Greenheck’s heavy duty, rectangular industrial isolation control damper, Model HCD-221, incorporates the square-blade design found on Greenheck’s bubble tight damper. The square-blade design enables the damper to provide shutoff with very low leakage in HVAC or industrial process control systems.
Weil-McLain® has developed its new Stainless Steel Vertical Firetube (SVF) featuring a thermal efficiency up to 97.1%. Available in 750 and 1,100 models, the SVF line features a clover-shaped stainless steel fire tube heat exchanger for corrosion resistance, a new and bold exterior look, and simple, user-friendly controls to make installation and operation easy.
LG Electronics has launched its redesigned Heat Recovery Units (HRUs) in the United States. Previewed at AHR Expo 2018, the company claims the the upgraded HRUs offer enhanced installation flexibility, an improved system pipe configuration, as well as the addition of six- and eight-port models.
Carrier announced the commercial availability of its AquaEdge® 19DV in North America. The centrifugal chiller features Greenspeed® intelligence and a low global warming potential (GWP) refrigerant R1233zd(E), which has a GWP of ~1. Carrier officials said the AquaEdge 19DV has an efficiency that is more than 40% higher than ASHRAE® 2016 guidelines, has low sound, and is capable of series counterflow configurations.
KOHLER and KOHLER-SDMO has expanded the KD Series with the rollout of several new generators ranging up to 3,500kVA/3,250kW. The newest KD Series diesel industrial generators are powered by two new compact KOHLER V16 engine models.
LG Electronics USA Air Conditioning Technologies has expanded its line of vertical air handling units (VAHUs). The new VAHU units feature a number of upgrades, most notably four-way installation capabilities. With four-way installation, the new LG VAHUs can be installed vertically, horizontally from the left and right, or inverted with a down flow conversion kit.
The Outdoor NeoTherm is a direct vent, sealed combustion, condensing boiler or volume water heater designed specifically for outdoor installations. Company officials said these systems meet or exceed all applicable ANSI testing demands for outdoor use, and reach thermal efficiencies as high as 97%.
Engineered Systems magazine’s June 2019 issue examines the role of HVAC systems and power in colleges and universities via the decentralization of a Missouri college’s central boiler plant, an examination of ventilation considerations in Group R-2 facilities, the steps engineers should consider when overcoming unanticipated boiler room setbacks, common calculations and considerations regarding NFPA 92, and much more.