Welcome to NNI Online website!
Welcome to N & N International. We manufacture, market and sell a wide range of quality Fire Hydrant Testing Products. At NNI, you will receive quality Fire Protection products at competitive prices.
Please contact us for more information including order placement or technical information:

N & N International-NNI ,.
7400 NW 13th Ave, Unit B.
Miami, FL 33147-2520 (USA)
E-mail: sales@nnifire.com
Order Hotline
Phone: 305-687-3330

Fax: 815-366-8272
Note: Some of the links and Data-sheet downloads may not work temporarily due to some technical problems with our web hosting company. Inconvenience caused is regretted.

Fire Hydrant Flow Test Products

Fire Hydrant Swivel Diffuser
$498.95 Each

Fire Hydrant Data Logger

Hydrant Flow Test Pitot Tube

H-FK2 Basic Hydrant Kit

Flow Test
Water Meters

Fire Hydrant Meters & Gate Valves

Fire Hydrant Meters

2½" NST Aluminum Hydrant Gate Valve

Fire Hydrant Test Kits

Some of our customers


Fire Hydrant T Diffuser
Viking 2-1/2" NST Thrust Buster Street T Pitot Diffuser with Psi-GPM Gauge
Model: H-SD250TS

$949.99 Ea
Hydrant Static Cap Gauge
2-1/2" NST Fire Hydrant
Static Cap Gauge with
Bleeder Valve

H-CGB252: $96.99 Each
2-1/2" NST Fire Hydrant
Digital Static Cap Gauge in case

H-CGD250: $235.50 Each
In Line Gauges

2-1/2" NST Fire Hydrant In Line
Pitot Psi- GPM Gauge

$695.99 Each

Hydrant Meter Backflow
Hydrant Backflow Meter with RPZ
2 1/2 in.Female Swivel NST
3" Model FHD30SUS-RP

Fire Department Conncetion Assy
Fire Department Connection FDC Assembly
Concealed Siamese
Flush Fire Department Connection(Siamese)
comlete with Grvd. Body, Wall plate & Plug/chain
4x2.5x2.5 @ $369.00 Ea. set

Gated "Y" LeaderLine Siamese
@ $129.99 Ea.
Hose Valves
UL/FM Hydrant-Gate-Valve
Non Rising Stem
2?"NST(F)Swivel x 2?"NST(M)
@ $169.99 Ea.
2?"NPT(F) x 2?"NST(M)
@ $139.99 Ea.
Fire Hose Valves
1-1/2"NPT x F NPT
2-1/2" FNPT x MNST
Water Gauges
NNI Dual Read PSI/GPM Gauges
0-100 Psi, 0-1680 gpm
or 0-160 Psi, 0-2120 gpm
4" Dial @ $69.49 Ea
NNI Fire Sprinkler Gauge
Air Water -UL/FM - 2022 marking

3½" Dial @ $8.99 Ea

NNI Glycerin Filled with Stainless steel casing Pressure Gauges

2½" Dial @ $23.49 Ea.
Test & Drain

$99.99 Ea.
1-1/4" $139.99 Ea.
*Prices subject to change without notice.*
Copyright 2001 NNI Inc. All rights reserved.