Skip to content

Flow Measurement

Flowmeters, controllers and accessories for every process

Accurate flow measurement underpins process efficiency, custody transfer and quality control. Semac International supplies flowmeters, flow controllers and accessories for the full range of industrial process applications — from simple mechanical indicators through to advanced, diagnostics-rich flow instrumentation.

Talk to an expert

What we offer

  • Flowmeters for liquids, gases and steam
  • Flow controllers and switches
  • Mechanical flow indicators
  • Flow computers
  • Maintenance & service tools
  • Flow accessories and installation kits

Key benefits

Full measuring range

Cost-effective mechanical indicators through to advanced electronic flow instrumentation.

Reliable in tough media

Solutions engineered for demanding liquids, gases and steam across process conditions.

Control & totalising

Flow controllers and flow computers for dosing, batching and custody transfer.

Service-ready

Maintenance and service tools plus accessories to keep installations accurate.

Products in this category

100 products
Bürkert Type 0044 - Pneumatic cylinder in plastic according to ISO
BÜRKERTType 0044 Pneumatic CylinderDouble-acting plastic pneumatic cylinder built to ISO standards for reliable linear actuation in automation applications. View product
Bürkert Type 0045 - Pneumatic cylinder in plastic according to ISO
BÜRKERTType 0045 Pneumatic CylinderSingle-acting plastic pneumatic cylinder built to ISO standards for reliable actuation in fluid control systems. View product
BÜRKERTType 0121 Direct-Acting 2/2 or 3/2-Way Pivoted Armature ValveDirect-acting 2/2 or 3/2-way pivoted armature solenoid valve from Bürkert for reliable on/off media control. View product
BÜRKERTType 0124 Direct-Acting 2/2 or 3/2 Way Pivoted Armature ValveDirect-acting 2/2 or 3/2-way pivoted armature solenoid valve for opening, closing, dosing, mixing and distribution tasks. View product
Bürkert Type 0125 Direct-Acting 2/2 or 3/2 Way Pivoted Armature Valve
BÜRKERTType 0125 Direct-Acting 2/2 or 3/2 Way Pivoted Armature ValveCompact direct-acting 2/2 or 3/2 way solenoid valve with pivoted armature for reliable on/off media control. View product
Bürkert Type 0127 - 2/2-way or 3/2-way rocker solenoid valve with separating diaphragm
BÜRKERTType 0127 Rocker Solenoid ValveCompact 2/2-way or 3/2-way rocker solenoid valve with separating diaphragm, designed for lab, medical and analytical applications. View product
Bürkert Type 0131 - Direct-acting 2/2-way or 3/2-way toggle valve
BÜRKERTType 0131 - Direct-acting 2/2-way or 3/2-way toggle valveDirect-acting 2/2-way or 3/2-way toggle valve for neutral and aggressive liquids up to DN 25. View product
Bürkert Type 0142 - Diaphragm valve, 2/2-way, servo-assisted
BÜRKERTType 0142 - Diaphragm valve, 2/2-way, servo-assistedServo-assisted 2/2-way diaphragm valve from Bürkert, built for reliable shut-off of aggressive and contaminated media. View product
Bürkert Type 0200 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0200 - Direct-acting 2/2-way plunger valveDirect-acting 2/2-way plunger solenoid valve from Bürkert, normally closed, for reliable on/off fluid control. View product
Bürkert Type 0201 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0201 - Direct-acting 2/2-way plunger valveDirect-acting 2/2-way solenoid plunger valve for reliable on/off media control in industrial applications. View product
Bürkert Type 0211 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0211 - Direct-acting 2/2-way plunger valveRobust direct-acting 2/2-way plunger valve from Bürkert for reliable on/off control of neutral and aggressive media. View product
Bürkert Type 0212 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0212 - Direct-acting 2/2-way plunger valveDirect-acting 2/2-way plunger valve from Bürkert for reliable on/off control of fluids and gases. View product
Bürkert Type 0243 - Direct-acting 2/2 way plunger valve
BÜRKERTType 0243 - Direct-acting 2/2 way plunger valveDirect-acting 2/2-way plunger valve from Bürkert for reliable on/off control of fluids and gases in process applications. View product
