Feb. 1, 2004
Phoenix Contact now offers PSR safety relay modules specially designed for process applications with optimized startup behavior approved to SIL3 / IEC 61508.

Safety relays

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Phoenix Contact now offers PSR safety relay modules specially designed for process applications with optimized startup behavior approved to SIL3 / IEC 61508. Until now, conventional safety relay modules have had a very high startup current that the control system interprets as a short circuit. The PSR modules provide two safely isolated redundant normally open contacts and one normally closed contact that can switch up to 250 vAC/6A in a 22.5 mm housing. These compact safety relays are used to electrically isolate field applications from the control system or to adjust the voltage or power. In addition to being used in safety-oriented control systems, these relays form an integral part of the safety chain for electrical and electronic applications in process technology and mechanical engineering.

Phoenix Contact Inc.
Harrisburg, PA
Tel: 800-322-3225

Odor control

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Met-Pro Corp. has entered into an exclusive license agreement with BNF Aromatrix Pte. Ltd. to market, sell, manufacture and use AroBIOS™, a biological process for the control of odorous gases, particularly from municipal wastewater treatment facilities. The process employs biological trickling filter technology and does not require the use and storage of chemicals.

Met-Pro Corp.
Owosso, MI
Tel: 989-725-8184

Modeling system

Mike Urban, from DHI, is a GIS-based model building and management tool with three powerful simulation engines – two for collection systems and one for water distribution. It integrates water quality, fire flow, real time control and water hammer for water distribution systems. It integrates water quality, sediment transport, real time control, and long-term statistics for collection systems.

DHI Inc.
Newtown, PA
Tel: 215-504-8497

Power winch

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Thern offers a power winch designed to raise and clean pivoting filter screens. The winches are available in a range of sizes and types and mounting, making them suitable for use in filter installations of every design. For explosive or highly corrosive conditions, special rated motors and controls are available. Drums are easily modified with grooving for even wire rope spooling, or lengthened for longer lifts.

Thern, Inc.
Winona, MN
Tel: 800-843-7648

Centrifugal pumps

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Magnatex Pumps offers its MMP Series Pumps, designed specifically for low-flow, low-head applications. These magnetically driven, sealless centrifugal pumps provide efficient, leak-free pumping of flows from 1/2 to 20 gpm, heads to 90 feet and pressures to 85 psig. The pumps use the company's exclusive "straddle bearing" design which reduces shaft load and bearing wear. They are furnished with shaft, thrust ring, sleeves and bushings made of Beta sintered silicon carbide material.

Magnatex® Pumps, Inc.
Houston, TX
Tel: 713-972-8666

Pressure transmitter

Viatran has launched the WW517 submersible pressure transducer for wastewater applications. The unit is a 316L liquid level transmitter with a 3" diameter opened faced Teflon coated sensor. It is designed for instances where the media is "sludgy." It features all welded transmitter construction and ranges down to 27" WC. The transmitter can be calibrated remotely using the optional HART protocol. The all-welded sensor design eliminates the need for an O-Ring seal, thereby eliminating potential leak paths.

Viatran Corp.
Grand Island, NY
Tel: 716-773-1700

DC drives

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The Dart Controls digital MD Series of closed-loop DC drives is available with an isolated 4-20 mA input/output modular option board. Customers get the DC motor drive, 4-20 mA input/output, digital display, and relay outputs for pump running and fault alarms all in one package. Custom faceplate artwork is available.

Dart Controls, Inc.
Zionsville, IN
Tel: 317-733-2133

Meter encoder

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Neptune Technology Group has introduced its new electronic absolute encoder. The new E-Coder is a totally digital, battery-free encoder that is fully compatible with previous generations of the company's meter reading and AMR systems for consumption readings. When connected to the company's second-generation R900 radio transmitter, the encoder provides advanced features including true leak detection, tamper and backflow detection, and 8-digit meter readings every time a reading is transmitted.

Neptune Technology Group Inc.
Tallassee, AL
Tel: 800-448-2943

Portable gas monitor

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With over 250 versions available, the Eagle portable gas monitor from RKI features readout of up to six combinations of gases including the widest range of detectable super toxic gases such as PH3, Cl2, NH3, HCl, HF, and O3, which make it an ideal solution for water/wastewater facilities. Standard features on the monitor include PPM and LEL hydrocarbon detection, autocalibration, an industrial strength internal sampling pump with a 125' range and automatic low flow pump shut off, 30 hours of continuous operation on alkaline batteries, and methane elimination switch for environmental applications.

RKI Instruments Inc.
Hayward, CA
Tel: 800-754-5165

Metering pump

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The Moyno® Metering Pump is designed for metering low-flow liquids in a wide range of processing applications including dosing, sampling and metering. Its progressing cavity design results in a smooth flow free from pulsations and variations in velocity and volume. This prevents material waste or mixture imbalance. Additional advantages and features of the pump include sealed universal joints for longer life; pressures to 300 psi; flow rates from 1 gph to 190 gph and a wide variety of materials of construction.

Moyno, Inc.
Springfield, OH
Tel: 877-486-6966

Level controller

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Sigma Controls has introduced its new Myriad LC1 Digital Level Controller. This user-programmable microprocessor based indicator accepts all standard input signals. It is housed in a NEMA 4 enclosure. The PC board is removable and the graphical LCD backlit display provides both digital and bar graph level readouts with user selectable engineering units. Four solid state digital inputs and four solid state outputs plus two form "C" relay outputs with setpoint and dead band adjustments add to user flexibility.

Sigma Controls, Inc.
Perkasie, PA
Tel: 215-257-3412

Redesigned pump

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LMI Milton Roy has redesigned its Series A pump. Maintaining the same size footprint of previous models, the new pump offers a number of enhancements. The newly redesigned housing improves the drive's heat transfer properties, as it generates heat farther away from the electronic components to maintain the long-term integrity of the PC Board. Electrical connector attachments have been repositioned to the front of the pump for access.

LMI Milton Roy
Ivyland, PA
Tel: 215-293-0401

Pressure transducers

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Pressure Systems, manufacturer of KPSI™ Level and Pressure Transducers, has introduced a new line of transducers that enables programmable adjustment of the pressure range in the field. In addition, the transducers offer improved thermal compensation, increasing overall accuracy up to ±0.25% Total Error Band (TEB) over the entire compensated temperature

Pressure Systems, Inc.
Hampton, VA
Tel: 800-678-7226

Oil/water separator

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ecoSep®, from Royal Environmental, is a below grade oil/water separation unit that can help keep water clean from oil contaminants. The unit permanently separates oil from water and allows virtually no oil emulsion formations to develop. The system is designed for use in point-source and industrial stormwater applications and requires no external energy supply. Full access to all major components allows for cleaning and maintenance. An automatic shutoff valve (ecoStop) provides protection against unexpected spills or maintenance neglect when maximum oil storage capacity is reached or when a certain liquid level is exceeded.

Royal Environmental Systems Inc.
Stacy, MN
Tel: 800-817-3240

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