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Fire Hydrant Flow Testing
NNI In-line Hydrant Flow Test Gauges with and without Pitot

NNI Pitot Line Gauges used for Fire Pump, Test headers & Hydrant Flow Test applications
NNI 2-1/2" & 1-1/2" Swivel NST In-line Fire Hydrant Gauge without Pitot
In-Line Gauges are used to measure static and residual pressures in Pipes, hydrants, Hose or Nozzles. Female swivel hose NH/ NST thread x Male hose NH/NST thread. Available in 2-1/2" and 1-1/2" Size in Brass Body Material. GAuges are liquid filed.. To measure flow, please see for Models of In-Line Gauges with Pitot.
  • Model SG-9440-***: In-line gauge, 1½" Swivel Female NST x 1½" Male NST with Liquid Filled Pressure Gauge -$158.95 Material: Polished Brass.
  • Model SG-9440C-***: Same as above but the Pressure Gauge with Rubber cover and Gauge filter snubber -$179.95
  • Model SG-9440CS-***: Same as above in a Case -$215.95

  • Model SG-9446-***: In-line gauge, 2½" Swivel Female NST x 2½" Male NST with Liquid Filled Pressure Gauge -$195.95 Material: Polished Chrome on Brass
  • Model SG-9446C-***: Same as above but the Pressure Gauge with Rubber cover and SS-316 Adjustable Gauge snubber- -$229.95

To order please specify the Psi Range for the Gauge.
Pressure ranges avaialable for 1-1/2" Line Gauges: ***060 for 0-60 Psi, ***100 for 0-100Psi, ***160 for 0-160Psi, ***200 for 0-200Psi & ***300 for 0-300Psi)


SG-9440 1-1/2" NST In Line Gauge

SG-9440CS 1-1/2" NST In Line Gauge in a case

SG-9446C 2-1/2" NST Brass In Line Gauge

SG-9446 2-1/2" NST Brass In Line Gauge
2-1/2" & 1-1/2" Swivel NST In-line Encased Gauge without Pitot
Excellent device for determining pressure in standpipe for high rise attack lines.
  • Protected gauge model has “lumi- nescent”, glycerin filled, 0-300 PSI easy to read gauge.
  • Bodies are hard coated anodized 6061-T lightweight aluminum.
  • In-Line Gauge, Length: 7” max., Width: 6.5 max., Weight: 5 lbs. max.
    • Model SG-HLG15NH 1.5″ NH male x 1.5 NH female swivel rocker lug Luminescent Line Gauge with 0-300 psi gauge $259.00
    • Model SG-HLG-15xxx-15xxx 1.5″special order thread x 1.5″special order thread Luminescent Line Gauge w 0-300 psi gauge $420.00
    • Model SG-HLG25NH 2.5″ NH male x 2.5″NH female swivel rocker lug Luminescent Line Gauge with 0-300 psi gauge $269.00
    • Model SG-HLG-25xxx-25xxx 2.5″special order thread x 2.5″ special order thread Luminescent Line Gauge with 0-300 psi gauge $425.00

SG-HLG15NH 1-1/2" NST In Line Gauge

SG-HLG25NH 2-1/2" NST In Line Gauge
NNI In-line Swivel Quick connect Test Gauge 30* Elbow with Pitot & Bleeder
This model is useful to divert the flow in any direction and is useful while Testing Pumps and other flow requirements. Bleeder Valve lets you bleed any air in the stram for an accurate reading.

Available in 30* Polished Chrome Elbow with in-build Brass Pitot positioned in the direction of flow with a quick disconnect Chrome Quick connect fitting. Lightweight to carry around.

Available with choice of 2-1/2" Dial Liquid Filled Gauge or a 4" Dial Dual read PSI/GPM Gauge (Comes with a Rubber boot for Protection) in a carrying case.

