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Enhanced Flow Meters Feature Direct Reading Scales
Aalborg® is pleased to announce the release of Direct Reading Scales for Models P, S, and T Flow Meters. These flow tube scales are designed exclusively for a specific gas or liquid at a given temperature and pressure valid only for the associated units of flow.
Easy to read flow rates for a specified set of parameters are clearly indicated in specific engineering units, such as mL/min or scfh.
Meters with these scales are more user-friendly. The inconvenience of having to use correlating tables and graphs is eliminated.
NIST traceably calibrated for liquids and gases (argon, carbon dioxide, helium, hydrogen, hydrogen chloride, methane, nitrous oxide, oxygen, and propane), these units are ideal for OEM applications and processing industries. Quick shipping is available.
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The Brooks line of reliable glass tube variable area meters (rotameters) is ideal for any gas and liquid flow measuring applications where viewing the process is important. Features include: Rugged, vented polycarbonate tube enclosure available on most models; tube and float can be re-ranged in-line to minimize process downtime; rotatable connections for easy installation at any angle; packing gland or O-ring sealing to meet piping requirements or customer preference; globally approved for use in hazardous areas. Reliable – only one moving part, and no power required. Low-pressure drop allows for economical pump selection.
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Applications:
· Measuring the volume flow rate of extremely low flow rates of liquids and gases
· Can be used in the chemical industry or in medical or laboratory engineering
Reliability:
Precision, reliability and efficiency are the remarkable features of this device
Technical data:
· Measuring range: 0,1 l/h to 100 l/h water
· With pressure regulator up to 16 bar
· Product temperature: max. 100°C
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The Brooks line of rugged metal tube variable area meters (rotameters) is ideal for high pressure, high temperature and other demanding flow applications where safety is a concern. Features include: globally approved for use in hazardous environments; needle valves for flow control; multiple connection options provide easy installation; many corrosion resistant material options for the metering of aggressive fluids; HART and 4-20mA outputs provide for remote flow monitoring; excellent repeatability provides consistent batch and/or process production. No power required reduces installation cost. Low-pressure drop allows for economical pump selection.
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- Material :316 stainless steel for case (body in stainless steel.)
- Indication:via magnetic coupling (no seals)
- Scales:calibrated in l/h ,m3 /h ,kg/h , %
- Flow rate:water-0.4 l/h up to 3500 l/h, Air-21 NL/h up to 110000 NL/h
- Connection types :BSP , NPT , flange type on request
- Working Temperature:
Combine with electronic parts: -40°C~+150°C
Combine without electronic parts: -40°C~ 180°C
- Working Pressure :Standard 100 kg/cm²
- Connection size :1/4" ~1 1/2"
- Housing protection : IP65
- Accuracy :± 2% FS (± 1.6% FS option)
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- Material : Aluminum alloy case with paint .
- Body wetted parts : in 316SS, PTFE lined, plastic. Others request.
- Indication via magnetic coupling (no sealed)
- Scales calibrated: in l/h ,m3/h ,kg/h , % , etc.
- Flow rates for :
Water : 30 l/h up to 100,000 l/h. (special ranges on request)
Air : 0.1 Nm3/h up to 180Nm3/h. (special ranges on request)
- Connection types :
BSP , NPT , flange type, trip clamp & sanitary(others on request)
- Connection size : 1" ~ 5"
- Mounting Length : 250 mm
- Temperature : 200°C(300°C option)
- Housing protection: IP65, CLASS I, GROUPS B, C &D; CLASS II, GROUPS E, F, & G; NEMA 4, 7, 9
- Accuracy : ±2% FS,(±1.6 F.S Option)
- Max pressure : 40 kg/cm2 (Option: up to 100 kg/cm2)
- Option : Switch available (Micro Switch : 3A/250VAC, 5A/30VDC, 0.4/125VDC)
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- Material : Aluminum alloy painted for case (body in stainless steel.)
- Indication: via magnetic coupling (no seals)
- Scales: calibrated in l/h ,m /h ,kg/h , %
- Flow rate: water-0.4 l/h up to 1000 l/h, Air-21 NL/h up to 30000 NL/h
- Connection types : BSP , NPT , flange type on request
- Working Temperature:
Combine with electronic parts: -40°C~+150°C
Combine without electronic parts: -40°C~ 180°C
- Working Pressure : Standard 100 kg/cm²
- Connection size : 1/4" ~ 3/4"
- Housing protection : IP65
- Accuracy : ± 2% FS (± 1.6% FS option)
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The H 250 flowmeter for liquids and gases is an all-metal flowmeter which operates on the float principle.
