US Coast Guard approved with approval number 162.027/14/0, meeting specifications for fire fighting with drafted water on commercial vessels.

What types of fire suppression agents can be used with this nozzle?

This nozzle is designed for use with fresh or seawater and standard fire fighting foams, including AFFF (Aqueous Film Forming Foams).

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