BÜRKERTType 0248 - Motor ball valveCompact electromotive 2/2-way ball valve for reliable on/off control in low-flow fluid applications. View product
Bürkert Type 0253 - 2/2-way solenoid valve, direct-acting
BÜRKERTType 0253 - 2/2-way solenoid valve, direct-actingDirect-acting 2/2-way plunger solenoid valve with stainless steel seat for reliable shut-off in demanding applications. View product
Bürkert Type 0255 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0255 - Direct-acting 2/2-way plunger valveDirect-acting 2/2-way plunger valve built for high pressures and temperatures up to 250 °C. View product
Bürkert Type 0256 - Direct-acting 2/2-way solenoid valve
BÜRKERTType 0256 - Direct-acting 2/2-way solenoid valveBürkert Type 0256 direct-acting 2/2-way solenoid valve for reliable on/off control of neutral media. View product
Bürkert Type 0262 - Pneumatically operated 2/2 way Valve
BÜRKERTType 0262 - Pneumatically operated 2/2 way ValveExternally piloted 2/2-way diaphragm valve with double spindle sealing for reliable, long-lasting shut-off and control duty. View product
Bürkert Type 0263 Pneumatically Operated 2/2-Way Diaphragm Valve
BÜRKERTType 0263 Pneumatically Operated 2/2-Way Diaphragm ValveExternally piloted 2/2-way diaphragm valve built for long service life and easy integration into multi-valve manifolds. View product
Bürkert Type 0280 - Diaphragm valve 2/2 way servo-assisted
BÜRKERTType 0280 - Diaphragm valve 2/2 way servo-assistedServo-assisted 2/2-way diaphragm solenoid valve for reliable normally closed or normally open shut-off duties. View product
Bürkert Type 0283 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0283 - Direct-acting 2/2-way plunger valveReliable direct-acting 2/2-way solenoid valve for low-pressure flow control with zero-pressure switching capability. View product
Bürkert Type 0285 - Direct-acting 2/2 way plunger valve
BÜRKERTType 0285 - Direct-acting 2/2 way plunger valveCompact direct-acting 2/2 plunger valve ideal for precise flow control in hazardous gas applications. View product
Bürkert Type 0286 - Direct-acting 2/2 way plunger valve
BÜRKERTType 0286 - Direct-acting 2/2 way plunger valveCompact 2/2 way direct-acting plunger valve for reliable on-off flow control. View product
Bürkert Type 0287 - 2/2-way solenoid valve for neutral media
BÜRKERTType 0287 - 2/2-way solenoid valve for neutral mediaServo-assisted 2/2-way solenoid valve for compressed air and water applications. View product
Bürkert Type 0290 - Servo-assisted 2/2-way diaphragm valve
BÜRKERTType 0290 - Servo-assisted 2/2-way diaphragm valveServo-assisted 2/2-way diaphragm valve offering gentle flow control with flexible material options. View product
Bürkert Type 0293 - Direct-acting 2/2-way plunger valve
BÜRKERTType 0293 - Direct-acting 2/2-way plunger valveDirect-acting 2/2-way solenoid valve for low-pressure gas applications, switching from zero bar without pressure differential. View product
Bürkert Type 0300 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0300 - Direct-acting 3/2-way plunger valveCompact 3/2-way direct-acting solenoid valve engineered for reliable flow switching in industrial automation. View product
Bürkert Type 0301 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0301 - Direct-acting 3/2-way plunger valveDirect-acting 3/2-way solenoid plunger valve for precise flow control in industrial automation systems. View product
Bürkert Type 0303 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0303 - Direct-acting 3/2-way plunger valveCompact 3/2-way direct-acting plunger valve for straightforward pneumatic flow control View product
Bürkert Type 0304 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0304 - Direct-acting 3/2-way plunger valveDirect-acting 3/2-way plunger valve for reliable ON/OFF flow control in industrial automation. View product
Bürkert Type 0311 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0311 - Direct-acting 3/2-way plunger valveCompact 3/2-way direct-acting plunger valve for reliable pneumatic flow control applications. View product
