Grundfos is extending its SL and SE range of wastewater pumps to include “medium,” “high,” and “super high” hydraulic offerings from 12 hp to 42 hp. Designed to handle raw, unscreened sewage, effluent and large volumes of surface and process water, the company claims the extended selection ensures the highest pump efficiencies over a wider range of demand and the largest free passage of solids at the lowest vibrations.
SPX Cooling Technologies, Inc. introduced the Marley® CP fiberglass, induced draft, counterflow cooling tower, designed for space- and sound-sensitive applications. The CP tower features a stainless steel structure and fiberglass reinforced polyester (FRP) casing, which the company says provides a strong, corrosion-resistant assembly. The Marley CP cooling tower is factory-assembled or ships in modules.
Viega’s new 45-degree elbows for Viega PEX Press systems allow users to install larger tubing with Viega’s press technology, according to the company. The new, polymer PEX Press 45-degree elbows are available in 1.5-in and 2-in sizes. The elbows feature Viega’s patented Smart Connect® feature, which allows water to flow past an unpressed fitting.
Johnson Controls has expanded its YORK line of YLAA Air-Cooled Scroll Chillers up to 200 tons. The company says the extended capacity of the YLAA offers a more cost competitive solution to 200-ton opportunities without sacrificing size, quality, and efficiency.
Quantech™ has expanded its line of QTC3 Air-Cooled Scroll Chillers up to 200 tons. The company says its new QTC3205 offers a more cost competitive solution to 200-ton opportunities without sacrificing size, quality, and efficiency.
Bonomi North America is introducing a new line of automated thermoplastic ball valves for use in plumbing, mechanical, chemical, and other applications. Listed with NSF to Standard 61 for potable water, the new valve packages offer a variety of advanced features that improve operation and enhance reliability, said company officials.
E2S Warning Signals is launching STEx, its latest family of explosion proof audible and visual warning devices. Optimized for use in fire and gas warning systems in offshore and marine safety systems, STEX is manufactured in 316L and 316 grade stainless steel to give enhanced corrosion resistance and extended operational life in hostile environments. The latest transducer technology in both the alarm horns and strobes aim to ensure high sound and light outputs with low-current draw, reducing the host system’s power requirements and potentially lowering the size of the UPS back-up capacity.
The new Luxaire® LX Series 14 SEER THE split system heat pumps and TCD air conditioners from Johnson Controls support 3-phase, 230/460-volt light commercial applications. The company says the air conditioners and heat pumps have been proven in field trials and Luxaire’s five-year accelerated testing that incorporates tested components and CSA and UL safety certifications. The company also says the products feature robust condenser coils constructed from durable copper tubing and enhanced aluminum fins for optimal heat transfer.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.