The Telemecanique Osisonic ultrasonic sensors are suited for difficult environments because they're unaffected by dust, ambient noise or temperature fluctuations. They're also resistant to chemical agents and can handle sealed products. The built-in learning function of these units simplifies set-up and their compact size makes them adaptable to many environments. The cylindrical sensors are available in 12mm and 18mm (proximity mode) and 30mm (proximity or reflex mode). These devices have a sensing range of 6mm to 1 meter, depending on the model. Applications include food processing, packaging, automotive or paper production because they handle multiple materials without adjustment.

Schneider Electric

The Dynatrol® Proportional Level Control for liquids is designed to control a liquid level in pilot plants, small vessels or anywhere it is necessary to obtain proportional level control over a band of three-quarters of an inch or less. The Converter output is a 1 to 5 milli-amp direct current signal which can be used to activate electro-pneumatic transducers, valve positioners, indicators or other d-c current devices. The units are approved for Class I Group D, Division 1 Services. The level switch is mounted through a 3/4" half-coupling at the point of desired level detection, eliminating costly flanges, float chamber or fittings.

Automation Products, Inc.

The multifunctional Promass 83E is designed for simultaneous measurement of flow (mass and volume), density and temperature. With an accuracy of ±0.30% in liquids and ±0.75% in gas, the unit can improve product quality and reduce waste. Highly sophisticated welding techniques ensure lowest impact on zero point stability due to changing process conditions. The fully welded design also makes it suitable for hazardous applications; there are no internal flow gaskets. A self-draining sensor prevents plugging or buildup. Application specific Quick Setup menus for straightforward programming use four line back-lit display with push button operation and guided setup. A self-diagnostic function helps with troubleshooting. Communication is via HART®, Profibus-PA/DP or Foundation Fieldbus.

Endress+Hauser Canada Ltd.

Several new fast loop Balston® sample filters which offer the benefit of real time sampling with high efficiency filtration are now available. The unique pattern flow continuously flushes the filter cartridge carrying the contaminates back out to the process stream, thus maximizing the filter cartridge life. Axial velocity flushes the bulk contaminants through the filter housing back to the process stream. The sample stream passes through the filter cartridge wall with low flow and radial velocity. The clean side of the sample filter system has very low volume which minimizes the lag time. Filter cartridges are offered in a wide range of efficiencies from 100 micron to 0.01 micron, several of which are cleanable and re-useable.

Parker Hannifin Corporation

The MUX2700G HART® Multiplexer provides 32 single channels for connection to "smart" transmitters or control devices, while supporting HART standard digital communication. They function at RS-485 communication speed, with standard operation at up to 38.4 Kb/sec. These units offer channel-to-channel isolation and eliminate complicated master/slave configurations. They serve as a gateway between the workstation and field instrumentation by interrogating each field device under worksta  tion supervision and storing the information in its internal database for quick, easy access.

Pepperl+Fuchs Inc.

Neptune has added new liquid-end options to its line of Series PZ electronic diaphragm pumps. Now available are Kynar (PVDF) and 316ss liquid ends, in addition to the PVC and Acrylic models. The series PZ metering pump is ideal for accurate, reliable injection of a wide range of liquid materials, including chemicals, nutrients and disinfectants. The pump features a new design that eliminates the need to change pump models to match the available voltage and can operate on any single phase voltage from 94 VAC to 264 VAC.

Neptune Chemical Pump Co.

Hayward has expanded its line of TOPLINE® single bag stainless steel filter vessels to include carbon steel vessels. They are specifically designed for the most demanding industrial and commercial liquid filtration applications. The filter vessel features a side inlet, flow through the top design that results in a minimum headroom of unfiltered liquid for easier bag changeout-as well as providing optimum sealing of the filter bag for no-bypass filtration. Complete and thorough cleaning of the interior is made easy by the vessel's smooth, bead blasted finish and unique two-weld design. Applications that require the installation of gauges, vents or pressurized air connections are easily accommodated by two  1/4" NPT threaded cover taps.

Hayward Industrial Products Canada, Inc.

Factory-engineered and pre-assembled Modular Process Systems offer a turnkey solution to material processing for a variety of industries including grain and milling, plastics, chemical, foundries, mining and more. The systems include the structure and individual equipment as required: such as the Kice Multi-Aspirator®, cyclones, fans, filters, airlocks, spouting, automation and more. Existing plant equipment can also be integrated into a more compact, easier-to-operate system.

Kice Industries, Inc.

