Seltech works in practically every market segment of industry. We try to look at each opportunity with which we are presented and offer the best solution for the service, drawing upon our engineering backgrounds and years of technical experience. Some or our more common applications are highlighted below:
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| Nuclear Power Plant |
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Power: Stack gas Oxygen analyzers and CEMS systems are used in the fossil plants along with conveyor belt scales for the flow of coal through the plant. Boiler trim provides reliable level gauging on high pressure steam drums. Flow meters measure the return condensate. TURBO-TOC Filtration sytems keep the Turbine Lube Oil Systems functioning properly by removing water down to 100 ppm or less.
Damper Actuators provide tight control on primary & secondary air flow. Motor Operated Valves (MOV) provide operational control on steam & other critical process lines. Nuclear plants also utilize magnetic sight gauges for condensate level, high purity water analyzers, PID controllers and alarm annunciators.
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Pulp & Paper: Conductivity & pH control, flow meters, level gauging for black & green liquors, conveyor belt scales and smart valve & damper actuators help improve plant performance upstream on the wet end. Moisture monitors check the paper for the desired results down on the dry end. Filtration Systems are used on the Lube Oils, Hydraulic Oils, and other critical fluids.
Combustion analyzers, H2S & ClO2 gas detection systems, strainer & bag filter systems, and monitoring lube oil for moisture are other typical products we provide into our local paper mills.
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Steel Plants: We have found that our Steel Plants are particularly fond of our Mass Flow Vortex Meters for all types of fluids including Argon, Oxygen, Nitrogen, Air, & Water. Filtration is needed for the huge amounts of cooling water used. There are also needs for monitoring temperature & pressure, high temperature oxygen analyzers, pH and conductivity systems, and numerous points for level gauging.
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| Mini Mill Steel Plant |
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Chemical: Level Gauging of chemical products & intermediates, with special expertise in "Interface" measurements; Also provided are steam and natural gas flow meters and control valves, temperature transmitters, oxygen analyzers, pH & conductivity monitoring, and filtration systems. Some plants use our "Perimeter Monitoring" package to be sure unwanted gases do not leave the plant and annoy neighbors.
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Refining: Measurement of stack gas oxygen on Cat Cracker Unit and various Boilers & Process Heaters; Other analyzers include H2S & BTU Analyzers (Gas Chromatographs), and CEMS Systems including Opacity.
Also provided are level gauges for process tanks (caustic & hydrofluoric acid) and on storage tank farms for gasoline, diesel, LPG, etc.
Control loops monitor pH and wastewater flow and MOV Actuators are used to open/close critical valves. Pressure Transmitters utilize our pre-insulated TracePak tubing bundles for sample lines and ViPak instrument enclosures for freeze protection. Lube Oil Filtration Systems protect critical applications and our Fast Flush system draws water off of the bottoms of storage tanks.
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| Unsurpassed Factory Support |
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Water/Wastewater: Measurement Systems for Dissolved Oxygen in aeration basins at a municipality for air control; Also provided are pH, Turbidity, Free Chlorine & Monochloramine measurements, gas detection systems (Cl, ClO2, SO2), thermal gas flow meters, and several styles of liquid flow meters such as Magnetic flow tube, Transit-time Ultrasonic, and Venturi flow tubes. Smart Actuators provide control on sluce gates, diverters, and large valves.
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Food & Beverage: Ultrasonic Level Gauging on flour silos at a bakery. Also available are strain gauge systems for retrofit that will weigh the product.
Flow meters are provided for the liquid yeast along with temperature monitoring systems. Many of our products are available in sanitary styles with 3A approvals to measure flow, level, temperature, etc. Sanitary sensors for pH, conductivity, ozone, etc are offered for liquid analysis.
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| Wireless Level Gauging |
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Wireless Level:
Some new jobs demand a fresh way of looking at things... like this water tank which required remote pump control with no power or wiring at the tank. Solar Panels/Batteries keep the system working 24 hrs/day providing a radio signal for tank level to a remote Monitor about 1/2 mile away, which then alternates using the two pumps to refill the tank when needed.
Other sytems utilize multiple RTU units to talk back to a Base Controller. Communication is bidirectional allowing remote control of pumps, valves, etc. Licensed Radio can easily work over 20-25+ miles using repeaters if needed, such as on a gas or liquid pipeline.
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| True Wireless Gas Detection |
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"True Wireless" Gas Detection & Fenceline Monitoring:
This Portable, Weatherproof & Wireless Gas Detection System also includes a GPS System and Weather Data for Haz-Mat Response needs. The RTU can be totally stand-alone with battery, solar panels for recharging and licensed UHF Radio for transmission of data 10 to 15 miles to the Base station.
Fenceline Monitoring systems typically have four RTUs transmitting in to the Base, with a second Base if desired, as a passive receiver for secondary data viewing. |
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| Crusher Control |
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Bulk Solids/Aggregate: Belt Scales on conveyors provide accurate flow control and Tramp Metal Detectors protect downstream systems; Weighfeeders, Moisture Monitors & Loss-In-Weight Systems for ingredients are also available.
Ultrasonic Level Sensors as shown provide consistent crusher control and monitoring of final product inventory.
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NOTE: Not all Products are sold in every territory.
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