Hi there, In today’s post we’re going to reveal the best nitrogen flow indicator for this year based on a lot of factors and the in-depth research we did on the market.

If you are in a hurry then here is a quick summary:

Our Picks For nitrogen flow indicator [Comparison Table & Our Score]

Top 10 Best nitrogen flow indicator [Products Features Revealed!]

Cool! Now that you have an idea about the products we are going to reveal in this blog post. let’s take a closer look at each pick, its specifications, and its features.

QWORK 1/4” Flare Inlet and Outlet Connection Nitrogen Flow Indicator

$29.97  in stock
Amazon.com
as of August 2, 2022 1:30 am

Features

  • Function - You can clearly know the flow of nitrogen gas, and control the flow through copper tubing during brazing.
  • Quickly Know the Condition - With a float ball in the flow indicator, it can help you to ensure if the nitrogen is flowing while brazing.
  • Precision Control - This indicator can control the gas flow and the accuracy of flow can reach 3-4 CFH.
  • Connection - Our indicator has the 1/4” Female Flare Inlet Connection and 1/4” Male Flare Outlet Connection, it can use with nitrogen purging application equipped with a 7/16" - 20 male flare.
  • 100% Satisfied Service - Enjoy a smooth & frustration free experience with our 100% Satisfied Service in one Month!

Uniweld UNF3 Nitrogen Flow Indicator with 1/4-Inch Female Flare Inlet Connection and 1/4-Inch Male Flare Outlet Connection

$65.36
$44.94
 in stock
14 new from $44.94
Free shipping
Amazon.com
as of August 2, 2022 1:30 am

Features

  • Nitrogen Flow Indicator, 1/4 Inch Female Flare Inlet Connection, 1/4 Inch Male Flare Outlet Connection
  • Provides extremely low pressure (3 to 4 CFH) precision gas flow control for nitrogen purging applications
  • Nitrogen Flow Indicator uses a float ball to visually confirm the nitrogen is flowing during the brazing of copper tubing in HVACR systems
  • Maximum Inlet Pressure 50 PSI
  • Over Pressure Safety Relief Rupture Disk

Uniweld Products UNF3 Uni-Weld Nitrogen Flow Indicator 50 psi

$66.83  in stock
9 new from $63.64
Amazon.com
as of August 2, 2022 1:30 am

Features

  • 1/4 inch
  • 1/4 inch
  • Sold in each
  • Country of origin: United States

Victor Technologies 0781-2743 HRF-1425-580 Light Duty Flow Meter Cylinder Nitrogen/Argon/Helium Regulator with 10' Hose, 50-38 SCFH Flow Range, 25 psig Outlet Pressure

$204.00
$133.74
 in stock
10 new from $133.74
Amazon.com
as of August 2, 2022 1:30 am

Features

  • Gas service: argon, argon/CO2 mix
  • Up to 50 cfh for argon and up to 38 cfh for CO2 delivery
  • Cga 580 connection: Nitrogen, argon, helium
  • Maximum inlet: 3000 psig, outlet pressure: preset HRF 1425- 25 psig
  • Outlet connection: 5/8 inch

CGOLDENWALL Handheld Ultrasonic Flowmeter Clamp on Flow Meter Portable Liquid Flow Meter with  S1+M2 Transducers for Copper/PVC Pipe DN15-700mm 1/2-28" ((Old or New Panel))

$569.00  in stock
1 used from $429.00
Free shipping
Amazon.com
as of August 2, 2022 1:30 am

