NH coupling Fire hose coupling with NST/NPSH thread, PIN LUG type or Rocker Lug type. We can supply mainly 11/2" and 2" and 21/2" size.

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NH COUPLING

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INTRODUCTION
NH coupling are a quick connect coupling that is located on the end of a hose. It couples, or connects,
with a hose, tap, or water source, and is typically made of brass or aluminum. NH stands for National
Hose and NST stands for National Standard Thread. This is often referred to as “fire hose thread”
because fire departments use it the most. It’s popular on many fire hydrants and accessories. The Size is
mainly 1.1/2” and 2.1/2”. The NH coupling are according to US NFPA Standard.
Material: Aluminum Alloy and Brass.
Size: 1.1/2”, 2” and 2.1/2”
Types: Pin Lug Types, Rocker Lug Type,
Pressure: Maximum working pressure: 16bar/ 232psi

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Pin Lug Type NH Coupling
Material: Aluminum and Brass
Size: 1.1/2”, 2”, 2.1/2”,3” and 4”.
Two Barb Pin Lug

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Multi-Barb Pin Lug
DN(A) NH Thread Hose ID(B)
1.1/2” 1.1/2” 38
2.1/2” 2.1/2” 38
2.1/2” 2.1/2” 52
2.1/2” 2.1/2” 65

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Rocker Lug Type NH Coupling
Material: Aluminum and Brass
Size: Mainly 1.1/2” and 2.1/2”.
DN Size Bowl
DN 40 11/2” 1.11/16”
DN 40 11/2” 1.3/4”
DN 40 1.1/2” 1.13/16”
DN 40 1.1/2” 1.15/16”
DN 65 2.1/2” 2.11/16”
DN 65 2.1/2” 2.3/4”
DN 65 2.1/2” 2.13/16”
DN 65 2.1/2” 2.15/16”
DN 65 2.1/2” 3”

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Brass/AL Cap with Chain-Pin Lug
Material: Aluminum and Brass
SIze:1.1/2” ,2” and 2.1/2”.
Thread: NH/NST, NPSH, BSP
Brass caps are for protection of fire hoses, pipes or valve fittings. All caps come with a gasket installed.
Item Size Thread
DN 40 11/2” NH/NST
DN 40 11/2” NPSH
DN 40 11/2” BSP
DN 50 2” NH/NST
DN 50 2” NPSH
DN 50 2” BSP
DN 65 2.1.2” NH/NST
DN 65 2.1.2” NPSH
DN 65 2.1/2” BSP

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Cap with Chain-Rocker Lug
Material: Aluminum, Plastic and Brass
Item Size Thread
DN 40 11/2” NH/NST
DN 40 11/2” NPSH
DN 65 2.1.2” NH/NST
DN 65 2.1.2” NPSH

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Brass/AL plug with chain---Pin Lug
Item Size Thread
DN 40 11/2” NH/NST
DN 65 2.1.2” NH/NST
Brass/AL Female X Male Rigid with Pin Lug/Rocker Lug Adapter
Female Size Male Size Female Thread Male Thread
2” 1.1/2” BSP NH/NST
2.1.2” 1.1.2” NH/NST NH/NST

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Brass/AL Rigid Male NPT X Swivel Female NH Adapter
Female Size Male Size Female Thread Male Thread
2.1.2” 2.1.2” NH/NST NPT
Brass/AL Rigid Female NPT X Swivel Female NH Adapter-Pin Lug
Swivel Female Size Female Size Swivel Female Thread Fmale Thread
11/2” 11/2” NH/NST NPT
2.1.2” 2.1.2” NH/NST NPT

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Brass/AL Double Female Swivel Adapter-Pin Lug
Female Size Female Size Thread Thread
11/2” 11/2” NH/NST NH/NST
11/2” 11/2” NPSH NPSH
11/2” 11/2” BSP BSP
2” 2” NH/NST NH/NST
2” 2” NPSH NPSH
2” 2” BSP BSP
2.1.2” 2.1.2” NH/NST NH/NST
2.1.2” 2.1.2” NPSH NPSH
2.1.2” 2.1.2” BSP BSP

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Brass/AL Double Male Adapter-Rocker Lug
Male Size Male Size Thread Thread
11/2” 11/2” NH/NST NH/NST
21/2” 11/2” NH/NST NH/NST
21/2” 21/2” NH/NST NH/NST
Brass/AL Plug with 1/8” NPT hole-Rocker Lug