Lennox has expanded its light commercial Raider® rooftop unit line to include new 7.5- to 12.5-ton models, adding to its existing offering of 3- to 5-ton units. Designed for compatibility with many replacement installations, Raider units are built to fit the most curb sizes virtually eliminating the need for an adaptor curb on many replacement jobs. Available in gas/electric and electric/electric models, 3- to 12.5-ton units offer efficiency levels of up to 13 SEER, 11.5 EER, and 13.2 IEER.
The HSC Firepak™ from Armstrong features a compact design, which officials describe as a “plug and leave” design. The company also said it features readily available CAD drawings, specifications, dimensions, and pricing data.
Victaulic expanded its Vic®-300 MasterSeal™ butterfly valve line with a completely stainless steel option. The company says the new Series 461 stainless steel butterfly valve provides a cost-competitive option for the HVAC and potable water markets.
RBI has introduced the latest edition to its ultra-high efficiency condensing boilers and water heaters. The Infinite Energy2 (IE2) utilizes a state-of-the-art Radial Variable Circulation (RVC) stainless steel heat exchanger for maximum heat transfer and operating efficiencies of up to 98%.
The ABB Low Voltage Products division is offering a new line of heavy duty safety switches for commercial and industrial applications, meeting the necessary UL98, CSA, and NEMA KS-1 standards. The 600V and 200kA rated switches use the same globally rated bodies as ABB’s rotary-style switches, providing increased performance, reliability, and safety to the heavy duty market segment, according to ABB.
Groschopp Inc. has launched a family of brushless DC motor controls for its entire product line of BLDC motors and gearmotors. Designed to provide commutated power and variable speed control, the company claims these closed loop controls provide excellent speed regulation over a wide range of loads.
A new selection of test and measurement equipment called Digi-Sense™ has been introduced by Davis Instruments. The equipment includes temperature, humidity, airflow, and light meters as well as manometers in an expanding line of products. The company says the tools are rugged enough for rigorous use and arrive precalibrated for time and cost efficiencies.
E Instruments has unveiled its new AQ Comfort tool for IAQ monitoring. The all-in-one Instrument provides the indoor air quality monitoring and real-time data logging for IAQ analysis in homes, schools, offices, and more.
Baldor Electric Co.’s Dodge® Hydraulic ISAF bearing is now available with higher load ratings. The Hydraulic ISAF pillow block bearing with a patented hydraulic mount and dismount system is now available with higher capacity, 231 series spherical bearings, and is interchangeable with industry standard SDAF housing dimensions.
Bitzer is now offering a range of compressor units for use with the natural refrigerant ammonia (R717). The Bitzer ammonia compressor packs (ACP) are available with a capacity range of 100 to 450 TR. The modular compressor units comprise up to three compressors. For higher capacities, as many as three compressor packs can be connected (up to 9 compressors) and connected to a single controller, increasing the overall capacity up to 1,200 TR. The company says this is ideal for industrial systems.