Products › Instrument Division

Instrument Division

Torqtech specializes in supplying field instrumentation for every P&ID requirement, from selection through to commissioning. We match the right level, flow, temperature and pressure instrument to your process conditions, and support it until it is running as designed.

  1. SelectionReview of process data, P&IDs and datasheets to specify the right instrument.
  2. SupplyDelivery of the selected instruments, with documentation and spares support.
  3. CommissioningGuidance during installation, loop checks and start-up.
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Flow Measurement

Flowmeters and flow elements for liquids, gases and steam.

Flow01

Electromagnetic Flowmeter

Measures the volume flow of conductive liquids with no moving parts and no obstruction in the line.

Key features

  • Full-bore tube with no pressure loss
  • Not affected by density or viscosity
  • Liner and electrode choices for corrosive or abrasive liquids
  • Compact or remote converter

Typical applications

  • Water and wastewater
  • Chemical dosing
  • Slurries and pulp
LiquidsNo moving parts4-20 mA
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Flow02

Vortex Flowmeter

Measures liquid, gas and steam flow from the vortices shed behind a bluff body in the flow.

Key features

  • One principle for liquid, gas and steam
  • Flanged or wafer body
  • Optional temperature and pressure compensation
  • Suitable for high-temperature lines

Typical applications

  • Steam distribution
  • Compressed air and gas
  • Boiler plants
Liquid / gas / steamPulse / 4-20 mA
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Flow03

Swirl Flowmeter

Compact meter that measures gas, steam or liquid flow from the frequency of a swirling flow pattern.

Key features

  • Short straight-pipe requirement
  • Good low-flow sensitivity
  • No moving parts
  • Mass flow output with compensation

Typical applications

  • Gas and steam metering
  • Tight plant layouts
  • Energy monitoring
Gas / steamCompact
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Flow04

Coriolis Mass Flowmeter

Measures true mass flow and density directly, independent of fluid properties.

Key features

  • Mass flow, density and temperature in one device
  • Suited to batching and transfer
  • Few straight-run requirements
  • For liquids, gases and slurries

Typical applications

  • Chemical and fuel transfer
  • Batching and blending
  • Density monitoring
Mass flowDensityDigital / mA
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Flow05

Ultrasonic Flowmeter

Measures liquid flow using ultrasonic signals, including clamp-on versions fitted outside the pipe.

Key features

  • Clamp-on option: no pipe cutting
  • No pressure drop
  • Suited to large pipe sizes
  • Good for retrofit and checking existing meters

Typical applications

  • Water networks
  • Cooling circuits
  • Retrofit surveys
Clamp-onNon-intrusive
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Flow06

Thermal Mass Flowmeter

Measures gas mass flow directly from heat transfer, with no separate pressure or temperature correction.

Key features

  • Direct gas mass flow
  • Strong at low velocities
  • In-line and insertion types
  • Low pressure drop

Typical applications

  • Compressed air
  • Biogas and natural gas
  • Combustion air
GasMass flow
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Flow07

Differential Pressure Flow Meter

Averaging-type primary element used with a differential pressure transmitter, mainly in large lines.

Key features

  • Low permanent pressure loss
  • Insertion type, easy installation
  • Economical on large pipes
  • Works with multivariable transmitters for mass flow

Typical applications

  • Steam and gas lines
  • Large water mains
  • Process plant flow loops
InsertionLarge lines
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Flow08

Variable Area Flowmeter (Rotameter)

Direct-reading flow indicator in which a float rises with flow; glass-tube and all-metal types.

Key features

  • Local indication, no power needed
  • Simple and dependable
  • Metal versions for higher pressure and temperature
  • Optional alarm switches and output

Typical applications

  • Purge and sample lines
  • Chemical dosing
  • Local indication
Local readingNo power
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Flow09

Turbine Flowmeter

Measures clean liquid and gas flow from the speed of a turbine rotor in the stream.

Key features

  • Good repeatability on clean fluids
  • Flanged or threaded body
  • Pulse output for totalising
  • Wide flow range per size

Typical applications

  • Fuel and solvent lines
  • Utility metering
  • Transfer and dosing
Clean fluidsPulse output
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Flow10

Positive Displacement Flowmeter

Meters viscous liquids by trapping and counting fixed volumes as they pass through the meter.

