Roofing

ICM Controls introduces the CC750 Comfort Control Center, a variable frequency/voltage blower motor speed control that helps maintain air quality and moisture levels. It controls the blower speed in existing HVAC systems and reduces humidity levels by removing excess moisture in the air.

The product can be used with a system equipped with advanced indoor air quality devices and installed by a trained HVAC contractor. It uses a menu-driven program and is designed for single-phase systems. It is available in 115 VAC and 230 VAC models.

Leslie Controls offers the DBOY line of control valves in sizes of 2 inches up to 8 inches. The line is available for any facility using steam processes and is capable of large flows with Cv’s up to 435, allowing it to replace larger caliber valves.

By utilizing cage-guided trims, valves can be customized and configured to meet individual requirements. Balanced trims are also available. The company offers Quick Delivery System for the line in the case of an emergency.

The Destiny low-pressure indoor air handler from McQuay International is available with an electric heat option, creating a heating and cooling unit in one product. Available in vertical and horizontal styles, it features a single-point power source to the fan and the heater.

Heat output ranges from 1.5 kW to 55 kW, depending on the unit’s size. There are four levels of control available to reduce overheating and short cycling.

Cortec Corporation introduces S-14 Bio, an additive that combats scale and corrosion in cooling towers or closed- and open-loop recirculating cooling systems. It combines a scale inhibitor with corrosion protection across a span of metals, including carbon steel, galvanized steel, aluminum, copper and other non-ferrous metals. The non-toxic, biodegradable additive is formulated for low-molecular-weight natural polymer components, GRAS substances and food-approved preservatives. It is available in 5-gallon containers, 55-gallon metal drums, 275-gallon liquid totes and in bulk.

Spirax Sarco has added the APT14HC to its line of automatic pump traps.

Designed to aid heat transfer and eliminate irregular temperature control, corrosion, noises and water hammer, the product collects and removes condensate as it forms in equipment such as process vessels, heat exchanges, heaters and vacuum and temperature controlled equipment.

The steam-powered trap does not require any electrical power, making it suitable for hazardous environments. The product can be used at a maximum temperature of 388 F and a maximum pressure of 200 psi.