Depending on the flowrate, the float will assume a certain vertical position in the tube. The float position is transmitted by a magnetic coupling system to the scale. The flowmeter is designed for installation in a vertical pipe run with flow from bottom to top. The rugged construction of the H 250 variable-area flowmeter makes it particularly suitable for difficult application and environmental conditions. The H 250 flowmeter can be equipped with either the M9 or the M10 indicator.
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Models F65 and F150 Forged Body Flowmeters are variable area flowmeters featuring a compact, one-piece, black anodized forged aluminum body. Both models have a wraparound window for full 180° visibility of the flow tube and are available with aluminum, brass or 316 stainless steel wetted parts.
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The flow monitors resp. flow indicators convince of a great variety of application possibilities and a very wide range of products for digital and continuous flow measurings.
Function possibilities
- Independant in positioning
- Float principle
- Air intake flap measurement principle
- Durable building method
- Visual indication without power supply
- Switching function normaly open and change over contacts
- With process current output 4-20mA
- For liquids water, oil and air
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- Piston type
- Fluid : Water , oil , other liquid available
- Flow range : 15 ~ 24000 l/h (at Water)
- Accuracy : ± 3 % F.S , On request : ± 2.5 % F.S
- Size : 1/4" to 2-1/2"
- Connection Size : NPT , Flange Type on Request
- Working Limits : Temperature : -10°C to +150°C
- Max. Pressure : 30 kg/cm²
- Housing enclosure : IP 65
- Housing material :
NS,CS,MS types-Aluminum Alloy
ES type-316SS
- Lens material:Safety glass
- Mounting:Vertical,horizontal available
- Materials : Brass , 316SS wetted parts
- Alarm switch : Micro switch,inductive switch available
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KOFLOC RK120X
The KOFLOC Multiple-Tube Precision Variable Area Flow Meter with Needle Valves MODEL RK120X SERIES combines 2 to 4 RK1200 precision flow-tubes that make it simpler to measure and control of multiple flow range or gases and avoid clutter. The KOFLOC RK1200 SERIES High Precision Variable Area Flow Meter is a high-grade rotameter especially suited for measurement and control of minute flow, with an industry reputation of being one of the best analog devices. The KOFLOC 2412 SERIES Non-Rotating Precision Needle valve allows precise and easy flow control of minute amounts of gases and liquids. The internal mechanism converts rotating movement into stable linear movements with minimal vibrations. The needle and orifice has a thermal compensating structure (US P.A.F.) of 0.3%/˚C (15˚C to 35˚C).
FEATURES
♦ Wide-range flow measurement
♦ Fine control of minute flow
♦ Precision needle valve
♦ Numerous variants and custom models
APPLICATIONS
♦ Research & Analytical use
♦ Control of multiple gases
♦ Simultaneous control of multiple ranges
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KOFLOC RK120XM
The KOFLOC Precision Variable Area Flow Meter for Gas Mixing MODEL RK120XM SERIES combines 2 to 4 RK1200 precision flow-tubes optimized for gas mixing applications.The KOFLOC RK1200 SERIES High Precision Variable Area Flow Meter is a high-grade rotameter especially suited for measurement and control of minute flow, with an industry reputation of being one of the best analog devices. The KOFLOC 2412 SERIES Non-Rotating Precision Needle valve allows precise and easy flow control of minute amounts of gases and liquids. The internal mechanism converts rotating movement into stable linear movements with minimal vibrations. The needle and orifice has a thermal compensating structure (US P.A.F.) of 0.3%/˚C (15˚C to 35˚C).
FEATURES
♦ Wide-range flow measurement
♦ Fine control of minute flow
♦ Precision needle valve
♦ Numerous variants and custom models
APPLICATIONS
♦ Gas mixing
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General description :
M 200 C Rotameters are gas flow meters that can regulate flow. They consist of a base plate, measuring tube holders, a dosing valve and a measuring tube. The size and type of the measuring tube varies according to the flow range and gas type.