Key features

  • Suited to viscous liquids
  • Accurate at low flow rates
  • Mechanical or electronic totaliser
  • Not affected by flow profile

Typical applications

  • Oil and lubricants
  • Fuel dispensing
  • Viscous chemicals
Viscous liquidsTotaliser
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Flow11

Orifice Plate and Flow Element

Primary element that creates a differential pressure across the line for use with a differential pressure transmitter.

Key features

  • Simple, well-established principle
  • Flanged assemblies and plates
  • Suited to liquids, gases and steam
  • Pairs with differential pressure transmitters

Typical applications

  • Plant flow loops
  • Fuel gas
  • Steam lines
Primary elementFlanged
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Flow12

Flow Switch

Detects the presence or absence of flow, or a set flow value, and switches a contact.

Key features

  • Alarm and protection duty
  • Paddle, thermal or float principles
  • Compact, easy installation
  • Adjustable set point on many versions

Typical applications

  • Pump protection
  • Cooling water
  • Lube-oil lines
On / offProtection
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Level Measurement

Continuous transmitters and point switches for liquids and bulk solids.

Level01

Radar Level Transmitter

Non-contact radar measuring liquid and solid level, unaffected by vapour, temperature or pressure changes.

Key features

  • No contact with the product
  • Not affected by density or dielectric changes
  • Horn and rod antenna options
  • Reliable in vapour, foam and dust

Typical applications

  • Storage tanks
  • Process vessels
  • Silos
Non-contactContinuous
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Level02

Guided Wave Radar Transmitter

Sends radar pulses along a probe to measure level and interface in liquids and some solids.

Key features

  • Measures level and interface
  • Fits narrow nozzles and stilling wells
  • Not affected by foam or agitation
  • Rod and cable probes

Typical applications

  • Boiler drums
  • Oil and water interface
  • Chemical vessels
ProbeInterface
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Level03

Ultrasonic Level Transmitter

Non-contact level and distance measurement using ultrasonic pulses.

Key features

  • Economical non-contact measurement
  • Easy installation on tanks and channels
  • Open-channel flow calculation available
  • Wide range of measuring distances

Typical applications

  • Water and wastewater tanks
  • Sumps and channels
  • Chemical day tanks
Non-contactOpen channel
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Level04

Laser Level Transmitter

Non-contact laser measurement of level or distance where a narrow, precise beam is needed.

Key features

  • Very narrow beam
  • Fast response
  • Suited to dusty or low-reflectivity solids
  • No contact with product

Typical applications

  • Bulk solids and hoppers
  • Narrow chutes
  • Distance monitoring
Narrow beamSolids
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Level05

Hydrostatic Level Transmitter

Submersible sensor that measures level from the pressure of the liquid column above it.

Key features

  • Immersed directly in the liquid
  • Simple, dependable principle
  • Cable length to suit depth
  • Stainless and corrosion-resistant bodies

Typical applications

  • Wells and boreholes
  • Open tanks and reservoirs
  • Wastewater sumps
SubmersiblePressure based
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Level06

Differential Pressure Level Transmitter

Differential pressure transmitter set up to infer level in closed or pressurised vessels.

Key features

  • Suited to pressurised tanks
  • Remote seal systems for hot or viscous media
  • Proven, widely used method
  • Density-compensated options

Typical applications

  • Boiler and drum level
  • Closed tanks
  • Distillation columns
Closed tanksRemote seals
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Level07

Vibrating Fork Level Switch

Point level switch that detects liquid from the change in vibration of a tuning fork.

Key features

  • No calibration needed
  • Not affected by flow, foam or bubbles
  • High, low and dry-run alarms
  • Compact with many connections

Typical applications

  • Overfill protection
  • Pump dry-run protection
  • Tank alarms
Point levelLiquids
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Level08

Vibrating Rod Level Switch

Point level switch for powders and granular bulk solids, using a vibrating rod.

Key features

  • Suited to dry bulk solids
  • Adjustable sensitivity
  • Rod extensions for custom length
  • Robust construction

Typical applications

  • Silo high and low alarms
  • Hoppers and bins
  • Cement and grain
Point levelSolids
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Level09

Capacitive Level Sensor

Senses a change in capacitance to detect level of liquids and bulk solids.

Key features

  • Detects most liquids and solids
  • Rod or cable probe
  • Works with conductive and non-conductive media
  • Rugged electronics

Typical applications

  • Silos and hoppers
  • Sludge and viscous liquids
  • Level limits
Point / continuousProbe
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Level10

Magnetic Level Gauge

Chamber mounted on the vessel with a magnetic float that drives a flag indicator showing level.

