The Grundfos PACO-brand LCS split-coupled end suction pumps are now available for sale in the United States. According to the company, LCS is ideally suited for liquid transfer in chilled water, condenser water, pressure boosting, district heating and cooling, and air-conditioning applications. Its compact design provides hydraulic performance equal to that of a frame-mounted, long-coupled design with the added benefits of a smaller footprint.
Toshiba International Corp. now offers the Energy Star-certified Toshiba G9000 uninterruptible power supply (UPS) system in 1000 kVA/1000 kW capacity. The G9000 line of UPSs are true online, double-conversion UPS systems providing power at up to 97% efficiency. The company says this is the largest unit yet in the G9000 product line, and is ready to ship from the manufacturing and engineering facility in Houston.
Uponor North America has introduced six new ProPEX® Lead-free (LF) Brass CPVC Adapter Fittings for transitioning from CPVC to PEX in commercial plumbing and hydronic distribution piping systems. The fittings, which are available in 1.25-, 1.5- and 2-in sizes, are offered in a spigot and a socket adapter and all feature Uponor’s ASTM F1960 ProPEX expansion system for connecting to PEX piping.
Standex-Meder Electronics has released the SX41 Series of planar transformers for 500W-2KW applications. Available in standard or custom designs, the SX41 aims to deliver high performance for power conversion applications in several areas including renewable energy.
Baldor Electric Co. introduced a new line of energy efficient electric motors. The Large AC – GPM induction motor is available up to 1,500 hp. Large AC – GPM motors are available in stock ratings of 250 – 1,000 hp, 2300/4000 Volt, totally enclosed fan cooled (TEFC), foot mounted designs.
RectorSeal® Corp. introduced the RectorSeal Blue+™, a non-setting, multi-purpose, lead-free, blue-colored pipe thread sealant approved for use with multiple plumbing and HVACR residential, commercial, and industrial applications. Blue+ is unrestricted for use with all threaded metal, polyethylene, fiberglass reinforced, PVC, CPVC, and ABS pipe.
Para Systems, Inc. has unveiled the latest addition to its line of power protection products with the all-new EnTerra Series of 3-phase UPSs. Designed to protect equipment in the IT/networking, industrial, medical, and enterprise security sectors from all types of power problems, the EnTerra series is available for 50 or 60Hz applications ranging from 10kVA to 40kVA. Parallel options up to 160kVA are also available. The line provides a host of standard features including on-site startup, SNMP communications card, and a full two-year warranty, along with up to 94% system efficiency and simplified sales and ordering processes.
Air Pollution Control has introduced the Stinger™, an explosion isolation valve that isolates dust collector explosions to prevent a deflagration from traveling back through the inlet pipe of the dust collector into the workspace. Following extensive testing, Camfil APC reports that the Stinger is the first U.S.-made explosion flap valve to be certified by an independent testing agency to comply with NFPA standards. It may be retrofitted onto most dust collection systems and used with new or existing Farr Gold Series® dust collectors where the risk of a combustible dust explosion exists.
HEMCO says its Modular CleanLabs feature a modular construction design that is cost effective and time efficient compared to traditional construction. An entire laboratory workspace is pre-engineered including the structure and the lab furniture/fume hoods to outfit the interior.
MacroAir says it has improved on high volume, low speed (HVLS) fan technology with its new product line called AirVolution-D. MacroAir’s AirVolution-D is powered by a motor technology called D-Drive, which is a compact electric motor capable of handling the consistent torque requirements of a 24-ft diameter industrial fan. At the heart of AirVolution-D is a motor design which the company says delivers 50% more mechanical horsepower and 75% more wind power than current HVLS fans on the market.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.