Product Showcase

July 1, 2002
The patented Blacoh Spill-Stop? is designed to prevent chemical spills caused by the failure of diaphragms in air operated diaphragm pumps. It's patented design captures any contaminated exhaust air or liquid leaked through a ruptured diaphragm. A float-controlled valve shuts off the compressed air supply to the pump, insuring no further liquid is pumped through the failed diaphragm.

Pump spill prevention

The patented Blacoh Spill-Stop® is designed to prevent chemical spills caused by the failure of diaphragms in air operated diaphragm pumps. It's patented design captures any contaminated exhaust air or liquid leaked through a ruptured diaphragm. A float-controlled valve shuts off the compressed air supply to the pump, insuring no further liquid is pumped through the failed diaphragm. The valve can automatically turn on a standby pump or trigger an alarm for immediate response.

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Blacoh Fluid Control Inc.
Riverside, CA
Tel: 800-603-7867
Web: www.blacoh.com

Priming valve

LMI Milton Roy has developed a new accessory for its metering pumps that allows for the constant removal of vapors and gases in sodium hypochlorite and hydrogen peroxide applications. The new AutoPrime Valve primes automatically and functions as an air-gap, anti-siphon valve. Pump output is regulated by venting the discharge to atmosphere during each stroke, eliminating the need for a back-pressure device. In addition, it provides a vertical discharge, traditional in pump applications. The unit offers a flow range of .08 to 5.0 milliliters per stroke with a maximum pump output of eight gallons per hour. Stroke rates are five to 100 per minute with a stroke length of 30% to 100%.

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Liquid Metronics Inc.
Acton, MA
Tel: 978-263-9800
Web: www.lmipumps.com

Fail-safe actuators

Rotork has introduced the Skilmatic™ line of electric fail-safe linear and quarter-turn actuators. The line includes modulating, isolating, emergency shutdown (ESD), and spring-return models. The actuators are specifically designed to provide a solution for automatically positioning a wide range of valves or dampers in a safe condition on loss of power and modulating control with a resolution of <0.25%. The actuators are compact, self-contained units that have a minimal number of moving parts. They incorporate electrical operation with precise hydraulic control and spring-powered fail-safe action. They operate from a standard 230/110V AC supply and are energy efficient. The internal spring-return mechanism can be configured to close, open, or lock in position in the event of a power or system failure.

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Rotork Controls, Inc.
Rochester, NY
Tel: 585-328-1550
Web: www.rotork.com

Submersible sensor

Instrumentation Northwest has introduced the AquiStar® PT2X Smart Sensor with built-in datalogging. Measuring pressure, temperature and time, this industry standard digital interface device records more than 500,000 datapoints in non-volatile memory and operates on low power. The unit is programmed using a laptop or desktop computer via its RS232 connector, a RS485/RS232 adapter and INW's Aqua4 software. Once programmed, the unit will measure and collect data at a variety of time intervals. Units can be used to monitor groundwater, well, tank and tidal levels, as well as for pump testing and flow monitoring.

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Instrumentation Northwest Inc.
Kirkland, WA
Tel: 425-822-4434
Web: www.inwusa.com

Portable spectrophotometer

Hach Co. has released the new DR/2400 Portable Spectrophotometer, which combines advanced optics; comprehensive testing and data management capabilities; touch-screen operation; and complete transportability. Users benefit from a high-performance optical system that boasts specifications typical of laboratory units. The touch-screen user interface makes it easy to access more than 130 direct-reading tests and navigate through all analytical functions. Operators can use battery or line power to put this colorimetric analysis system to work anywhere throughout the process, in the field, or in the lab. Automatic wavelength calibration and wavelength selection further simplify on-site analysis.

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Hach Co.
Loveland, CO
Tel: 800-227-4224
Web: www.hach.com

Decanting centrifuge

USFilter Dewatering Systems has added a horizontal decanting centrifuge, named J-Spin, to its line of dewatering technologies. The centrifuge provides a cost-effective solution for dewatering and thickening biosolids continuously. An automatic centrifuge control system, ACCS, allows the operator to fine tune the high g-force system to deliver optimum performance. USFilter Dewatering Systems offers an extensive range of dewatering technologies. Its laboratory can provide a complete analysis of dewatering requirements, selecting the best dewatering/separation technology to fit specific needs.

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USFilter Dewatering Systems
Holland, MI
Tel: 800-245-3006

Sewer cleaning

The Jet Force® Sewer Cleaning System by Vacuum Source is available in three distinct models: Skid-Mounted for use with any full size pick up truck, Trailer-Mounted with a 410 gallon fresh water tank, or incorporated into the VaXcavator® as a low cost alternative to street truck usage. Powered by a 24 hp Honda gasoline engine, or optional 43 hp diesel engine, the system is capable of cleaning residential and mainline sewers from 4 in. to 12 in. in diameter, with runs up to 300 ft. in length.

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Vacuum Source Inc.
Greer, SC
Tel: 888-873-7539
Web: www.vacsource.com

PE pipe fusion

McElroy Manufacturing has improved its fusion machine for polyethylene pipe. The new TracStar 500 Series II adds strength and versatility to the original TracStar 500. The TracStar family has been expanded to include 8 in., 12 in., 18 in. and 36 in. offerings. The self-contained, self-propelled, all-terrain hydraulic fusion machines, introduced in 1997, feature a removable jaw assembly. New features include a redesigned carriage system that has been expanded and reinforced to accommodate 20 in. pipe. Along with this, the unit is now available with the Coach Fusion Control System or DataLogger compatible conventional hydraulic controls.

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McElroy Manufacturing, Inc.
Tulsa, OK
Tel: 918-831-9287
Web: www.mcelroymfg.com

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