Key features

  • Sealed, leak-tight design
  • Clear local indication
  • Switches and transmitters can be added
  • Suited to high pressure and temperature

Typical applications

  • Boiler and separator level
  • Hydrocarbon vessels
  • Chemical tanks
LocalSealed
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Level11

Float and Displacer Level Instrument

Level measured through a float or displacer riding in the liquid, for local control and alarm duty.

Key features

  • Mechanical, proven principle
  • Suited to clean liquids and interface
  • External chamber or internally mounted
  • Direct control or transmitter output

Typical applications

  • Separators
  • Boiler feed tanks
  • Interface control
MechanicalInterface
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Temperature Measurement

Sensors, transmitters and assemblies for process and utility service.

Temperature01

Head-Mount Temperature Transmitter

Compact transmitter fitted in the sensor connection head to convert RTD or thermocouple signals.

Key features

  • Mounts directly in the sensor head
  • Accepts RTD and thermocouple inputs
  • Standard 4-20 mA, digital options
  • Less wiring and less signal noise

Typical applications

  • Process temperature loops
  • Reactors and heaters
  • Utilities
4-20 mAHead mount
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Temperature02

Field-Mount Temperature Transmitter

Transmitter in a rugged field housing with local display, installed directly on the plant.

Key features

  • Weatherproof housing with display
  • Universal sensor input
  • Certified versions for hazardous areas
  • Configurable on site

Typical applications

  • Outdoor installations
  • Process lines
  • Skids
Field housingDisplay
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Temperature03

Rail-Mount Temperature Transmitter

DIN-rail transmitter for panels and cabinets.

Key features

  • Compact DIN-rail housing
  • Universal sensor input
  • Galvanic isolation
  • Easy panel integration

Typical applications

  • Control panels
  • Marshalling cabinets
  • Remote I/O
DIN railPanel
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Temperature04

RTD Temperature Sensor

Platinum resistance temperature detector (Pt100 and others) for stable, repeatable readings.

Key features

  • High accuracy and stability
  • Platinum element
  • Wide temperature range
  • Suitable for replacement

Typical applications

  • Process and lab measurement
  • HVAC and utilities
  • Equipment monitoring
Pt100Stable
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Temperature05

Thermocouple

Two-metal junction sensor for wide, high temperature ranges and fast response.

Key features

  • Very wide temperature range
  • Fast response
  • Rugged and low cost
  • Various types for different ranges

Typical applications

  • Furnaces and kilns
  • Exhaust gas
  • High-temperature process
High tempRugged
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Temperature06

Thermometer with Thermowell

Complete assembly: sensor insert, protective thermowell and connection head.

Key features

  • Sensor can be removed without stopping the process
  • Many connection and material choices
  • RTD or thermocouple insert
  • Optional transmitter in the head

Typical applications

  • Pipelines
  • Pressurised vessels
  • Corrosive service
AssemblyRemovable insert
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Temperature07

Thermistor Temperature Sensor

Small, fast sensor for temperature sensing, control and compensation.

Key features

  • Very fast response
  • High sensitivity over a narrow range
  • Compact and economical
  • Interchangeable versions

Typical applications

  • Equipment protection
  • Compensation circuits
  • OEM control
FastCompact
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Temperature08

Surface Temperature Sensor

Measures process temperature from the outside of the pipe, with no thermowell and no shutdown.

Key features

  • No pipe penetration
  • Retrofit without shutdown
  • Low installation cost
  • Quick to fit on existing lines

Typical applications

  • Retrofit monitoring
  • High-pressure lines
  • Extra measuring points
Non-invasiveRetrofit
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Temperature09

Bimetal Thermometer

Local mechanical thermometer with a dial, requiring no power.

Key features

  • No power needed
  • Easy-to-read dial
  • Rugged stainless steel case
  • Back or bottom connection

Typical applications

  • Local indication
  • Pipelines
  • Utilities
Local dialNo power
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Temperature10

Temperature Switch

Switches a contact when temperature reaches an adjustable set point.

Key features

  • Alarm and protection duty
  • Adjustable set point
  • Capillary or direct-immersion versions
  • Rugged housing

Typical applications

  • Over-temperature protection
  • Heaters
  • Cooling circuits
On / offProtection
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Pressure Measurement

Pressure, differential pressure and gauge instruments for process and utility service.

