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| For liquid, air or gas monitoring applications, Lake's patented technology offers true bi-directional flow measurement in systems with pressures up to 6000 PSIG and flow rates up to 100 GPM. For convenient installation and maintenance, there's no straight professional pipe mounting or power dispensing required. To provide compatibility with most media, Lake's Bi-Directional Flow Meters are available in aluminum, brass and stainless steel. |
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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 professional 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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Lake's high temp. variable area flow meter enables flow monitoring of barrel heating fluids, thermal transfer fluids such as Syltherm® coolant flows through manufacturers of heat exchangers, as well as flows through hydraulic circuits and sub-circuits with elevated temps.
CHOICE OF THREE MATERIALS OF CONSTRUCTION
Select from aluminum, brass or stainless steel to meet system requirements.
UNRESTRICTED MOUNTING
Allows the designer to install the meter in any orientation – horizontal, vertical or inverted.
GOOD VISCOSITY STABILITY
A sharp-edged stainless steel orifice provides excellent measurement stability for viscosities ranging from 0-500 SSU.
RUGGED AND RELIABLE
Designed as a hydraulic service tool, this meter will provide years of maintenance-free performance.
HIGH PRESSURE OPERATION
The magnetically-coupled follower design allows operation to 6000 PSIG and use with opaque liquids.
24 DIFFERENT PORTS AVAILABLE
Standard selection of NPT, SAE and BSP ports reduces the amount of adapters required for installation.
LOW COST ACCURACY
± 2.5% of range accuracy in center third of professional scale; ±4% in upper and lower thirds.
BI-DIRECTIONAL AND REVERSE FLOW OPTION OFFERED
High temperature meters are also available in bi-directional and reverse flow versions.
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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 suppliers 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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Ideal for monitoring air compressor supplier outputs, pneumatic tool consumption and technical gas flows.
CHOICE OF THREE MATERIALS OF CONSTRUCTION
Select from aluminum, brass or stainless steel to meet system and media compatibility requirements.
UNRESTRICTED MOUNTING
Allows the designer to install the meter in any orientation – horizontal, vertical or inverted.
SUPERIOR EXTERIOR DESIGN
Weather-tight for use outdoors and/or on systems where wash downs are required.
RUGGED AND RELIABLE
These meters are constructed with all metal pressure vessels, allowing safe, permanent installation in industrial systems.
HIGH PRESSURE OPERATION
The magnetically coupled follower and rigid pressure vessel design allows operation to 1000 PSIG.
24 DIFFERENT PORTS AVAILABLE
Standard selection of NPT, SAE and BSP ports reduces the amount of adapters required for installation.
LOW COST ACCURACY
±2.5% of range accuracy in center third of professional scale; ±4% in upper and lower thirds.
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| Lake's Basic In-Line Variable Area Flow Meters are available in aluminum, brass and stainless steel for use with a variety of professional oils, coolants and water. They're designed to operate in systems to 6000 PSIG and temperatures to 240ºF. Lake also offers flow meters that are designed to handle high temperature and phosphate ester media, as well as pneumatic applications. |
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VARIABLE AREA FLOW METERS, often referred to as ROTAMETERS, measure gas or liquid flow rates by relating linear displacement of an internal float or sharp-edged orifice plate to a corresponding flow rate.
As the flow rate increases, the orifice area that the flow moves through increases which explains the term Variable Area.
The ROTAMETER is a tapered tube and a float. Its low cost, simplicity, low pressure drop, relatively wide rangeability and linear output make it the most widely used VARIABLE AREA FLOW METER.
AALBORG®'s SINGLE and MULTIPLE TUBE ROTAMETERS have interchangeable tubes and floats. Used to measure liquid and gas flow rates, these flow meters are precision instruments embodying simplicity and versatility.
Shipped completely assembled, as well as individually tested and NIST calibrated, these ROTAMETERS include standard mounting professional fittings in a choice of materials, side plates, back plate, thick protective magnifying front shield, and OptigradTM professional scales among its many features. |
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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 cocks.