With 2-1/2" Dial Liquid Filled Pressure Gauge

SG-P9445PCE-100 2½" NST 30* Elbow Pitot Gauge 100Psi $449.95
SG-P9445PCE-160 2½" NST 30* Elbow Pitot Gauge 160Psi $449.95
SG-P9445PCE-200
2½" NST 30* Elbow Pitot Gauge 200Psi $449.95

SG-P9445PCE-300 2½" NST 30* Elbow Pitot Gauge 300Psi $469.95

With 4" Dial Dual Read Liquid Filled Dual read PSI/GPM Gauge

SG-P9445PCE-060D 2½" NST 30* Elbow Pitot Gauge 060Psi/1300GPM $499.95
SG-P9445PCE-100D 2½" NST 30* Elbow Pitot Gauge 100Psi/1680GPM $499.95
SG-P9445PCE-160D 2½" NST 30* Elbow Pitot Gauge 160Psi/2120GPM $499.95


SG-P9445PCE-160 2-1/2" NST Hydrant 30* Elbow Pitot Gauge
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SG-P9445PCE-160D 2-1/2" NST Hydrant 30* Elbow Pitot Gauge
NNI 1-1/2" NST In-line Swivel Quick connect Test Gauge with Pitot
In-Line Pitot Gauges are used to measure flow pressures in Pipes, hydrants, Hose or Nozzles. To measure flow, it is necessary to measure it right in the middle of direction of flow and Pitot is necessary for an accurate reading. Female swivel hose NH/ NST thread x Male hose NH/NST thread. Available 1-1/2" Size with 2-1/2" Dial Liquid Filled Pressure Gauge. Material: Polished Brass

1-1/2" NH/NST In-line Pitot gauge

  • Model SG-9440CP-***: 1-1/2" NH/NST In-line Pitot gauge, 1½" Swivel Female NST x 1½" Male NST with Rubber covered 2-1/2" Dial Liquid Filled Pressure Gauge and Gauge filter snubber in Polished Brass.-$299.95
  • Model SG-9440CPB-*** Same as above with Bleeder Valve $320.95
  • Model SG-9440CPS-***: SG-9440CP in a Case -$340.00
  • Model SG-9440CPBS-***: SG-9440CPB in a Case -$370.00

To order please specify the Psi Range for the Gauge.
Pressure ranges avaialable for 1-1/2" Line Gauges: ***060 for 0-60 Psi, ***100 for 0-100Psi, ***160 for 0-160Psi, ***200 for 0-200Psi & ***300 for 0-300Psi)

SG-9440CP-1-1/2" NST In Line Gauge

SG-9440CPS 1-1/2" NST In Line Gauge in a case
NNI 2-1/2" NST In-line Swivel Quick connect Test Gauge with Pitot
In-Line Pitot Gauges are used to measure flow pressures in Pipes, hydrants, Fire Pumpos Test headers, Hose or Nozzles. To measure flow, it is necessary to measure it right in the middle of direction of flow and Pitot is necessary for an accurate reading. Female swivel hose NH/ NST thread x Male hose NH/NST thread. Available in 2-1/2" NH/NST Size with 4" Dial read PSI/GPM Liquid Filled Pressure Gauge. Material: Polished Brass and Polish Chrome.

2-1/2" NH/NST In-line Pitot gauge

  • Model SG-9446P-***: 2-1/2" NH/NST In-line Pitot gauge, 2½" Swivel Female NST x 2½" Male NST with Rubber covered 4" Dial dual read PSI/ GPM Liquid Filled Pressure Gauge and Gauge filter snubber all in Brass-$545.50
  • Model SG-9446PS-***: SG-9446P in a Case -$595.50

SG-9446P-2-1/2" NST In Line Gauge

SG-9446PS 2-1/2" NST In Line Gauge in a case

2-1/2" NH/NST In-line Pitot gauge Polished Chrome

  • Model SG-9446PC-***: 2-1/2" NH/NST Polished Chrome In-line Pitot gauge, 2½" Swivel Female NST x 2½" Male NST with Rubber covered 4" Dial dual read PSI/ GPM Liquid Filled Pressure Gauge and Gauge filter snubber Pitot Tube, Snubber and Body are Polished Brass with Chrome finish for durability-$595.50
  • Model SG-9446PCS-***: SG-9446PC in a Case -$645.50

To order please specify the Psi Range for the Gauge.

