The Ashcroft 1305D series portable deadweight tester is a pressure calibration system that includes a low range and high range piston assembly, weight set, a hydraulic (oil) test pump to generate test pressures, metal carrying cases, tools, and other accessories.
Two new models of duct heaters are now available from Greenheck. Model IDHB is configurable for most applications in sizes up to 36 in by 36 in. Model IDHC is customizable with enhanced features and a maximum heating capacity of 475 Kw.
Generac Power Systems is now shipping its 400 kW gaseous-fueled standby generators, and also unveiled a new 350 kW gaseous-fueled standby generator to its nationwide dealer network. As a single unit or configured in parallel up to 6 MW, the 400 kW and 350 kW generators provide a powerful natural gas alternative to diesel standby power systems, according to the company.
FS-Elliott Co., LLC has released the R1000, the newest addition to the Regulus® control system line. The R1000 introduces new features that together enable plant operators to deal with energy costs. The control system features Ambient Compensation Control, a local control mode designed to automatically adjust the compressor set point based on changes in ambient conditions.
Baldor Electric Co. introduced a new line of electric motors – Super-E motors with Baldor Shaft Grounding Brush. Stock ratings available include 1 through 50 hp in Totally Enclosed Fan Cooled (TEFC) or Open Drip Proof (ODP) Foot Mounted designs along with .5 through 5 hp in TEFC, C-Face Foot Mounted designs. The new Super-E Motor with Baldor Shaft Grounding Brush is designed with a carbon brush mounted internally to divert shaft currents away from motor bearings, thus increasing the life of the bearings.
Bosch Thermotechnology has introduced its Heatronic 4000 commercial boiler control for producing and maintaining a set target temperature in up to four boilers. The Heatronic 4000 controls and monitors both condensing and non-condensing commercial boilers that have modulating, single-stage, two-stage, and dual fuel burners. The company claims the BacNet® and Modbus® compatible burner controller allows for a more flexible, cost-effective mixed boiler plant solution, providing better system control, energy efficiency and overall boiler performance.
Berner International Corp. has added single-length 7-, 8-, 9-, and 10-ft long models to its ANSI/NSF 37-certified E-Zone and K-Zone (EZN and KZN Series) air curtains designed for energy savings and flying insect control. The EZN and KZN Series are now available in nine widths ranging from 3 ft to 10 ft, which the company says eliminates the inconvenience and mismatches of combining smaller sizes to create a longer air curtain.
Kohler Power Systems has launched its redesigned and expanded Automatic Transfer Switch (ATS) product line, designed and manufactured in-house to work with the company’s full range of backup power solutions. The company offers gas-powered units from 25 kW to 400 kW and diesel-powered units from 10 kW to 3,250 kW. To meet the wide variety of demands for the applications its generators are used in, such as data centers, healthcare, water and waste water treatment, the company has created a new line of ATS product offerings flexible enough to meet these demands.
Wilo USA has introduced its new Stainless Steel Closed Coupled (BLZ) centrifugal pumps. The pumps are base-mounted featuring end suction-centerline discharge design, compact design, a foot-mounted volute, and permanently lubricated ball bearings. BLZ series pumps, which are suitable and approved for pumping clean, potable water, are easy to install, operate, and service, according to Wilo reps.
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.