Products › Flow Control Division

Flow Control Division

Torqtech specializes in supplying control valves, actuators, valve accessories and industrial valves for critical process operations, from selection through to commissioning. We match valve and actuator packages to your media, pressure, temperature and shutdown requirements, and we support existing plants with retrofit, conversion and pipeline surge studies.

  1. SelectionSizing and selection from process data, P&IDs and datasheets, matched to your operating conditions and standards.
  2. SupplyDelivery of valves, actuators and accessories, with spares and repair kit support.
  3. CommissioningGuidance during installation, loop checks and start-up.

Control Valves

Valves that regulate flow, pressure, temperature and level in process loops.

Control Valves01

Globe Control Valve

The standard choice for accurate throttling of liquids, gases and steam.

Key features

  • Precise, stable throttling
  • Wide choice of trims and flow characteristics
  • Available in many pressure classes
  • Easy in-line maintenance

Typical applications

  • Steam and condensate
  • Boiler feedwater
  • General process control
ThrottlingLinear stem
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Control Valves02

Rotary Control Valve

Ball, butterfly and eccentric plug designs for high capacity in a compact body.

Key features

  • High flow capacity
  • Compact and light for large line sizes
  • Rotary shaft with simple actuator mounting
  • Some designs suit dirty or viscous media

Typical applications

  • Large pipelines
  • Cooling water
  • Slurry and viscous service
Ball / butterfly / plugRotary
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Control Valves03

Cage-Guided and Balanced-Trim Control Valve

Guided plug and balanced trim for stable control at high pressure drops.

Key features

  • Cage guides the plug for stable control
  • Balanced plug lowers actuator force
  • Replaceable trim parts
  • Tight shutoff options

Typical applications

  • High pressure-drop services
  • Gas and steam
  • Large valve sizes
Balanced trimReplaceable cage
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Control Valves04

Angle and Three-Way Control Valve

Angle bodies for demanding services and three-way bodies for mixing or diverting flow.

Key features

  • Angle body suits flashing and erosive services
  • Three-way body mixes or diverts flow
  • Self-draining angle layouts
  • Same actuators as other control valves

Typical applications

  • Boiler blowdown
  • Blending lines
  • Bypass and diverting service
AngleMixing / diverting
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Control Valves05

Low-Noise and Anti-Cavitation Control Valve

Special multi-stage trims that reduce noise and protect against cavitation damage.

Key features

  • Staged pressure reduction
  • Lower noise levels in gas service
  • Protects trim and body from cavitation
  • Hardened trim options

Typical applications

  • Gas letdown
  • High pressure-drop liquids
  • Noise-sensitive areas
Multi-stage trimNoise control
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Control Valves06

High-Pressure and High-Temperature Control Valve

Heavy-duty control valves built for severe pressure and temperature conditions.

Key features

  • Robust forged or cast bodies
  • Alloy materials for temperature
  • Extended bonnets where needed
  • Suited to high pressure classes

Typical applications

  • Power plants
  • Refineries
  • Severe-duty process lines
High pressureHigh temperature
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Control Valves07

Steam Conditioning and Desuperheating Valve

Reduces steam pressure and temperature in a single controlled unit.

Key features

  • Pressure reduction and cooling in one valve
  • Cooling water injection
  • Suited to turbine bypass and process steam
  • Engineered for each service

Typical applications

  • Turbine bypass
  • Process steam headers
  • Steam let-down stations
SteamDesuperheating
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Control Valves08

Level Control Valve

Control valve packages set up for tank and vessel level loops.

Key features

  • Matched to level controller signals
  • Sized for the inflow or outflow duty
  • Failsafe actuator action as required
  • Suited to clean and dirty liquids

Typical applications

  • Separators
  • Storage tanks
  • Boiler drums
Level loopsFailsafe
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Control Valves09

Self-Actuating Pressure Regulator

Regulates pressure using the process itself, with no external power or air.

Key features

  • No instrument air or power needed
  • Simple, dependable construction
  • Setpoint adjustable on the unit
  • Pressure reducing or back-pressure types

Typical applications

  • Gas and steam supply
  • Blanketing systems
  • Remote sites
No powerPressure
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Control Valves10

Self-Actuating Temperature Regulator

Controls temperature through a thermal sensing system, with no external power.