Bürkert Type 0312 - Direct-acting 3/2-way plunger valve
BÜRKERTType 0312 - Direct-acting 3/2-way plunger valveCompact 3/2-way direct-acting plunger valve for reliable on-off flow control in pneumatic and hydraulic systems. View product
BÜRKERTType 0313 - Direct-acting 3/2 way lifting armature valveDirect-acting 3/2 way lifting armature valve for reliable proportional flow control. View product
Bürkert Type 0330 - Direct-acting 2/2 or 3/2-way pivoted armature valve
BÜRKERTType 0330 - Direct-acting 2/2 or 3/2-way pivoted armature valveDirect-acting pivoted armature valve for reliable 2/2 or 3/2-way flow control in industrial automation. View product
Bürkert Type 0331 - Direct-acting 2/2 or 3/2-way pivoted armature valve
BÜRKERTType 0331 - Direct-acting 2/2 or 3/2-way pivoted armature valveDirect-acting pivoted armature solenoid valve in 2/2 or 3/2-way configurations with durable brass, stainless steel, or plastic housing options. View product
Bürkert Type 0340 - Piston valve 3/2 way servo-assisted
BÜRKERTType 0340 - Piston valve 3/2 way servo-assistedServo-assisted 3/2-way piston valve with pilot control, manual override, and flexible solenoid options. View product
Bürkert Type 0341 - Externally controlled 3/2 way servo piston valve
BÜRKERTType 0341 - Externally controlled 3/2 way servo piston valvePrecision 3/2 servo piston valve with external control for reliable flow regulation in industrial automation. View product
Bürkert Type 0344 - Piston valve 3/2 way servo-assisted
BÜRKERTType 0344 - Piston valve 3/2 way servo-assistedBürkert Type 0344: servo-assisted 3/2-way piston valve with pilot-operated precision control and manual override. View product
Bürkert Type 0355 - Plunger valve 3/2-way direct-acting
BÜRKERTType 0355 - Plunger valve 3/2-way direct-actingBürkert Type 0355: Direct-acting 3/2-way plunger valve for liquids and gases up to +180°C. View product
BÜRKERTType 0406 - Piston valve 2/2 way servo-assistedServo-assisted 2/2 piston valve engineered for reliable on-off flow control in high-temperature applications. View product
BÜRKERTType 0460 - 5/2-way pulse or 5/3-way solenoid valve for pneumatic applicationsBürkert Type 0460 solenoid valve: fast-switching 5/2 and 5/3-way pneumatic control for integrated valve systems. View product
BÜRKERTType 0461 - 5/2-way pulse and 5/3-way solenoid valve for pneumatic applicationsBürkert Type 0461 solenoid valve: precise pneumatic flow control with fast response for industrial automation. View product
BÜRKERTType 0641 - Direct-acting 2/2 way lifting armature valveCompact direct-acting 2/2 solenoid valve for reliable on-off flow control in lifting applications. View product
BÜRKERTType 0643 - Direct-acting 3/2 way lifting armature valveCompact 3/2 direct-acting lifting armature valve for reliable pneumatic flow control. View product
Bürkert Type 2000 - Pneumatically operated angle seat valve
BÜRKERTType 2000 - Pneumatically operated angle seat valvePneumatic angle seat valve with self-adjusting packing for reliable 2/2-way flow control. View product
BÜRKERTType 2006 Pneumatically Operated 3/2-Way Seat ValvePneumatic 3/2-way seat valve with CLASSIC actuator for reliable media mixing and distribution control. View product
BÜRKERTType 2012 Pneumatically Operated 2/2-Way Globe ValvePneumatic piston-actuated 2/2-way globe valve with self-adjusting packing gland for reliable flow control. View product
BÜRKERTType 2030 2/2-way Diaphragm Valve with Pneumatic Plastic ActuatorPneumatically-operated 2/2-way diaphragm valve engineered for hygienic and corrosive applications with optimized flow design. View product
Bürkert Type 2031 2/2-Way Diaphragm Valve with Pneumatic Plastic Actuator
BÜRKERTType 2031 2/2-Way Diaphragm Valve with Pneumatic Plastic ActuatorPneumatically actuated 2/2-way diaphragm valve with a robust plastic actuator, built for hygienic and chemically aggressive process environments. View product
DELTA MOBREYDMSP900SH Level and DMSP900FH Flow TransmittersNon-contact ultrasonic transmitter for level, tank content and open channel flow measurement in demanding wet-well applications. View product