The MCF filter eliminates external shaft and drive seals, requires less maintenance and has a simple design with very few wear parts. The mechanically-cleaned filter utilizes an innovative magnetically coupled drive technology that moves the cleaning disc without the need for external shaft or drive seals. Its simplified filter design also means there are very few wear parts, resulting in less routine maintenance and smaller spare parts inventory. MCF paint and coating filters are suitable for highly viscous liquids such as paint, adhesives, resins, or similar materials -- as well as applications that require high filter media cleaning frequency. When utilizing the MCF filter, filtrate flows from the top down and from the inside of the media toward the outside to increase retention of contaminants. The patented design uses a four-way spring-loaded cleaning disc that travels up and down inside the filter media -- removing collected contaminants. The cleaning disc continually drives undesirable solids downward, where they are concentrated in the purging chamber for easy elimination.

RPA Process Technologies

Ceramacast™ 645N is a new high temperature ceramic casting material used to encapsulate and insulate high temperature flow meters and pressure and temperature sensors used in the foundry, refining and chemical processing industries. It is a fused silica based ceramic compound used in a variety of high temperature devices to 3000°F. Key attributes include excellent bonding to ceramics and metals, ultra low thermal conductivity, high dielectric strength of 300 volts per mil, high compressive strength of 7,000 psi and excellent chemical resistance. It is a simple to use compound, provided in powder form and mixed in a ration of 100 parts powder to 15 parts water. Containing no volatile organic compounds, it can be applied easily by syringe, squeeze bottle or automatic dispensing equipment.

Aremco Products, Inc.

Toggle-Aire® Process Controls let users monitor ram force and ram position precisely and export the information to data acquisition software packages. Featuring a variety of display and signal conditioning devices which can be included to meet specific customer requirements, they can be supplied with all new Toggle-Aire® presses and rotary indexing machines or can be retrofit. Allowing users to specify the type of process monitoring they require, the controls are available for all 1/2 to 10 ton presses and rotary indexing machines.

Toggle-Aire® division of Joraco, Inc.

This wire-free standalone turnkey monitoring and identifying package is designed for refineries. The Accutech self-powered package pinpoints internal process gas leaks of devices that are supposed to be closed; it reports "everything is OK" status, as well as any communications errors, 24/7. The wireless system can identify process leaks that are not detectable by any other technique and identifies them right at the source. The field units bolt on to installed valves using simple brackets. With a range of up to 3,000 feet, the system consists of fully-integrated sensors and battery-operated field transceivers with a five-year battery; a base radio transceiver, capable of communicating with up to 250 field units per second and offering several output options including RS 485, Modbus, 4-20mA or both digital and analog; software for data management and exception reporting and full integration to legacy systems.

Accutech

This line of application rings allows simplified mounting of gauges and switches while isolating the instrument from the process fluid. As process liquid flows through the isolation ring, pressure is transmitted through the 360° internal flexible cylinder to the gauge to provide accurate readings. There are no access ports in the design of the ring, so there are no collection points for the buildup of solids or openings that can plug and interfere with the accuracy of your readings. The isolation rings are actually self-cleaning because the inner flexible cylinder is the same diameter as the inner diameter of the piping, so it's continually cleaned by the flowing liquid. A needle valve that is integral to the design of the isolation ring allows one to remove the pressure instrument for calibration, repair or replacement without shutting down the process flow.

Hex Valve

Chemfluor® FEP, PFA and PTFE tubing offer excellent chemical and physical properties and can be used in numerous highly demanding applications. In addition to being chemically inert, the tubings can operate in temperatures ranging from ­450°F to 500°F depending on the polymer type. The tubes are pure and non-contaminating because no plasticizers or fillers are used. They are non-toxic and meet FDA criteria for contact with food. Typical applications include chemical transfer, analytical and process equipment, general laboratory use, flow meters, hose and pipe liners, site gauges and valve and pump linings.

Saint-Gobain Performance Plastics Corporation

The Telemecanique Osiprox proximity sensors eliminate the setup and mounting problems associated with conventional flush mounted models in metal environments. Their extremely compact bodies integrate easily into a machine or process. These sensors are ideal for packaging, handling, assembly and machine tool applications. An advanced microprocessor design also makes them auto-adaptable: each sensor automatically adjusts to give the maximum sensing distance regardless of the type of metal environment. A single touch of a self-teach button programs the sensor for its envi  ronment and is also used to make any precision adjustments. Quick mounting brackets make the sensor easy to install or replace.

Schneider Electric

Since the series GFM gas mass flow meter measures mass flow, the device is undaunted by fluctuations in line pressures and temperatures by providing an accuracy of ±1.5% of full scale. The series operates with clean gases which are compatible with the 316 stainless steel wetted parts. This unit is able to withstand pressures up to 500 psi, has a flow rate range from 0-10 sccm to 0-1000 L/min and an operating temperature from 32 to 122°. Applications include semiconductor, automotive, food & beverage, pulp & paper, gas chromatography, pollution monitoring, medical & laboratory and more.

Dwyer Instruments, Inc.

Canadian Industrial Equipment News May 2004

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