Key features

  • Thermal fill system drives the valve
  • No instrument air or power needed
  • Adjustable setpoint
  • Heating and cooling versions

Typical applications

  • Heat exchangers
  • Tank heating
  • Process heating loops
No powerTemperature
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Actuators

Pneumatic and electric actuators for control, shutdown and ON/OFF duty.

Actuators01

Pneumatic Diaphragm Actuator

Spring-and-diaphragm actuator for linear control valves.

Key features

  • Smooth, proportional motion
  • Fail-safe spring action
  • Simple, low-maintenance design
  • Reverse and direct action

Typical applications

  • Globe control valves
  • Modulating service
  • Failsafe loops
LinearSpring return
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Actuators02

Pneumatic Piston (Cylinder) Actuator

Air cylinder actuator giving high thrust in a compact size.

Key features

  • High output force
  • Compact design
  • Spring return or double acting
  • Suitable for higher air pressures

Typical applications

  • Large control valves
  • Fast valve action
  • High-force duty
Linear / rotaryHigh thrust
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Actuators03

Rack and Pinion Actuator

Compact quarter-turn actuator using a rack and pinion drive.

Key features

  • Compact quarter-turn drive
  • Double acting or spring return
  • Easy to mount on rotary valves
  • Accessory mounting to standards

Typical applications

  • Ball valves
  • Butterfly valves
  • General ON/OFF duty
Quarter turnSpring return
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Actuators04

Scotch Yoke Actuator

Quarter-turn actuator that delivers its highest torque at start and end of travel.

Key features

  • High breakaway torque
  • Suited to large, high-torque valves
  • Double acting or spring return
  • Rugged construction

Typical applications

  • Pipeline valves
  • Large ball and plug valves
  • Shutdown valves
Quarter turnHigh torque
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Actuators05

Electric Multi-Turn Actuator

Motor-driven actuator for gate, globe and other multi-turn valves.

Key features

  • Torque and position control
  • Local display and controls
  • Handwheel for manual operation
  • Remote and fieldbus signals

Typical applications

  • Gate valves
  • Water and power plants
  • Remote operation
Multi-turnElectric
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Actuators06

Electric Part-Turn Actuator

Motor-driven actuator for ball, butterfly and plug valves.

Key features

  • Quarter-turn operation
  • Torque and position protection
  • ON/OFF or modulating duty
  • Handwheel for manual operation

Typical applications

  • Ball and butterfly valves
  • Water systems
  • Remote isolation
Part turnElectric
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Actuators07

ESD (Emergency Shutdown) Actuator

Spring-return actuator package for fast, reliable emergency shutdown.

Key features

  • Fail-safe spring return
  • Designed for rapid, dependable stroking
  • Works with solenoid and partial-stroke test systems
  • Built for safety loops

Typical applications

  • Emergency isolation
  • Safety instrumented systems
  • Process shutdown
Fail safeShutdown
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Actuators08

SDV and BDV (Shutdown and Blowdown) Actuator

Actuator packages for shutdown valves and blowdown valves.

Key features

  • Failsafe open or closed action
  • Fast, repeatable stroking
  • Suited to hazardous areas
  • Pairs with limit switches and solenoids

Typical applications

  • Oil and gas facilities
  • Vessel blowdown
  • Pipeline isolation
ShutdownBlowdown
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Actuators09

ON/OFF Actuator

Simple actuators for isolation valves that need fully open or fully closed operation.

Key features

  • Pneumatic or electric versions
  • Fast, repeatable operation
  • Low maintenance
  • Easy accessory mounting

Typical applications

  • Isolation valves
  • Batch process lines
  • Utility systems
ON/OFFIsolation
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Valve Accessories

Positioners, solenoids, switches and air-set accessories for valve packages.

Valve Accessories01

Positioner

Pneumatic, electro-pneumatic and digital positioners that set the valve to the signal.

Key features

  • Accurate valve positioning
  • Analogue and digital versions
  • Diagnostics on digital models
  • Linear and rotary mounting kits

Typical applications

  • Control valves
  • Modulating loops
  • Valve diagnostics
Pneumatic / digitalPosition control
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Valve Accessories02

Solenoid Valve

Electrically operated valve that directs air to the actuator.