The dosing valve is designed for accurate regulation of the desired gas flow which is read by means of the measuring tube.In order to ensure uninterrupted operation when dosing smaller amounts of gas (up to 25 g/h), additional filtration has been installed in the system.
Dosing valves are made of technically pure silver. Acicular fabrication ensures high precision of dosing.
Options
- M 200 C Rotameters cover a metering range of 12g/h to 115 kg/h,
- model M 240 up to 40 kg/h
- model M 250 up to 200 kg/h.
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Made entirely of PTFE, PFA, and PCTFE, AALBORG®'s Model F
FLOW METER is excellent for high-purity applications or for 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.
DESIGN FEATURES:
. Chemically inert wetted components.
. Removable protective shield.
. Individually leak tested.
MATERIALS OF CONSTRUCTION:
TUBESHIELDS: Polycarbonate
FLOWTUBES: PFA
FLOATS: PTFE
WETTED PARTS: PTFE end fittings. PCTFE guide rods.
SPECIFICATIONS:
SCALES: 0 to 10 markings.
ACCURACY: ±5% of full scale.
MAXIMUM TEMPERATURE: 250º F (121º C).
MAXIMUM PRESSURE: 100 psig (6.7 bars).
LEAK INTEGRITY: Individually leak tested and certified to a rating of 1 x 10-7 sccs of Helium.
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Hedland manufactures over 7,000 varieties of VA flow meter for measuring the flow of liquids and gases. The rugged in-line meters may be installed in any position and include a rotatable English/metric scale for easy viewing. Calibrated accuracy of +/- 2% full scale. Applications include oil and hydraulic fluids, phosphate esters, air and other compressed gases, water and water-based fluids. Custom measurement scales are also available for specific applications. The meters are offered in both high and low-pressure versions in a variety of materials including aluminum, brass and stainless steel.
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Barksale offers a range of flow sensors for common flow detection applications for liquid media.
Operation of the BFS flow switch is based on the movement of a spring-loaded piston within a cylindrical tube.
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Liquid and Air
Blue-White's variable area flowmeters are offered in over 240 configurations, including models for in-line, panel mount and closed pipe installation. A wide range of calibrations are offered and with Blue-White Flowmeters, you know you're getting over 50 years of Manufacturing Experience, Superior Materials of Construction, and Hand Made Quality.
Flowmeters are offered with many innovative design features, including: High/low level alarms; protective shields, and flow adjustment valves.
Flowmeters are constructed of quality materials, including Polysulfone, Borosilicate Glass and Acrylic. Internal parts are corrosion and wear resistant. Permanent scales are applied directly in front of the float for easy, accurate reading.
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The Brooks® Model 1350 and 1355 Sho-Rate™ variable area meters deliver industry-leading performance for gas or liquid flows. Their robust, proven engineering ensures reliable indication and unsurpassed service life. Sho-Rate meters pioneered the concept of field-replaceable tube and float kits. If necessary, the tube and float can be replaced in-line in a matter of minutes. Brooks also offers low cost meters in glass, acrylic and polycarbonate tube configurations for less critical applications, as well as high performance glass and armored meters for more precise applications.
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Orifice Plate Flow Meter - Series OP
Stainless Steel for Use with Liquids and Gases
Oxygen Flowmeter - Series OMA
Acrylic for Use with Oxygen
Plastic Flowmeter - Series HFPC & HFPS
±5% Accuracy, Mount in any Position
Sonic Flowmeter - Model UF
Water/Liquid Flow to 26 ft/sec, ±2% Accuracy, Non-Invasive
In-Line Flow Monitor - Series HF
Water/Liquid Flow to 50 GPM, Air/Gas Flow to 22 SCFM, ±2.5% Accuracy
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These flowmeters are variable area
measuring instruments, providing
inexpensive and accurate measurement
of flow rates for liquids
and gases.
Versions for liquids and gases are
available, with scales in l/h and
m3/h.
Special scales are available on request.
The standard version is equipped
with a Trogamid tube, U-PVC
unions, and Stainless Steel or
PVDF floater.
Other tubes, floaters and connection
materials are available for
special fluids and special working
conditions (see following pages)
All flowmeters are fitted with maxmin
set points which are fully adjustable.
One can directly read the flow rate
on the scale, at the level of the
upper extremity of the floater.
In addition to the visual indicators,
the flowmeters may be fitted with
minimum - maximum switches or
with a transmitter.
