The new Valbia® VB008 Mini quarter-turn direct-mount electric actuator measures 4.75-in long by 2.75-in wide. Used with .25- to 1.25-in full-port direct mount ball valves, the company says it provides the compact and reliable automatic flow control for a wide range of HVAC, light industrial, and OEM applications.
The model 14359 UL/C-UL Listed Class 2 Transformer from Foster Transformer accepts line voltages of 120, 208, 240, and 480 V, 50/60 Hz, allowing near universal application. Its 24V, 75 VA rating provides ample capacity for most low voltage control applications, and its integral wiring compartment simplifies field installations, according to the company.
The WSG30™ system from Sensaphone® provides 24/7 remote monitoring of HVAC units, refrigerators, and freezers. It is ideal for locations where hard-wiring sensors are difficult or cost prohibitive. The WSG30 system is a web-based monitoring system that uses wireless sensors to detect problems such as temperature changes (from -109°F to 115°F), humidity fluctuations, water leaks, and power outages. A single WSG30 unit can support up to 30 wireless sensors.
Eaton Compressor has released its all-new 1,200 cfm refrigerated air dryer, an energy-efficient air dryer system that comes with an aluminum refrigerated air inner cooler. The refrigerated compressed air dryer purifies compressed air by chilling to condense moisture. It has a design condensate which is drained and carries out oil and dirt particles away from the air.
Kohler Power Systems is launching a new Mobile Paralleling Box, which the company claims delivers cutting-edge flexibility by allowing users to combine different sized generators with different fuel types. The new paralleling box is specifically designed for use with Kohler’s gaseous and diesel mobile generator line.
SWEP reports that it is the first company to provide Brazed Plate Heat Exchangers (BPHEs) certified by the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Testing performed by their contracted laboratories verify that product performance is according to specified ratings. This offers additional security when selecting BPHEs for HVAC installations.
Greenheck’s new Grease Trapper Pollution Control Unit removes grease, smoke, and odors from kitchen exhaust. According to the company, it is the only pollution control unit in the industry that has been tested and listed to the UL-1978 standard for factory-built grease ducts.
Capital Coil & Air now offers new and replacement coils for every application, including cooling or heating coils for replacement of existing coils or new jobs. Whether it’s 5/8-in OD, .5-in OD, or 3/8-in OD, Capital Coil says it can match existing dimensions and duplicate performance.
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.