Features

  • S1+M2 TRANSDUCERS: Easy to setup the transducers on the pipe and enter the required information in the control unit.No need to destroy the pipeline and stop production during the measurement process.S1(DN15-100mm, 1/2-4"), M2(DN50-700mm, 2-28")
  • DIGITAL DISPLAY: The Ultrasonic Flowmeter can display cumulative flow, instantaneous flow, velocity, and working status at the same time. Accuracy: 1%, linearity: 0.50%, repeatability: 0.20% accuracy: ±1%, calibration certs included. Note: In order to provide a better user experience, we upgraded the product label. The product you received may be the old version or the new version
  • DATA STORAGE AND OUTPUT: This Ultrasonic Flow Meter has a built-in data logger, which can store up to 2000 lines of measurement data. And you can download the logged data onto PC through the RS232 interface.
  • LONG STAND TIME: This Flow Meter is equipped with a built-in high-capacity rechargeable battery, which can support the flowmeter to work continuously for up to 12 hours.
  • WIDE APPLICATION: Come with S1+M2 transducers, and the measuring range is DN15-700mm, 1/2-28". It can work on Copper pipe, PVC pipe to detect the flow of liquids such as sea water, alcohol, river water, industrial sewage, lubricating oil, diesel, fuel oil, etc.Not suitable for rubber pipe, SAE30 hydraulic fluid.

Uniweld 40002 Nitrogen Sludge Sucker and Blaster Kit with Metal Carrying Stand for 40 Cubic Feet Nitrogen Tank

$275.00  in stock
Amazon.com
as of August 2, 2022 1:30 am

Features

  • The Nitrogen Sludge Sucker and Blaster Kits are specifically designed for multiple uses in the HVAC/R industry ((Tank Not Included – Sold Separately)
  • Nitrogen Regulator with protective rubber gauge boots - Maximum Delivery Pressure up to 175 PSI
  • Purging copper lines with low pressure nitrogen displaces the oxygen, preventing oxidation and the resulting scale
  • Pressure testing a system for leaks prior to evacuating and charging will save time and money
  • Cleaning a condensate drain line is easy with a Sludge Sucker or Sludge Blaster

Western Enterprises VN-500 Flowmeter Nitrogen Purging Regulator w/500 PSI Test Pressure, Brass

$157.87  in stock
14 new from $148.34
2 used from $151.56
Free shipping
Amazon.com
as of August 2, 2022 1:30 am

Features

  • Easy-to-read nitrogen cylinder Content gauge with preset flow rates
  • Heavy-duty brass body designed for rugged field use
  • Hybrid design - regulator and flowmeter all in one
  • No adaptors needed

Elitech VG-760 Digital Vacuum Gauge Micron Gauge for HVAC Micron Meter Refrigerant Vacuum Meter Digital Micron Leakage Test 1/4'' SAE

$189.99  in stock
2 new from $189.99
Free shipping
Amazon.com
as of August 2, 2022 1:30 am

Features

  • WIDE MEASUREMENT RANGE & HIGH ACCURACY: Used to test system leak and discern vacuum pump quality of the evacuation in an HVAC and refrigeration system; accurate measurements from 19,000 Microns (atmosphere) to 0 Micron. Accuracy: ±10% or ±10 Micron
  • MULTIFUNCTIONAL DESIGN: Settable high/low pressure alarms, notifications will be sent when readings go beyond the predetermined value.
  • EIGHT MEASUREMENT UNITS: Easy conversion between 8 measurement units: inHg, Torr, psi, mbar, mTorr, Pa, micron, Kpa.
  • HIGHER PROTECTION LEVEL(IP65 Rated): ensure a deep vacuum throughout the entire system and prevent the mist when the refrigerant is caused by refrigerant bottle blasting.
  • Long battery life: powered by 3AA batteries, up to working 300 hours. 24/7 US Technician Support via Email and Phone.

Oilfree Vacuum Pump

$240.00  in stock
Amazon.com
as of August 2, 2022 1:30 am

Features

  • 22L/min(0.78CFM), 675mmHg(85torr,26.6"Hg, 90kPa))

Yellow Jacket 29806 Black 3 Pack of 72" 1/4 Diameter (RYB) Compact Valve End Hose

$134.00  in stock
Amazon.com
as of August 2, 2022 1:30 am

Features

Part Number29806
Model29806
Size1/4_inches