DELTA MOBREYFlow Element SeriesPrecision flow measurement solutions featuring orifice plates, venturi tubes, and pitot devices for industrial process control. View product
Klay Instruments DP-4000
KLAY INSTRUMENTSDP-4000Precision differential pressure transmitter with 0.075% accuracy, HART/Profibus integration, and robust stainless steel construction for demanding industrial applications. View product
Krohne AF-E 400
KROHNEAF-E 400Ultra-compact electromagnetic flowmeter for conductive liquids in tight-space utility and automation applications. View product
Krohne ALTOSONIC V12
KROHNEALTOSONIC V1212-path ultrasonic gas flowmeter engineered for high-accuracy custody transfer applications. View product
Krohne BATCHFLUX 3100
KROHNEBATCHFLUX 3100Electromagnetic flowmeter for precise volumetric filling with FDA-approved hygienic design. View product
Krohne BATCHFLUX 5500
KROHNEBATCHFLUX 5500Electromagnetic flowmeter engineered for precision volumetric filling in beverage production across multiple container formats. View product
Krohne FLEXMAG 4050
KROHNEFLEXMAG 4050Compact electromagnetic flowmeter designed for single-use biopharmaceutical processes with FDA and USP VI compliance. View product
Krohne Flow measurement
KROHNEFlow measurementKROHNE OPTIFLUX electromagnetic flowmeter for SIS, advanced processes, and wireless verification with ±0.2% accuracy. View product
KROHNEH250 M40Variable area flowmeter for liquids and gases, no power required. View product
Krohne OPTIBATCH 4021
KROHNEOPTIBATCH 4021Coriolis mass flowmeter for linear and rotating filling machines with integral electronics and ATEX certification. View product
Krohne OPTIFLUX 1050
KROHNEOPTIFLUX 1050Reliable electromagnetic flowmeter for conductive liquid measurement in standard industrial applications. View product
Krohne OPTIFLUX 1100
KROHNEOPTIFLUX 1100Reliable electromagnetic flowmeter for conductive liquid measurement in industrial processes View product
Krohne OPTIFLUX 1300
KROHNEOPTIFLUX 1300Compact electromagnetic flowmeter engineered for OEM integration, dosing and automated process skids. View product
Krohne OPTIFLUX 1400
KROHNEOPTIFLUX 1400Compact electromagnetic flowmeter engineered for precision dosing and wireless field verification. View product
Krohne OPTIFLUX 2050
KROHNEOPTIFLUX 2050Reliable electromagnetic flowmeter built for everyday water and wastewater measurement. View product
Krohne OPTIFLUX 2100
KROHNEOPTIFLUX 2100Reliable electromagnetic flowmeter for water and wastewater process monitoring. View product
KROHNEOPTIFLUX 2300Electromagnetic flowmeter for standard water and wastewater duties. View product
Krohne OPTIFLUX 2400
KROHNEOPTIFLUX 2400KROHNE OPTIFLUX 2400: Certified electromagnetic flowmeter for water and wastewater with wireless verification capability. View product
Krohne OPTIFLUX 4050
KROHNEOPTIFLUX 4050Electromagnetic flowmeter engineered for demanding applications involving abrasive and corrosive liquids. View product
Krohne OPTIFLUX 4100
KROHNEOPTIFLUX 4100KROHNE OPTIFLUX 4100: Robust electromagnetic flowmeter engineered for abrasive and corrosive liquid applications. View product
KROHNEOPTIFLUX 4300High-accuracy electromagnetic flowmeter for demanding process applications. View product
Krohne OPTIFLUX 5100
KROHNEOPTIFLUX 5100Ceramic-lined electromagnetic flowmeter engineered for aggressive and abrasive liquid applications up to 40 barg and 180°C. View product
Krohne OPTIFLUX 5300
KROHNEOPTIFLUX 5300Precision electromagnetic flowmeter engineered for demanding process and custody transfer applications. View product
KROHNEOPTIFLUX 5400High-accuracy ceramic-lined electromagnetic flowmeter for aggressive, abrasive and high-solids liquids with wireless Bluetooth verification. View product
Krohne OPTIFLUX 6050
KROHNEOPTIFLUX 6050Hygienic electromagnetic flowmeter for reliable measurement in food and beverage processing. View product
Krohne OPTIFLUX 6100
KROHNEOPTIFLUX 6100OPTIFLUX 6100: Electromagnetic flowmeter engineered for hygienic process applications. View product
Krohne OPTIFLUX 6300
