Positive air flow pressure and exhaust ventilation systems require highly sensitive, reliable solutions to alarm workers if their system detects potentially damaging changes in air flow.
Plant engineers and maintenance staff are often responsible for ensuring the reliable operation of positive air flow pressure and exhaust ventilation systems for clean rooms, labs, analyser houses or production areas.
These workers will find the FLT93F Flow Switch from Fluid Components International (FCI) provides them a sound solution to monitor and alarm if their system is degrading, not operating to specifications, or has shutdown.
Positive air flow pressure and exhaust ventilation systems are designed to ensure contaminants are continuously prevented from entering an area or are removed from an area to maintain a safe, healthy closed environment.
These systems are found in a wide range of settings, such as clean rooms, research laboratories and production environments, as well as analyser houses and sheltered areas.
Many industries make use of these systems, including the pharmaceutical, biotech and medical industries, as well as chemical plants, refineries and power plants.
These specialised environmental air systems use fans to maintain a higher than ambient air pressure environment inside a designated area to ensure clean, contaminant-free air and/or strong exhaust fans to remove hazardous fumes.
With its SIL 2 rating, the highly accurate FLT93F Flow Switch is ideal for use when these sensitive application environments are part of a safety instrumented system (SIS) requirement.
The FCI Model FLT93F Flow Switch is specifically designed for air and gas flow detection. It is both fast responding and capable of detecting even very slight changes in air flow.
They are available in a variety of process connections for ease of installation in almost any pipe, vent, or duct size.
Its universal power supply supports powering by 115 VAC, 230VAC or 24 VDC. Its trip-point/alarm points are easily user-set in the field, at the installation.
It comes standard with fail-safe, heavy-duty dual alarm (SPDT) or DPDT relay outputs, rated 6 amps at 115 Vac, 240 Vac or 24 Vdc.
The FLT93F Flow Switch’s flow sensor element is an all-welded design and constructed of premium 316L stainless steel. It has no moving parts to break or orifices to foul or clog so there is no required routine maintenance needed.
The flow switch instrument is available in a choice of rugged, all-metal enclosures that are NEMA 4X/IP66 rated for long service life in the most demanding installations and environments.
Electronics can be mounted integral with the flow element or remote mounted a distance away from hazardous areas.
For applications in potentially explosive dust or gas environments, the FLT93F is also suitable for installation in Div.1/Zone 1 areas and certified to local standards of FM, FMc, ATEX, IECEx, NEPSI, EAC, Inmetro, UKCA, and EQM/ECAS.
It also meets the EC directives for EMC and LVD and the flow element complies with Canadian Electrical code requirements of ANSI/ISA 12.27.01-2011 as a single seal device.
For further information contact AMS Instrumentation & Calibration Pty Ltd on 03-9017 8225, or Freecall (NZ) 0800 442 743, alternatively on email: [email protected] or visit our web site at www.ams-ic.com.au
This sponsored editorial is brought to you by AMS. For more information, visit www.ams-ic.com.au.
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