Pressure ranges avaialable for 2-1/2" Line Gauges: ***060 for 0-60 Psi/1300GPM, ***100 for 0-100Psi/1680GPM , ***160 for 0-160Psi/2120GPM)

SG-9446PC-2-1/2" NST Polish Chrome In Line Gauge
SG-9446PC-2-1/2" NST Polish Chrome In Line Gauge in a case
NNI 2-1/2" NST In-line Swivel Quick connect Test Gauge with Pitot & Bleeder
To perform flow tests on hydrants and Pumps and diffuse stream replacing hand held Pitot. This unit will provide the most accurate flow and pressure reading as this unit is mounted close to the Hydrant opening and the Pitot is right in the center of the stream.

A dual read PSi/GPM Pressure/Flow Gauge with Rubber Boot protective cover is standard. A light unit weighs about 10Lbs in a carrying case.
  • 2-1/2" Female NST/NH swivel connection x Male NST/NH hose thread smooth boreTube Polished Finish Brass Body with Piezo/Pitot assembly for an accurate reading
  • Quick disconnect Pitot assembly with 3 way Brass Bleeder valve.
  • 4" Dial Dual Read PSi- GPM Liquid Filled Gauge is standard (Comes with Rubber Boot for Gauge Protection)
  • Comes in a 11.5" x 7" x 5" Case constructed from heavy gauge polypropylene for dent-proof, rust-proof storage.

SG-P9445PB-060 with 060Psi/1300GPM Gauge $620.99
SG-P9445PB-100
with 100Psi/1680GPM Gauge $620.99
SG-P9445PB-160
with 160Psi/2120GPM Gauge $620.99


SG-9447PB available with diffuser
2-1/2" NH/NST In-line Pitot gauge, 2½" Swivel Female NST x 2½" Male NST with Rubber covered 4" Dial dual read PSI/ GPM Liquid Filled Pressure Gauge, Gauge filter snubber, a Bleeder Valve & Water diffuser/ strainer assembly H-ST25A in Orange or Grey color case.

SG-P9447PB-060 with 60Psi/1300GPM Gauge $769.00
SG-P9447PB-100 with 100Psi/1680GPM Gauge $769.00
SG-P9447PB-160 with 160Psi/2120GPM Gauge $769.00

Data Sheet In-Line Pitot Flow Gauge Kits


SG-P9445PB 2-1/2" NST In-Line Hydrant Flow Pitot Gauge



SG-P9447PB 2-1/2" NST In-Line Pitot Hydrant Flow Gauge with Diffuser in case

NNI In-line Swivel Quick connect Test Gauge with Pitot (Polished Chrome)
To perform flow tests on hydrants and diffuse stream instead of handheld Pitot. Inbuild Pitot Tube.
  • 2-1/2" Female NH/NST hose thread swivel connection, Brass body with Polished Chrome finish with Pitot Tube assembly for an accurate reading
  • Pitot Tube with Quick disconnect and in build Bleeder.
  • 4" Dial Dual Read PSi- GPM Liquid Filled Gauge with Rubber boot.
  • Comes in a Poly 11.5" x 7" x 5" Poly Case constructed from heavy gauge polypropylene for dent-proof, rust-proof storage.
SG-P9445PC-060 2½" NST Hydrant Flow Gauge 060Psi/1300GPM $849.99
SG-P9445PC-100 2½" NST Hydrant Flow Gauge 100Psi/1680GPM $849.99
SG-P9445PC-160
2½" NST Hydrant Flow Gauge 160Psi/2120GPM $849.99

