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Fluid Indication and Control |
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| Rotameter |
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ROTAMETER
(Variable Area Meters) are named after ROTA, one
of the European inventors of this flow principle
in the beginning of the century. ROTA invented
the rotating float, which is self-guiding and
has less friction in the pipe so that a more precise
measurement is possible. Rota Yokogawa is one
of the main suppliers of ROTAMETER in Europe.
Globally ROTAMETER is available with metering
tubes manufactured from either glass, plastic
or metal. Our ROTAMETERT family includes units
6mm to 125mm line sizes, temperatures from -180
to +400ºC, flange ratings to 1500#, ±1.6%
accuracy class and turndown's of 10:1. ROTAMETER
offer a very low cost, easy to install solution
to flow measurement. Once considered as only a
water or air flowmeter, ROTAMETE is now world
proven in applications such as industrial gases,
viscous/non conductive chemicals, steam and fuels.
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| Featured
Rotameter Suppliers |
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Instrumart is a leading supplier of industrial instruments located just outside Burlington, Vermont. Instrumart is the operating name for Total Temperature Instrumentation, Inc. ("TTI"). Instrumart is a global company with local roots. We are a member of the Lake Champlain Regional Chamber of Commerce and Vermont Businesses for Social Responsibility. We were recently named to Inc. Magazine's Inc. 5000 list of the fastest-growing private companies in the United States for the second year in a row. Vermont Business Magazine has named Instrumart one of the Best Places to Work in Vermont and one of Vermont's Top 5 Wholesale Businesses.
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Brooks® Rotameter
Brooks offers a wide range of glass and metal tube variable area flow meters with a choice of application-specific materials and connections, and accuracy of +/- 2% of full scale (standard) or 1% (optional). The Brooks GT1000 (pictured) includes a precision-bore ribbed borosilicate glass metering tube which is removable for cleaning and maintenance. The MT3809 is a rugged metal tube meter perfect for high temperature and pressure applications with optional 4-20 mA and HART programmable transmitter and pulse output for totalization. Many other models.
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Flow Network Plastic VKP flowmeters and switches are used wherever inexpensive flow measurement of liquids (eg. domestic services, cooling water, lubrication systems, solar heating, etc.) is to be performed. The VKP series offers a compact design with wetted parts of Polysulfone, PVDF and Stainless Steel. Its low cost and features make the VKP series an ideal choice for OEM applications. Flow is read at the upper edge of the float.
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Cole-Parmer
offer an extensive range of rotameters for both liquid and gas applications. Cole-Parmer’s
variable area flow meters are simple to install
and offer cost effective solutions for applications
requiring visual indication of flow or flow rate.
Cole-Parmer offers rotatmeters for
measuring liquids flow from 0.0002 ml/min to over
400 LPM and for gases from 0.02 ml/min to over
700 m3/hour.
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Aalborg
Instruments & Controls, Inc.
Stainless Industrial Rotameter
Our model M meters are constructed of stainless
steel. Ideal for industrial applications with
flow rates up to 116 GPM (water) and 250 SCFM
(air).
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Vögtlin Instruments AG offers high-quality
devices and solutions for your flow measurement
and control tasks: Reliable & precise mass
flow meters & controllers for gases (Accuracy
+/- 0,3% of full scale and +/- 0,5% of reading,
turndown ratio 1 : 100) – Modular &
customizable variable area flowmeters for liquids
and gases – High precision needle valves
for fine dosages. Profit from our many years of
experience as developers, manufacturers and service
partners.
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| Featured
Rotameter Products |
| Instrumart's Rotameter |
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The AW-Lake Company ClearView rotameter provide an economical way to monitor municipal pressure water flows, observe case drain flows and verify pump outputs.
More Info>> |
The Hedland SE Series polysulfone rotameter are rugged yet low cost. These industrial quality variable area flow meters can be used to automatically trigger an alarm/control circuit if the flow exceeds or drops below preset limits.
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The stainless steel King Instrument 7430 series rotameter utilizes a float and tapered tube design. As a result, the King Instrument 7430 series rotameter has longer and more linear scales, better pointer stability, and 40% greater accuracy than competitively priced products.
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The Hedland TB Series flow transmitter/ flow switch combines the rugged, proven technology of a direct reading, piston-type, variable area flow meter with a linear potentiometer.
More Info>> |
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| Brooks Armored Rotameters
(Variable Area) |
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Brooks Instrument Metal
Tube Rotameters are ideal for high pressure and demanding
flow applications where safety is a concern. Intrinsically
safe or explosion-proof housings available for most
models.
- Flanged and threaded connection to match your existing
system connections
- Integral needle valves for process control
- Many corrosion resistant materials available for
metering caustic fluids
- HART and 4-20 mA outputs allow for remote monitoring
in hazardous environments.
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| Flow Network VKP - Plastic Flowmeter & Switch |
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Special Features:
- LOW COST SOLUTION
- ±8% Full Scale Accuracy
- ±1% Full Scale Repeatability
- NPT Fittings
- Polysulfone Construction
- Compact Size
- Direct Reading Scale for Oil and Water
- Optional Adjustable Setpoint
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| Cole-parmer : 303 SS
Rotameters for Water |
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303 SS Rotameters for Water withstand
pressures to 6000 psi. Wetted parts include 303 SS, and
a PTFE-coated alnico magnet.
Specifications
| Media |
water |
| Flow rate (water) ; |
0.05 to 0.5GPM; 0.2 to 1.8 LPM |
| Accuracy |
±2% full-scale |
| Repeatability |
±1.0% |
| Material (Housing) |
304 Stainless Steel |
| Max operating temperature |
240°F (115°C) |
| Max pressure |
6000 psi |
| Connections |
1/4" NPT(F) |
| Dimensions |
1-3/4 W x 4-13/16 H x 1-15/16 D |
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| Aalborg model F single
flow tube all PTFE/PCTFE in line rotameter |
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- chemically inert wetted components
- removable protective shield
- individually leak tested
- vertical in-line
- flow ranges from 125 mLPM to 45 LPM water
Made entirely of PTFE, PFA, and PCTFE, the model F
flow meter is excellent for high-purity applications
or use with corrosive liquids.
Units are available with a standard valve to monitor
and control flow or without a valve to just monitor
flow.
Flow meters are individually tested on a Mass Spectrometer
Leak Detector and certified to a leak integrity rating
of 1 X 10-7 sccs Helium or better.
More>> |
| Vögtlin Instruments
: Rotameter |
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The Q-Flow is a new, modern rotameter for gases and liquids built on the variable
area, tube-and-float principle. Designed in close collaboration
with users, it combines our long experience with practical
shop-floor requirements
- Compact and slender Design Rotameter
- Measuring module: plugged in from the front
- mm scale, product scale, user-defined scale
- Float: spherical shape affords stability
- Seals: FKM as standard, EPDM or PTFE/Chemraz
- Valve: close-control, 15-turn microvalve
- Valve practically hysteresis-free
- Customized versions
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Types of Flowmeters |
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