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Economical, OEM Style Acrylic Rotameters

OEM Style Acrylic Variable Area Flow Meters


Article# FL4212-V

Remises de volume disponibles
Calendrier de remise sur volume
Quantité Prix unitaire
1-9 C$116.00
10-24 C$110.20
25-49 C$107.88
50-99 C$103.24
100-199 C$100.92
200+ C$98.60

En stock

Délai de livraison (si pas en stock): 3 semaines
OEM Style Acrylic Variable Area Flow Meters FL4212-V FL4212-V
  • 50 mm, 75 mm, 127 mm, and 250 mm (1.97", 2.96", 5" and 9.85") Scale Lengths
  • Floats Are Rod-Guided in Most Models
  • Metering Valves Available
  • Rear Inserts Provided for Panel Mounting
  • Direct Reading Scales

FL4212-V Options de modèles

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Media type
Gas Flow Range
Liquid Flow Range
Process Connection Type
Process Connection Size
Wetted Materials
Max Operating Pressure
Max Process Temperature
Valve Included

FL4000 OEM-style acrylic Variable Area Flow Meters are precisely machined from rugged, solid acrylic blocks for superb durability. They are available in 50 mm, 75 mm, 127 mm, and 250 mm scale lengths (1.97, 2.96, 5 and 9.85') to provide desired accuracies from 2% to 6%. Designed for front-panel mounting, the rear ports extend through the panel for easy hookup. Mounting threads are also provided. Units are available with and without valves.

Construction: Acrylic tube, 316 SS float and guide rod (no guide rod for FL4211 through FL4215 air meters), PVC end fittings (brass on FL4200 Series), EPR O-rings, optional brass valve
Max Pressure/Temperature:
   Water Ranges: 125 psig @ 21°C (70°F); 54°C (130°F) at 0 psig
   Air ranges: 100 psig @ 21°C (70°F); 38°C (100°F) @ 0 psi
Full Scale Accuracy/Repeatability:
  FL4200: 6/2%
  FL4300 and FL4400: 4/1%
  FL4500: 3-1/2%
  FL4600: 2-1/2%
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Rated 4 out of 5 by from greetings earthling the flowmeter works well for our application and is of sturdy construction. the needle valve gives fine control of flowrate.
Date published: 2016-02-09
Rated 5 out of 5 by from A+++ quality I have a lot of flow meters including chinese and american models, the quality of Omega is greater than all of them. Even the box of the product is more atractive and have a very good presentation.
Date published: 2017-05-23
Rated 5 out of 5 by from Simple and bullet proof We use these in several places and they work well.
Date published: 2016-07-21
Rated 4 out of 5 by from As Advertised Simple yet effective. A value when measurement uncertainty is not important.
Date published: 2016-05-17
Rated 4 out of 5 by from rotametro I wil happy becouse excelent product and couality ty
Date published: 2016-03-07
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Does the FL4513-V flowmeter have 1/4" NPT female AND 1/2" NPT male Input connections. The website shows the 1/4" NPT F. Most of these style flowmeters have a smaller Female thread on the inside and a larger Male thread on the outside of the Input Ports.

Asked by: GaryT
Thank you for your inquiry! The FL4513-V will has both 1/4" FNPT and 1/2" male NPT connection sizes.
Answered by: Application Engineer JM
Date published: 2021-12-13

What is the best rotometer to use for ozone gas

Asked by: Rabbit
Thank you for your inquiry. In order to select the best meter for your application we will need your complete application conditions. Please send your process conditions (ie flow rate range, temperature, pressure and media type) to flow@omega.com and our Flow Engineering team can help you select a product for your application.
Answered by: AS Engineer
Date published: 2019-10-29
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