Consulting-Specifying Engineer - August 2007 - (Page 48)

New Products Variable frequency drives Auxiliary switch Portable water circulators E H Variable frequency drives feature open communications and an enhanced user interface and display to provide an English-language menu graphical readout. The HVAC energy box, MCT 10 and USB-port interface enhance the accessibility and use of the product. VFDs are available from 1.5 hp through 600 hp at 460 volts AC and 600 volts AC, and 1.5 hp through 60 hp at 208 volts AC and 230 volts AC in either NEMA/ UL Type 1 or Type 12 enclosures. (VLT®HVAC by Danfoss Drives) www.danfoss.drives.com #1 200 psi at 100°F. (Model 72 Simplex Basket Strainer by Eaton) www.filtration.eaton.com #2 Auxiliary switch offers unidirectional 90° indexing. Its snap-action rotary design allows lever arm activation and break action time of approximately 10 ms. The switch is available with as many as 24 poles and has a continuous rating of 20 amps at 600 volts AC, and is available with a range of interrupt ratings. (Series 102 Auxiliary Switch by Electroswitch) www.electroswitch.com #3 E P Flow measurement system for hydrogen, natural gas and other gases in small line processes offers thermal mass flow sensing technology with built-in precision flow conditioning. The device’s standard outputs are fully scaleable 4 mA to 20 mA and 0 volts to 10 volts that are user assignable to flow rate and/ or temperature and a 0 kHz to Flow measurement system 1 kHz pulse output of total flow. The instrument is available with or without a built-in LCD digital display, and in local or remotemounted electronics configurations. (ST75V by Fluid Components) www.fluidcomponents.com #4 P Portable water circulators are designed for use with portable water systems. Three new models, offered in 13 varieties, include one single-speed pump and two circulators with multi-speed operation. The models are available with a standard union or two-bolt flange connection. The pump performance ranges from 0 ft. to 18 ft. of head and from 0 gpm to 25 gpm. (Water Circulators by Grundfos) www.grundfos.com #5 C High-end coax cables transfer HDTV or traditional video, digital or analog audio and cable television between electronic components. The High-end coax cables Basket strainers are low-cost protection for expensive piping system components such as pumps, instrumentation, spray nozzles and condensers. The free straining area is six times the cross section of the pipe area and the basket openings range from 0.5 in. to 40 microns. The strainers are available in bronze, carbon steel and stainless steel and rated to P Basket strainers 48 Consulting-Specifying Engineer • AUGUST, 2007 http://www.filtration.eaton.com http://www.fluidcomponents.com http://www.danfossdrives.com http://www.electroswitch.com http://www.grundfos.com

Table of Contents Feed for the Digital Edition of Consulting-Specifying Engineer - August 2007

Contents M/E Roundtable Giants 100 Pullout Poster Giants Stand Tall: CSE Giants 100 Report Electrical Design for Tall Buildings HVAC and Fire Safety for Elevator Systems How to Beat the Codes GAS Technology Supplement Recovering Waste Heat from Boilers New Applications for Tankless Water Heating Systmes Techniques Improve for Powder Coating MDF New Tools Available for Heat Treating Steel Direct Drive Engines

Consulting-Specifying Engineer - August 2007

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