Streat Control. Industrial Process Control and Instrumentation. Streat Control.  Principals
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Streat Control. Industrial Process Control and Instrumentation. Principals

Aplisens | Ametek Drexelbrook | AMETEK Process & Analytical Instruments Division | Analox | B&C Electronics | Bronkhorst | ENVEA/SWR | MacNaught | PMC | Preso | PULSAR-Greyline | Rotork | SMAR

Streat Control proudly represents the following principals. Each listing cross references to our products section (and vice versa) and also provides a link directly to our principal’s web site.



Aplisens is one of the leading manufacturers of high quality process instrumentation. The company was founded in 1992. Main factory and headquarters are located in Warsaw. From the beginning it has concentrated on electronic pressure and differential pressure measurement technology. The basic rules have always been: high quality, high flexibility and competent support to customers.

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Ametek Drexelbrook is known throughout the world as a leader in level measurement technology. Drexelbrook have earned their reputation for excellence through four decades of experience providing level solutions to virtually every industry including chemical, petrochemical, refining, power, water and wastewater, food, pharmaceutical, pulp and paper, dairy, mining, automotive and many others.

Drexelbrook - The level for your success

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  AMETEK Process & Analytical Instruments Division
The AMETEK Process & Analytical Instruments Division is a worldwide manufacturer of process analyzers and instrumentation.

The AMETEK/Thermox product line offers the greatest selection of flue gas analyzers in the industry for measuring oxygen, combustibles, methane, and fuel-rich atmospheres. AMETEK's commitment is to provide the appropriate analyzer for every application to ensure safety (most importantly) as well as ensuring the most economical solution and the greatest efficiency for end users.

Other products include:
Boiler Feedwater Analyzer (Hydrazine, Reductant)
UV Photometric Analyzer Systems
Electrolytic Moisture Analyzers
Quartz Crystal Moisture Analyzers
Chilled Mirror Hydrocarbon Dew Point Analyzers
Diode Laser Analyzers
Quadrupole Mass Spectrometers
Trace Oxygen Analyzers

AMETEK - The analyzer for your application

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  Analox Sensor Technology
Analox operate at the cutting edge of gas sensor and analyser technology. At the heart of their oxygen and carbon dioxide analysers lie advanced infrared and electrochemical sensors. They also provide oxygen cells and carbon dioxide transducers for OEM applications. We believe Analox are amongst the most compact and accurate infrared carbon dioxide and oxygen sensors in the world.

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B&C Electronics

B & C Electronics offer a wide range of equipment designed and manufactured in their plant in Carnate, Italy. B & C has established its position over 35 years as a leading manufacturer of liquid analyzers with a proven reputation for accuracy, durability and dependability.

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  BRONKHORST, including MASS FLOW online & MASS-STREAM™ (M+W Instruments GmbH)
Bronkhorst was established in 1981 and offers the most extensive product range of thermal mass flow meters and controllers on the market. Various styles of standard or custom-built instruments can be supplied for applications in laboratory, industrial and hazardous areas. The measuring range for these instruments can be selected between 0-1 mln/min up to 0-10000 m3n/h for gases and 0-0.30 mg/h up to 0-20 kg/h for liquids. As well as thermal mass flow, Bronkhorst offers pressure transducers and controllers with a minimum range of 0-100 mbar and a maximum range of 0-400 bar. The latest development is a Coriolis Mass Flow Meter for gases and liquids for ranges between 0-200 g/h up to 0-600 kg/h. Customer satisfaction, innovation and high quality product and service are the key to Bronkhorst High-Tech's success.

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  ENVEA (prev. 'SWR')
ENVEA is a world class manufacturer of ambient, emission and process monitoring systems, with full turnkey capabilities. Our equipment and technologies encompass gas analyzers, dust monitors, solids and flue gas flow meters, and air quality monitoring networks, as well as environmental data processing and reporting solutions.

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Macnaught has become a leader in its field over many years and now has a name well recognized and very respected wherever positive displacement flowmeters are used. Founded in 1948 by Colin Macnaught and proudly 100% privately, Australian owned Macnaught are a design, engineering and manufacturing company supplying high quality products to the agricultural, industrial and automotive markets.

Macnaught's extensive range of products include hand and air operated grease guns, grease pumps and oil pumps, oil and grease control guns, oil and fuel meters and heavy duty auto rewind hose reels - all of which are supported by a comprehensive range of accessories.

Macnaught have an enviable reputation in more than 60 countries around the world for innovation in products tailored specifically to various markets needs. Macnaught prides itself on manufacturing excellence, developed from a thorough understanding of the robustness and durability that is essential, and ensures a quality product with unmatched reliability that will operate even in the harshest of industrial environments.


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Preso Meters is a fully integrated manufacturer of precision-engineered primary flow elements which has served the industrial, commercial and municipal markets for over 30 years.

Preso products include the patented Ellipse? pitot tube and the COIN? segmented wedge flow meter, three unique versions of Venturi-type meters and inserts and orifice plates and flanges. With this family of products Preso can provide a meter for any process that can be measured with differential pressure technology, often at calibrated accuracy of better than ?% of reading.

Preso also manufactures the B+?/b> and C+ metering and balancing valves, for the HVAC industry, as well as a line of FM-approved fire pump gauges and many other accessories including flow transmitters and test kits.

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Greyline Instruments was incorporated in 1986 to develop, manufacture and market industrial flow and level monitoring instruments.

Flow and level instruments utilize non-contacting, ultrasonic sensors. Products include Doppler and Transit Time flow meters (with sensors that strap onto the outside of a pipe) and open channel flow monitors for water and wastewater flow through flumes, weirs, open pipes and channels. These display, totalize, control and transmit flow rate of liquids. Models are also available for semi-permanent installation with portable units for flow troubleshooting and spot checks.

Level instruments measure liquid level with a non-contacting ultrasonic sensor. Models are available for local display and control applications, transmitters for connection to a PLC or process computer and pump controllers and multiple transmitters for tank farm systems. Greyline's own data logging software is also available for both level and flow instruments.

Greyline users are in municipal water and wastewater treatment and in varied industries including chemicals, mining, petroleum, pulp and paper, textiles and food processing. Key advantages are: non-contacting sensors, ease of installation, simple programming and reliable operation.

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In the 45 years since the company was founded, Rotork Actuation has become the name for excellence in the field of valve, sluice gate and damper actuation products for the oil, gas, power, water and wastewater treatment industries worldwide. Rotork has the product range, knowledge and the experience to deliver virtually any actuation solution from compact and manually operated gearboxes to large highly specialized actuators for use in extreme temperature and hazardous environments.

Rotork - Established leaders in actuation technology


SMAR (Nova Smar S/A)
Smar was founded in 1974 by Mr. Mauro Sponchiado and Mr. Jose Martinussi who took the initials of their names to form the company's name. The first area of the company's business was service to steam turbines in sugar refineries near Brazil.

Smar added in-house electronics expertise when electronic speed regulators were introduced for steam turbines in 1978. It soon developed electronic controls for sugar cane cutters and crushers. From there Smar developed a line of process control instruments for all industries. Smar surprised the instrumentation elite in 1991 by unveiling the LD301 pressure transmitter that incorporated HART protocol, PID control and flow integration all in one package. In 1998 Smar introduced its smart pressure and temperature transmitters to the world at the ISA show in Houston.

Currently, products are designed at the company's headquarters in Brazil and at two locations in the USA.


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STREAT CONTROL AUCKLAND WELLINGTON CHRISTCHURCH ph +64 9 575 2020 - fax + 64 9 575 7020 - click here to contact us