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FLD-Nitrogen-Series
Nitrogen - Direct Read, Panel Mount Variable Area Flow Meters
Models In Stock
- Panel-mount variable area flow meter calibrated specifically for nitrogen flow
- Precision ±5% FS accuracy with 10:1 turn-down ratio for flexible monitoring
- Wetted parts in 316 SS or aluminum, compatible with pure gas systems
- Rated for up to 200 psi process pressure and industrial use temperature range
FLD-Nitrogen-Series
From
$
399.50
Models In Stock
Product Overview
- Accuracy ± 5 %
- Back Plate 1/8" thick white acrylics
- Float Type Carboloy
- Media Compatibility Inert / non-reactive gases
- Mounting Panel Mount
- Mounting Fittings In Contact With Fluids 316 stainless steel, Aluminum, black anodized
- Number of Tubes 1
- Operating Pressure, Max 200 psi
- Process Connection Size 1/8 in
- Process Connection Type NPT Female
- Process Temperature, Max 121 °C
- Repeatability ± 0.25%
- Scale Direct Read
- Series ID FLD Nitrogen-Series
- Turndown Ratio 10:1
- Valve Type No Valve
The FLD Nitrogen-Series flow meter is engineered for reliable measurement of nitrogen gas within instrumentation panels and process systems. Built with variable area (float-type) technology, it provides a simple direct-read scale while delivering precision and stability in critical gas service environments. The meter is offered with robust materials - such as 316 stainless steel or anodized aluminum wetted parts - to ensure compatibility with pure gases and minimize contamination risks.
With an accuracy of ±5% full scale and a turn-down ratio of 10:1, the FLD Nitrogen-Series delivers flexible measurement capabilities across varying flow rates. Its panel-mounted design simplifies installation, making it ideal for OEMs, gas distribution panels, or process control assemblies where space, clarity and performance matter.
Process ratings up to 200 psi (13.8 bar) and industrial operating temperature range offer confidence in demanding installations. Whether used for purging, control, monitoring or distribution of nitrogen gas, this series delivers a clear window into flow performance with minimal maintenance and maximum reliability.
Show Ratings & Reviews
For the product FLDN3305G, the readings are in STANDARD LPM?
Thank you for your inquiry. The FLDN3305G has a range of up to 120mL/min. The units on the scale will be in mL/min.
Date published: 2020-04-29
Where do I reed the ball on the FLDA3214G-NV flow meter. The top or the center?
Thank you for your inquiry about the rotameters. The Rule of Thumb is to read the flow rate at the highest and widest part of the float and in this case, a sphere will be the center.
Date published: 2023-08-15
Hi. Can I assume that all FLD series meters are volumetric, or is there an option to order them so that they are standardized?
Thank you for your inquiry. They are calibrated at standard conditions, yet, no options for a calibration certificate.
Date published: 2024-10-07
Ordered an FLDA3420C-NV rotameter. Per spec sheet it has a max flow of 10 L/min. But now see the website says the units are SCFM and the readings on the meter go to 10. Which is the correct measurement unit?
Thanks for your question?
The part number, FLDA3420C-NV, rota-meter with no valve has been confirmed to have a max flow capacity of 10 LPM.
Date published: 2019-07-15
Is the connection 1/8 pipe size? or 1/8'' Outer Diameter?
Thank you for your inquiry. The process connection is 1/8 inch NPT
Date published: 2024-11-20
Is there an option available that can be sanitized in place using peroxyacetic acid?
Thank you for your inquiry. If you would like to use the acid in question to clean, please consult a Chemical compatibility handbook to determine if the wetted materials are chemically compatible.
Date published: 2025-01-23
Certificate Traceable to NIST
Thank you for your inquiry for this rotameter. Unfortunately, there is no option for a NIST certificate for this series, you may consider the FL-3600, 3700, 3800, and 3900 series.
Date published: 2021-01-26
How do I read the flow meter / take the reading of FLDA3212ST model? Do I read the float at the top, middle or bottom? The model we got is FLDA3212ST
Thank you for your inquiry about the rotameters. The Rule of Thumb is the highest and widest part of the float.
Date published: 2023-03-11