KROHNEOPTIFLUX 6300Krohne OPTIFLUX 6300: Electromagnetic flowmeter engineered for demanding hygienic process environments. View product
Krohne OPTIFLUX 6400
KROHNEOPTIFLUX 6400Electromagnetic flowmeter for hygienic liquid measurement with wireless connectivity and custody transfer certification. View product
Krohne OPTIFLUX 7300
KROHNEOPTIFLUX 7300Electromagnetic flowmeter engineered for low-conductivity liquid applications requiring reliable measurement and cost efficiency. View product
Krohne OPTIGAS 4010
KROHNEOPTIGAS 4010Coriolis mass flowmeter for gas dispensing with ATEX certification and high-pressure capability. View product
Krohne OPTIMASS 1010
KROHNEOPTIMASS 1010Krohne OPTIMASS 1010: Precision Coriolis mass flowmeter for diverse industrial process control applications. View product
Krohne OPTIMASS 1400
KROHNEOPTIMASS 1400Coriolis mass flowmeter for liquids and gases with universal process control capability across diverse industrial applications. View product
Krohne OPTIMASS 2400
KROHNEOPTIMASS 2400High-capacity Coriolis mass flowmeter for accurate bulk and custody transfer measurement of gases and liquids. View product
Krohne OPTIMASS 3010
KROHNEOPTIMASS 3010Precision Coriolis flowmeter for low-flow dosing and measurement of liquids and gases up to 300 bar. View product
Krohne OPTIMASS 3400
KROHNEOPTIMASS 3400Compact Coriolis mass flowmeter engineered for precise low-flow and dosing measurement across liquids and gases. View product
Krohne OPTIMASS 5400
KROHNEOPTIMASS 5400Coriolis mass flowmeter for liquids and gases with robust 316L construction and multi-protocol connectivity. View product
KROHNEOPTIMASS 6400Coriolis mass flowmeter for high-accuracy mass and density measurement. View product
Krohne OPTIMASS 7010
KROHNEOPTIMASS 7010Coriolis mass flowmeter for advanced process control with multi-material construction and global certification. View product
Krohne OPTIMASS 7400
KROHNEOPTIMASS 7400High-accuracy Coriolis mass flowmeter built for viscous, aggressive, shear-sensitive or gas-laden process media. View product
KROHNEOPTISONIC 3400Ultrasonic flowmeter for a broad range of process liquids. View product
Krohne POWERFLUX 4030
KROHNEPOWERFLUX 4030KROHNE POWERFLUX 4030: Nuclear-qualified electromagnetic flowmeter for demanding liquid measurement applications. View product
Krohne POWERFLUX 4300
KROHNEPOWERFLUX 4300KROHNE POWERFLUX 4300: Nuclear-grade electromagnetic flowmeter for demanding liquid measurement applications. View product
Krohne POWERFLUX 5030
KROHNEPOWERFLUX 5030Nuclear-qualified electromagnetic flowmeter for liquid measurement across demanding temperature and pressure ranges. View product
Krohne POWERFLUX 5300
KROHNEPOWERFLUX 5300POWERFLUX 5300: Electromagnetic flowmeter engineered for demanding nuclear facility liquid measurement applications. View product
Krohne TIDALFLUX 2300
KROHNETIDALFLUX 2300TIDALFLUX 2300: Electromagnetic flowmeter engineered for partially filled pipe applications with robust ATEX certification. View product
Krohne WATERFLUX 3050
KROHNEWATERFLUX 3050WATERFLUX 3050: reliable electromagnetic flowmeter for municipal and industrial water measurement up to 16 bar. View product
Krohne WATERFLUX 3070
KROHNEWATERFLUX 3070Electromagnetic flowmeter for potable water district metering and certified custody transfer applications. View product
Krohne WATERFLUX 3100
KROHNEWATERFLUX 3100KROHNE WATERFLUX 3100: Reliable electromagnetic flowmeter for potable and industrial water measurement. View product
Krohne WATERFLUX 3300
KROHNEWATERFLUX 3300KROHNE WATERFLUX 3300: Certified electromagnetic flowmeter for precise water and custody transfer measurement. View product
Krohne WATERFLUX 3400
KROHNEWATERFLUX 3400Electromagnetic flowmeter engineered for water applications with zero straight-pipe requirements and wireless connectivity. View product

Related industries

Oil & GasWater & WastewaterPower & EnergyFood & BeverageChemicalMining, Minerals & Metals

Let’s optimise your process

Talk to our specialists about the right instrumentation and solutions for your application.

Talk to an expert View all products