When fitting electrical accessories
please make sure that a magnetic
floater is installed in the flowmeter.
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Sensors
Variable area flowmeters for 2-20.000 L/h, mounting of limit switches and instrument sensors as well as Reed contacts for detection and processing of measured values.
flow transmitters: turbine, totalizer or batch controller for 0.3 – 25.000 L/h. The transmitters provide an electrical output signal for further processing.
Magnetically inductive flowmeter for DN 25 – 300. Interfaces such as R232, level measurement, differential pressure measurement, Profibus or AS-Interface enable easy integration in fully automatic plant control systems.
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- Service: gases & liquids
- Wetted parts material: PC Tube
O-ring- NBR, Viton
Float- SS316, PTFE
- Connecting material: SS316, PVC available
- Temperature & pressure limits:
150 pisg(10bar) @ 60ºC
- Accurary: 3% full scale
- Mounting: vertical position
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- Size: 6A~25A Thread
- Flange range: 0.3~50 L/Min (Liquid), 5~800 NL/Min(Air)
- Material: 304SS, 316SS, Available
- Switch: Reed Switch, Available
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Hedland offers over 7,000 variable area, turbine, and positive displacement meters for liquids and gases. The in-line variable area meters can be installed at any angle and perform at ±2% accuracy. High pressure/high temperature models available. The Flo-tech line of portable hydraulic testers is designed for diagnostic troubleshooting of hydraulic systems and components. The Flo-tech line includes turbine flow sensors with magnetic pickup, ported for optional pressure and temperature transducers.
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Viscosity Compensated Flowmeter / -switch VKP
Plastic Flowmeter /-switch KSM
Variable Area Flowmeter and /-switch DSV
Variable Area Flowmeter/- switch KHN
All Metal Variable Area Flowmeter SMN
All Metal Variable Area Flowswitch DSS
Variable Area Flowmeter / -switch SMV
Variable Area Flowmeters / -switch SMO/SMW
Viscosity Independent Flowmeter /- monitor VKG
Viscosity Independent Flowmeter /-switch VKM
Manifold Valves for Lubricating Oil Circuits BVB
Variable Area Flowmeter / -switch KDM
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Digital alternative for a VA meter with totaliser and alarm functions.
MASS-VIEW(r) has an OLED display showing:
- actual flow rate (bar graph and actual value or percentage)
- desired flow units
- type of gas (7 pre-installed gases)
- totalized flow
- min. and/or max. alarm
Other features are:
- Freedom from parallax error
- Virtually independent of pressure and temperature variations
- Low pressure drop
- Wide flow ranges
- Fast response
- High accuracy
- Alarm and counter functions (2 relay contacts available)
- Analog (0..5 Vdc) and digital communication (Modbus-RTU, RS-232 interface)
- Configurable password protection
- 7 pre-installed gases available (Air, N2, O2, CO2, Ar, CH4, C3H8) or He or H2
- 4 selectable ranges (100%, 50%, 25% and 10% of maximum fullscale range)
- Digitally calibrated
- 3 year warranty
You can order these instruments online and your order is shipped within two working days.
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The Easyflow series are flowmeters suitable for the measurement and control of transparent or translucent liquids and gases. They may be fitted with socket or butt weld ends in different materials or flanges for inline or panel mounting.
They operate on the variable area principle, where a float effectively suspended in upward flowing media in a tapered plastic flow tube. The vertical axial position of the float within the float tube depends on the flowrate of the media. The plastic flow tube is graduated in suitable flow units, normally with a 10:1 flow range. The reading is taken corresponding with the largest diametric edge of the float.
The Easyflow is a comprehensive range of flowmeters suitable for different flow rates, diameters and tube length.
Features:
- Wide choice of measuring scales
- Wide choice of end connections
- Eight different diameters
- Five different tube length
- Different plastic tube materials
- Different floater materials
- Interchangeable tube lengths
- Environmentally compatible
- High flexibility and fast delivery also for special scales and other customized solutions
- Radial exchangeable in existing piping systems
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– Compact and slender Design
– 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 Buna-N
– Valve: close-control, 15-turn microvalve
– Valve practically hysteresis-free
– Customized versions:
just request our technical advice
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Measuring the volume flow rate of extremely low flow rates of liquids and gases
Can be used in the chemical industry or in medical or laboratory engineering
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Variable area flow-meters