Key features

  • Fast switching
  • Direct or pilot operated
  • Hazardous-area certified versions
  • Coil voltage options

Typical applications

  • ON/OFF valves
  • Shutdown valves
  • Safety loops
ElectricFast
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Valve Accessories03

Limit Switch Box

Position feedback box that signals open and closed valve positions.

Key features

  • Mechanical or proximity switches
  • Visual position indicator
  • Rugged weatherproof housing
  • Direct mounting to actuators

Typical applications

  • ON/OFF valves
  • Shutdown valves
  • Plant position feedback
FeedbackIndicator
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Valve Accessories04

Filter Regulator

Cleans and regulates instrument air for actuators and positioners.

Key features

  • Filters moisture and particles
  • Adjustable output pressure
  • Compact mounting
  • Drain options

Typical applications

  • Positioners
  • Actuators
  • Pneumatic systems
Air setRegulation
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Valve Accessories05

Volume Booster

Increases air volume to speed up actuator stroking.

Key features

  • Faster valve response
  • Increases air flow to the actuator
  • Simple mounting
  • Adjustable sensitivity

Typical applications

  • Large actuators
  • Fast control loops
  • Piston actuators
Faster strokePneumatic
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Valve Accessories06

Quick Exhaust Valve

Vents actuator air rapidly to speed valve movement.

Key features

  • Fast venting of actuator air
  • Compact and simple
  • Improves stroking time
  • Wide range of sizes

Typical applications

  • Shutdown valves
  • Large actuators
  • Fast-acting service
Fast ventPneumatic
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Industrial Valves

On-off, isolation and non-return valves for process and utility lines.

Industrial Valves01

Gate Valve

Straight-through isolation valve for fully open or closed service.

Key features

  • Low flow resistance when open
  • Bolted bonnet or pressure-seal designs
  • Wedge or parallel slide gate
  • Wide range of materials

Typical applications

  • Isolation
  • Water and oil lines
  • Steam lines
IsolationFull bore
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Industrial Valves02

Globe Valve

Linear-motion valve for isolation and flow regulation.

Key features

  • Good throttling ability
  • Tight shutoff
  • Straight or angle pattern
  • Wide range of materials

Typical applications

  • Steam and condensate
  • Flow regulation
  • Bypass lines
ThrottlingShutoff
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Industrial Valves03

Check Valve

Non-return valve that allows flow in one direction only.

Key features

  • Automatic operation
  • Swing, lift and dual-plate types
  • Protects pumps and compressors
  • Wide range of end connections

Typical applications

  • Pump discharge
  • Compressor lines
  • General process lines
Non-returnAutomatic
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Industrial Valves04

Ball Valve

Quarter-turn valve with a bored ball for quick, tight shutoff.

Key features

  • Quarter-turn operation
  • Full or reduced bore
  • Soft and metal seat options
  • Easy actuator mounting

Typical applications

  • Isolation
  • Gas and liquid lines
  • Automated ON/OFF service
Quarter turnTight shutoff
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Industrial Valves05

Butterfly Valve

Compact quarter-turn disc valve for large pipes.

Key features

  • Light, compact body
  • Wafer, lug and flanged versions
  • Economical in large sizes
  • Easy actuator mounting

Typical applications

  • Water systems
  • Cooling water
  • Large pipelines
Quarter turnCompact
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Industrial Valves06

Plug Valve

Quarter-turn valve with a tapered or cylindrical plug.

Key features

  • Simple, rugged design
  • Lubricated and non-lubricated types
  • Multi-port versions
  • Suited to dirty media

Typical applications

  • Gas lines
  • Slurry and viscous media
  • Diverting service
Quarter turnMulti-port
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Industrial Valves07

Needle Valve

Small valve with a fine tapered stem for precise flow adjustment.

Key features

  • Fine flow adjustment
  • Suitable for high pressure
  • Compact
  • Instrument and gauge isolation

Typical applications

  • Instrument lines
  • Sampling
  • Gauge isolation
Fine controlInstrument
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Looking for flowmeters?

Electromagnetic, vortex, Coriolis, ultrasonic and other flowmeters are listed under Flow Measurement in our Instrument Division.

View Flow Measurement

Not sure what you need?

Send us your P&ID or process data and we will recommend and supply the right product or service.

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