SG-P9445PC 2-1/2" NST Hydrant Flow Gauge
2-1/2" Instantaneous Fire Hydrant Flow Quick connect Test Pitot Gauge
To perform flow tests on hydrants and Pumps and diffuse stream replacing hand held Pitot.This unit will provide the most accurate flow and pressure reading as this unit is mounted close to the Hydrant opening and the Pitot is right in the center of the stram. A dual read PSi/GPM Pressure/Flow Gauge with Rubber Boot protective cover is standard. All in Polished Brass Finish in a carrying case.
  • 2-1/2" Female British BIC Instantaneous x Male Instantaneous Fittings, body is smooth boreTube Polished Finish Brass with Pitot assembly for an accurate reading
  • Quick disconnect Pitot assembly with 3 way Brass Bleeder valve.
  • 4" Dial Dual Read PSi/GPM Liquid Filled Gauge is standard (Comes with Rubber Boot for Protection)
  • Comes in a 15" x 10.5" x 6.5" Case constructed from heavy gauge polypropylene for dent-proof, rust-proof storage.

SG-P9445PBI-*** 2½" Instantaneous Female x Male Hydrant Flow Quick Connect Pitot with Dual Read Test Gauge in case $865.50
***060 for 60 Psi/1300GPM, -***100 for 100Psi/1680GPM, -***160 for 160Psi/2120GPM


Data Sheet In-Line Pitot Flow Gauge

SG-P9445PBI 2-1/2" Instantaneous Hydrant Flow Gauge in case
In-line Swivel Hydrant Flow Quick connect Test Piezo/Pitot Gauge with Gate Valve

To perform flow tests on hydrants and Pumps and diffuse stream with Gate Valve.

  • 2-1/2" Female NST/NH swivel connection x Male NST/NH hose thread smooth boreTube Polished Finish Brass Body with Pitot assembly.
  • Quick disconnect Pitot assembly with 3 way Brass Bleeder valve.
  • 4" Dial Dual Read PSi- GPM Liquid Filled Gauge is standard (Comes with Rubber Boot for Gauge Protection)
  • Comes in a 15" x 10.5" x 6.5" Case constructed from heavy gauge polypropylene for dent-proof, rust-proof storage.

SG-P9445VA-60 2½" NST Hydrant Flow Test Gauge 60Psi/1300GPM with Aluminum Gate Valve - Case included: $729.99
SG-P9445VA-100
2½" NST Hydrant Flow Test Gauge 100Psi/1680GPM with Aluminum Gate Valve - Case included : $729.99
SG-P9445VA-160
2½" NST Hydrant Flow Test Gauge 160Psi/2120GPM with Aluminum Gate Valve - Case included: $729.99

SG-P9445VPB-60 2½" NST Hydrant Flow Test Gauge 60Psi/1300GPM with Polished Brass Gate Valve: - Case included: $759.99
SG-P9445VPB-100
2½" NST Hydrant Flow Test Gauge 100Psi/1680GPM with Polished Brass Gate Valve: - Case included: $759.99
SG-P9445VPB-160
2½" NST Hydrant Flow Test Gauge 160Psi/2120GPM with Polished Brass Gate Valve: - Case included: $759.99


SG-P9445VB-160

To perform flow tests on hydrants and diffuse stream with Gate Valve.

  • 2-1/2" Female NH/NST hose thread swivel connection, Brass body with Polished Chrome finish with Pitot Tube assembly.
  • Bent Pitot Tube with Quick disconnect and in build Bleeder.
  • 4" Dial Dual Read PSi- GPM Liquid Filled Gauge with Rubber boot.
  • Comes in a Poly 15" x 10.5" x 6.5" Poly Case constructed from heavy gauge polypropylene for dent-proof, rust-proof storage.