Pressure01

Pressure Transmitter

Converts process pressure into a standard electrical signal for control systems and local indication.

Key features

  • Gauge, absolute and compound ranges
  • Local display and push-buttons on many versions
  • Threaded or flanged connections
  • Wide choice of wetted materials

Typical applications

  • Pumps and compressors
  • Pipelines and utilities
  • Process vessels
Gauge / Absolute4-20 mA
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Pressure02

Differential Pressure Transmitter

Measures the difference between two pressure points, for flow, closed-tank level and filter condition.

Key features

  • Two-sided process flange
  • Vent and drain provision
  • Local LCD display
  • Manifold-mounted versions

Typical applications

  • Flow with orifice plates
  • Closed-tank level
  • Filter monitoring
DifferentialFlow / Level
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Pressure03

Gauge Pressure Transmitter

Measures pressure relative to atmosphere; a compact choice for general plant loops.

Key features

  • Compact housing with cable entry
  • Threaded stainless process connection
  • Local indicator option
  • For liquids, gases and steam

Typical applications

  • Steam and water lines
  • Compressed air
  • General plant pressure
GaugeThreaded
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Pressure04

Diaphragm Seal Transmitter

Transmitter isolated from the process by a diaphragm seal, for hot, viscous, corrosive or clogging media.

Key features

  • Protects the sensor from aggressive media
  • Flush or extended diaphragm options
  • Capillary-connected versions
  • Used for open-tank level

Typical applications

  • Corrosive chemicals
  • Viscous or crystallising media
  • Open-tank level
SealedHot / corrosive
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Pressure05

Ceramic-Cell Pressure Transmitter

Pressure transmitter with a ceramic sensing element, resistant to abrasion and good for vacuum.

Key features

  • Ceramic sensing element
  • Resistant to abrasion and overload
  • Suited to vacuum and low pressure
  • Stable over long service

Typical applications

  • Water and wastewater
  • Abrasive liquids
  • Gas and vapour
CeramicVacuum
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Pressure06

Hygienic Pressure Transmitter

Sanitary connections and cleanable surfaces for food, beverage and pharmaceutical lines.

Key features

  • Sanitary process connections
  • Smooth, cleanable wetted surfaces
  • Suited to cleaning and sterilising cycles
  • Stainless steel wetted parts

Typical applications

  • Food and beverage
  • Pharmaceutical
  • Biotech
SanitaryStainless
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Pressure07

Multivariable Transmitter

Measures differential pressure, static pressure and process temperature in one device for mass flow calculation.

Key features

  • Three measurements in one device
  • Calculated mass flow output
  • Fewer connections and less piping
  • Suited to steam and gas flow

Typical applications

  • Steam mass flow
  • Gas flow metering
  • Energy monitoring
DP + static + tempMass flow
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Pressure08

Stainless Steel Pressure Sensor

Compact sensing element for OEM equipment and harsh media where a full transmitter is not needed.

Key features

  • Stainless steel construction
  • Compact for equipment integration
  • Gauge, absolute and vacuum ranges
  • Choice of electrical outputs

Typical applications

  • Hydraulics and pneumatics
  • OEM machinery
  • Industrial equipment
CompactOEM
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Pressure09

Pressure Gauge

Local mechanical dial gauge for direct pressure reading, requiring no power.

Key features

  • Dial indication without power
  • Dry or liquid-filled cases
  • Stainless steel versions
  • Many sizes and connections

Typical applications

  • Pumps and lines
  • Utilities
  • Skids and panels
Local dialNo power
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Pressure10

Pressure Switch

Switches a contact when pressure reaches an adjustable set point.

Key features

  • Alarm and protection duty
  • Adjustable set point
  • Mechanical or electronic versions
  • Rugged housing

Typical applications

  • Pump protection
  • Compressor control
  • Safety trips
On / offProtection
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Pressure11

Manifold and Impulse Accessories

Valve manifolds and fittings for isolating, equalising and venting transmitters.

Key features

  • 2-, 3- and 5-valve versions
  • Isolation and equalising in one block
  • Direct-mount to transmitters
  • Stainless and alloy options

Typical applications

  • Transmitter installation
  • Calibration and maintenance
  • Impulse lines
Valve blockAccessories
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