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Gas Flow Measurement

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Horizontal Display Metal Tube Rotameter | QTLZ

Horizontal Display Metal Tube Rotameter - Overview

This Variable Area Rotameter is suitable for single-phase liquids or gas flowing in small/medium pipe diameters. It can be used with corrosive, toxic and explosive mediums. It has good stability and reliability. It has an easy-to-read LCD digital display screen and is easy to install. Applications include the Chemical, Pharmaceutical, Petrochemical, Food, and Metallurgical Industries.

Horizontal Display Metal Tube Rotameter - Features
- Horizontal Installation, easy installation and observation
- Good stability and reliability
- Suitable for single-phase liquid/gas with small/medium pipe diameter
- Can be used for corrosive, toxic and explosive mediums
- Two-wire 4~20mADC signal output
- Easy-to-read LCD digital display
- Range ratio: 10:1 (Special type 20:1)
- Accuracy class: 2.5 (Special type 1.5% or 1.0%)
- Medium temperature: Normalized type -80℃~+220℃
- Ambient temperature: -40℃~+120℃(Remote display without LCD≤85℃)
- Working pressure: DN15~DN50 PN16 (Special type 2.5MPa)
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Platon Turbine Flow Meter | DS1012

Platon Turbine Flow Meter - Overview

This range of Stainless Steel turbine flow meters measures flow rates of water and low to medium viscosity oils and other liquids in high-pressure applications. Providing an electrical pulse output these meters, when linked to a display unit, provide accurate and high repeatability flow measurement. High accuracy measurement is provided by the NT series for up to 6" lines.

Platon Turbine Flow Meter - Features
- Flow rates from 0.5 - 5 L/min
- High accuracy/excellent reliability
- Industrial and hygienic versions available
- Wide range of end connections available
- Available for gas applications
- Reverse and dual pick-up options available
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Digital Vertical Metal Tube Rotameter | QTLZ Male Thread

Digital Vertical Metal Tube Rotameter - Overview

This Rotameter is a variable area flow measuring instrument. The 16-bit microprocessor and high-quality components in the instrument ensure excellent performance of the flowmeter in various kinds of applications. The 304/316 stainless steel structure can be used to measure the flow of liquid, gas, and steam. It is especially suitable for measurement of low flow rate, microflow range, high temperature, high pressure, corrosive, conductive or non-conductive mediums. Applications include petrochemicals, chemicals, food and bev, water treatment and other industries.

Digital Vertical Metal Tube Rotameter - Features
- Range ratio: 10:1(Special type 20:1)
- Accuracy class: 2.5(Special type 1.5% or 1.0%)
- Working pressure: DN15~DN50 PN16 (Special type 2.5MPa)
- Medium temperature: Normalized type -80℃~+220℃
- Ambient temperature: -40℃~+120℃(Remote display without LCD≤85℃)
- Double indication system
- Separation of magnetic coupling and magnetic signals
- Double-line liquid crystal digital display
- Bore diameter of the measuring tube of the flowmeter is complete
- Resistance to high temperature and high pressure
- Good protection and explosion-proofing performance
- Full series of installation pattern
- Various kinds of power supply patterns
- Highly integrated circuit
- Systematical software function and standard Hart communication pattern
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FV Automatic Flow Controller | DS1521 Platon

FV Automatic Flow Controller - Overview

Accurate flow control is vital to a wide variety of processes, for example blending and dosing applications. This controller automatically regulates the flow of liquids or gases by using available line pressure. Once set to the required value, flow is maintained accurately independently of supply pressure fluctuations or varying back pressure downstream, subject to certain minimum overall head loss requirements. No electrical power or external flow measurement input is required. By keeping the required fluid delivery rate constant, one can ensure consistent product quality irrespective of process liquid head changes throughout a batch. These controllers are used in flow control systems such as aircraft fuel delivery systems, to prevent the hazard of excessive flows and protect metering systems from over-speeding. On natural gas or fuel oil delivery systems to multiple burners, the units can maintain optimum flow rate to each burner independently. Available in sizes from 15mm to 100mm. All units can be fitted with a flow scale plate calibrated for process conditions. Once set to a flow rate, the Flostat maintains that flow independent of line pressure fluctuations,

FV Automatic Flow Controller - Features
- Suitable for hazardous liquids or gases
- Fast response
- Fully automatic flow control
- No power required
- 1/2” - 4” line sizes
- 10:1 control range
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Platon Plastic VA Flowmeter | DS1140

Platon Plastic VA Flowmeter - Overview

Type PG and PGU flowmeters are low-cost variable area flowmeters for liquids or gases, in pipe sizes 1/2” or 1”.The shatterproof TPX moulded tapered indicator tube has a 100mm linear flow scale with a 10:1 flow range. The stainless steel or Dural float rises with the flow to an equilibrium position. The flow rate is then read from the top of the float. Scales are etched directly onto the plastic flow tube ensuring high float visibility so that it can be easily read at a distance. They are available with air or water scales etched into the flow tube. Glass tubes are also available, which can be supplied with custom scales to suit process conditions, in the PGU housing. TPX plastic has excellent resistance to most chemicals and gases. It is also non-toxic and boilable.

Type PG is a lightweight, open construction ideal for surface mounting or portable use. For alternative process liquids or conditions, external laminated scales are provided and positioned in front of the flow tube.

Type PGU has a rigid diecast housing with a Perspex window, giving it complete protection from random damage. This flowmeter is suitable for unsupported mounting in process pipework.