SG-P9445VPC-60 2½" NST Hydrant Flow Test Gauge 60Psi/1300GPM with Polished Chrome Gate Valve - Case included: $869.99
SG-P9445VPC-100
2½" NST Hydrant Flow Test Gauge 100Psi/1680GPM with Polished Chrome Gate Valve - Case included: $869.99
SG-P9445VPC-160
2½" NST Hydrant Flow Test Gauge 160Psi/2120GPM with Polished Chrome Gate Valve - Case included: $869.99


SG-P9445VPC-100
2-1/2" Fire Hydrant Gate Valves
Straight Pattern with non-rising stem and swivel inlet. 2.5" Female Swivel NST - NH x 2.5" Male NST - NH with Red speed handle and pin lug swivel. 175 Psi working Pressure. Choice of Aluminum or Brads Body.

HGV250 NH-AL: 2-1/2" Aluminum Hydrant Gate Valve with Speed Handle 175Psi - $179.50

HGV250 NH-B: 2-1/2" Brass Hydrant Gate Valve with Speed Handle 175 Psi- $199.95.
HGV250 NH-PB:
2-1/2" Polish Brass Hydrant Gate Valve with Speed Handle 175Psi- $259.95.
HGV250 NH-PC: 2-1/2"
Polish Chrome Hydrant Gate Valve with Speed Handle 175Psi- $299.95

2-1/2" High Pressure Fire Hydrant Gate Valve
2.5” NH female swivel x 2.5” NH male gate valve with a non-rising stem is excellent for hydrant, hose, high rise standpipe, and other water control applications. There is a spinning knob on hand wheel for easy open/close, with a built in slow close safety operation. Lightweight, corrosion resistance, anodized aluminum construction with an anodized aluminum spindle. Also available with special threads. This product features a high 250 PSI pressure rating.
250 PSI working pressure rating
Dimensions: L: 6” W: 5” H: 9”
Weight: 4.5 lbs.

HGV250 NH-HHGV: 2-1/2" High Pressure Aluminum Hydrant Gate Valve with spinning knob on hand wheel Handle 250Psi - $399.95


HGV250 NH-AL

HGV250 NH-B

HGV250 NH-PB

HGV250 NH-PC

HGV250 NH-HHGV
2-1/2" & 1-1/2" Swivel NST In-line Pitotless or with inbuilt Pitot Gauge Kits
This kit contains both 1-1/2" NST and 2-1/2" NST In-Line Gauges in a hard case with a coupling wrench. It is availabe in both with Pitot tube as well as without it.

Model SG-9440CSK:
This Kit has both 2-1/2" & 1-1/2" NST/ NH In Line Gauges without Pitot and with two 2-1/2" dial Gauges with Rubber Boot, Filter snubber and a coupling wrench in a case. Please specify Gauge PSi range while ordering
2-1/2" Liuid Filled Pressure Gauge ranges avaialable: ***060 for 0-60 Psi, ***100 for 0-100Psi, ***160 for 0-160Psi, ***200 for 0-200Psi & ***300 for 0-300Psi)

$499.50

Model SG-9440CSPK:
This Kit has both 2-1/2" & 1-1/2" NST/ NH In Line Pitot Gauges with one 4" Dial Dual Read PSi- GPM Liquid Filled Gauge and one 2-1/2" dial Gauge with Rubber Boot. Filter snubber and a coupling wrench in a case. Please specify Gauge PSi range while ordering
4" Dual Read GPM Liquid Filled Gauge ***060 for 60 Psi/1300GPM, -***100 for 100Psi/1680GPM, -***160 for 160Psi/2120GPM
2-1/2" Liuid Filled Pressure Gauge ranges avaialable: ***060 for 0-60 Psi, ***100 for 0-100Psi, ***160 for 0-160Psi, ***200 for 0-200Psi & ***300 for 0-300Psi)

$799.50

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NNI Pitot Line Gauge used for Hydrant Flow Test applications

E-mail: nni_inc@hotmail.com
Phone: 305-687-3330
Fax: 815-366-8272
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