Flowmeters are constructed of quality materials, including Polysulfone, Borosilicate Glass and Acrylic. Internal parts are corrosion and wear resistant. Permanent industrial 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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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 union 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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– Compact and slender Design
– Measuring module: plugged in from the front
– mm scale, product scale, user-defined scale
– Float: spherical shape affords stability
– Professional seals: FKM as standard, EPDM or Buna-N
– Cock: close-control, 15-turn microvalve
– Valve practically hysteresis-free
– Customized versions:
just request our technical advice |
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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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- Material : Aluminum alloy case with paint .
- Body wetted parts : in 316SS, PTFE lined, plastic. Others request.
- Indication via magnetic union (no sealed)
- Professional 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 suppliers & 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 :316 stainless steel for case (body in stainless steel.)
- Indication:via magnetic coupling (no professional seals)
- Professional 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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KOFLOC RK120X
The KOFLOC Multiple-Tube Precision Variable Area Flow Meter with Needle valves manufacturers 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 suppliers 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 Professional needle cock 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 suppliers 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 manufacturer 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 industrial 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 cock
♦ Numerous variants and custom models
APPLICATIONS
♦ Gas mixing |
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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 readout - Series HF
Water/Liquid Flow to 50 GPM, Air/Gas Flow to 22 SCFM, ±2.5% Accuracy
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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: Reedswitch, Available |
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- Material : Aluminum alloy painted for case (body in stainless steel.)
- Indication: via magnetic union (no professional seals)
- Professional 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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| 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 professional 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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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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The Spirax Sarco DIVA pipeline unit is a complete flowmetering
system. It provides a fully density compensated 4-20 mA output
proportional to mass flow as well as a digital pulsed output. The
system comprises of:
The DIVA pipeline unit. This is installed in the line where the flow is
to be measured. There is no requirement for impulse lines or
additional equipment. The DIVA measures the force caused by the
deflection of a precision made cone due to the flowrate and converts
it to a 4 - 20 mA and digital pulsed output signal proportional to mass
flow. This output signal can be used in a number of ways |
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KOFLOC 2503F/2504FR
The KOFLOC Variable Area Flow Meter with Integrated Suppliers of pressure regulator MODEL 2503F SERIES uses MODEL 2203 SERIES precision pressure regulator cock to maintain constant flow into the secondary system even under varying load pressure at the outlet. The MODEL 2504FR SERIES uses MODEL 2204 SERIES precision pressure regulator valve to maintain constant flow under supply pressure variance at the inlet. Both models are based on the KOFLOC RK1400 SERIES High Precision Variable Area Flow Meter that employs a flow-tube manufactured with a proprietary glass molding technique. It is a premium variable area flow meter that counters the perception of rotameter as being only good for a rough estimate.
FEATURES
♦ Constant flow under varying pressure.
♦ Highly accurate measurement
♦ Stable flow control characteristics
♦ Sanitary construction for analytical applications
♦ Minute to medium flow ranges
APPLICATIONS
♦ Analyzing system
♦ Pressure digressing situations
♦ Precision measurement
♦ Bio-Engineering
♦ Gas mixing
♦ Flow monitoring |
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KOFLOC RK1812/1814
The KOFLOC Flow Meter with Photosensor MODEL RK1812 & RK1814 SERIES are equipped with a photosensor for detecting float positions at preset levels and thus triggering the alarm output. A light source is a red LED for easy aiming and the indicator lamp can verify its stable operation. These models are based on the KOFLOC RK1400 or the RK1200 SERIES High Precision Variable Area Flow Meter that employs a flow-tube manufactured with a proprietary glass molding technique. It is a premium variable area flow meter that counters the perception of rotameter as being only good for a rough estimate.
FEATURES
♦ High-performance
♦ Precision needle valve suppliers
♦ Numerous variants and custom models
♦ Alarm output
APPLICATIONS
♦ Flow inspection
♦ Flow alarm |
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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 Cocks for Lubricating Oil Circuits BVB
Variable Area Flowmeter / -switch KDM
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