Platon Plastic VA Flowmeter - Features
- Large flow capacity for use on 1/2” and 1” lines
- High visibility
- Instantaneous in operation
- Suitable for use on a wide range of liquids and gases
- Glass tube or special scale options
- Low-pressure drop
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Shunt Orifice SGUV | Platon DS1160

Shunt Orifice SGUV - Overview

The type SGUV and type SGUL are direct reading Flowmeters for clean liquids and gases in pipe sizes larger than 30mm. They provide a robust and cost effective method of flow measurement. The indicator housing can be mounted locally to the pipe or remotely by the use of flexible impulse tubing. The instrument is a combination of two measuring principles. It is essentially a pressure differential device consisting primarily of an accurately machined orifice plate located in the main pipework. This produces a pressure drop proportional to the square of the flow rate. A secondary orifice restrictor located in the by-pass flowmeter is accurately calibrated to produce a by-pass flow that can be measured by the glass VA type flowmeter, scaled in terms of the main pipe flow. The metering elements are manufactured to a high standard of interchangeability with boldly marked indicating scales and dynamically balanced floats.

Shunt Orifice SGUV - Features
- Calibration for wide range of gases and liquids
- Available for various flanges
- Instantaneous reading
- Ease of installation
- Compact and rugged construction
- Optional flow alarm
- Maintenance possible under flow conditions
- Interchangeable components provide low cost unit
- Only one moving part
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Metal Tube Flowmeters | SC250

Metal Tube Flowmeters - Overview

This variable area, high-performance measurement flowmeter, is suitable for use in extreme working conditions. Can be used in liquid or gas flow measurement. Applications include water treatment plants, pulp & paper and food industries; pharmaceutical, chemical and petrochemical industries; power plants and nuclear-generating plants; heating and cooling circuits; saturated steam circuits; oven treatments and control of gas burners.

Metal Tube Flowmeters - Features
- Metallic tube with a robust construction
- Indication using magnetic coupling
- High-performance measurement in extreme working conditions
- High resistance to corrosion
- Low-pressure drop
- Damping mechanism to avoid float bounces in gas and steam applications
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Metal Tube Purge Flowmeter | Platon DS1210

Metal Tube Purge Flowmeter - Overview

Ideal for liquid or gas flow monitoring on small lines in purging, mixing or sampling systems. It uses a stainless steel tapered tube to create a variable area flowmeter. The magnetically coupled pointer shows flow rate on an external scale. Metal Tube Purge Flowmeters are used where the higher integrity offered by a metal flow tube is important, or where conventional glass flow tubes are not allowed in the process. The meters are available with inline (API) or rear-facing (APT) screwed connections. For fine flow rate adjustment, the APV model has an integral multi-turn needle valve. Scales are individually produced to show the actual fluid flow for the process fluids and conditions relevant. The units are suitable for flush mounting in a control panel, using a simple mounting kit. Standard units require no electrical connection.

Metal Tube Purge Flowmeter - Features
- For high integrity of high-pressure duty
- Standard units require no electrical connection
- Suitable for flush panel mounting
- Scaled for specific process conditions
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Platon Safety Housed GU VA Flow Meter | DS1111

Platon Safety Housed GU VA Flow Meter - Overview

Type GU are glass tube Variable Area Flowmeters for the direct display of liquid or gas flow rate. It has a robust rigid frame which is suitable for mounting directly into plant pipework, protecting the glass tube from pipework stress and random plant damage. The safety Perspex window gives good flow visibility whilst protecting the operator. A safety blowout disc on the rear of the housing provides a relief vent for process fluids, in case of glass tube damage. Glass tube VA flowmeters are simple and reliable in operation, and instantaneous in response. They offer flow visualisation to the operator, and the float rotation confirms correct meter performance. Standard tubes and floats offer low line pressure loss and a high resolution 100mm linear scale, fused into the glass tube. Fluid flows vertically upward through the tapered glass tube which causes the float to rise to an equilibrium position. Flow rate is measured on the scale of the flow tube, along the top edge of the float. The borosilicate glass tubes are individually scaled according to customers' requirements, and individually flow calibrated.

Platon Safety Housed GU VA Flow Meter - Features
- Safety housed for operator protection
- Site interchangeable 140mm flow tubes
- Robust construction
- Instant flow rate visual indication
- Suitable for installation in unsupported pipework
- Flow tube scaled for any gas and most liquids
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Screwed Metal Tube VA Flowmeter | Platon DS1221

Screwed Metal Tube VA Flowmeter - Overview

This flowmeter is ideal for industrial use as an alternative to large glass tube flowmeters. Suitable for gas or liquid flow measurement at high pressures and temperatures, where the fluids are opaque or dark-coloured. It also provides high operational security for dangerous or toxic materials. Models GMTB and GMTS are brass or Stainless Steel tube flowmeters with female screwed connections. With 1/2”,1” and 2” BSP/NPT threaded fittings standard. The VA meter principle used in the Platon GMT flowmeter measures the position of a float in a precision-machined tapered tube. The float rises with the flow up the taper until the upthrust from the flow balances with the weight of the float. A magnet, electron beam welded into the float casing, drives the external meter indication over a 100mm scale typically displaying a 10:1 flow range. Options available on the GMTB/GMTS include (GMTA) flow alarm outputs for high or low adjustable set points and electronic 4-20mA flow transmitter (GMTX) outputs. All of these are available with CENELEC approval. All units are calibrated for the specific line conditions or fluid involved.

Screwed Metal Tube VA Flowmeter - Features
- Economic construction
- BSP/NPT Screwed end fitting
- Brass or Stainless Steel
- Wide flow ranges
- Sizes 15, 25, 50mm. 1/2”, 1”, 2” bore
- Integral damping on gas flow lines
- Local indication
- Calibration for wide range of gases and liquids
- Optional electronic outputs
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