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Liquids such as water, glycol solutions and high-temperature heat-transfer fluids are coming into wider use as heating media in coils. Some of the reasons for the popularity of water and glycol systems are:
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Armstrong Duralite™ plate fin steam coils are available in Centifeed (steam-distributing tube-type), Standard (opposite-end connections), and Two-Row Return-Bend construction. Centifeed, Standard and Return-Bend coils are made of 5/8" OD tubes as standard. One-Row coils with 1" OD tubes are available as options. Depending on steam flow, long Centifeed coils may require steam to be fed from both ends to eliminate cold tube ends and the potential for freezing.
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The Armstrong Single-Point Purger Controller is used with Armstrong XR-1501 Series refrigerant purgers fitted with a float and temperature sensor assembly. This combination provides a simple, effective and efficient means of removing air and other non-condensable gases from refrigeration systems.
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Multi-point purgers are designed for systems that have as many as 34 points to be purged.
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Many of the best reasons to insist on Armstrong unit heaters are ones you never even see. Components like motors, bearings, tubes, enclosures and fins are heavy-duty, to ensure lasting performance.
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Many of the best reasons to insist on Armstrong unit heaters are ones you never even see. Components like motors, bearings, tubes, enclosures and fins are heavy-duty to ensure lasting performance.
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Heat treatment is a safe and effective alternative to fumigation. Armstrong has the products and service to deliver heat treatment solutions that are efficient, cost-effective—and an industry-accepted alternative to chemical treatments. With insect heat treatment equipment from Armstrong, you get:
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Heavy-duty, portable Armstrong Hot Bin Heaters provide an effective way to heat bins, silos and other hard-to-access areas within a food facility. These cost-effective heaters are ideal for heat treatment for insect control, temporary comfort heat and freeze protection. And because the heat is ducted, Hot Bin Heaters can distribute heat to multiple areas from a single heater.
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Heavy-duty, portable Armstrong Hot Bin Heaters provide an effective way to heat bins, silos and other hard-to-access areas within a food facility. These cost-effective heaters are ideal for heat treatment for insect control, temporary comfort heat and freeze protection. And because they’re portable, Hot Bin Heaters heat multiple areas with a single heat source.
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Heavy-duty Armstrong Hot Breath Heaters are mounted on a sturdy cart, providing portable on-demand spot heating in any area within a food-processing facility. These cost-effective heaters are ideal for heat treatment for insect control, temporary comfort heat and freeze protection. Armstrong Hot Breath Heaters are available in a wide variety of sizes, output capacities, voltages and materials options.
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Heavy-duty Armstrong Hot Breath Heaters are mounted on sturdy carts, providing portable on-demand spot heating in any area within a food-processing facility. These cost-effective heaters are ideal for heat treatment for insect control, temporary comfort heat and freeze protection. Armstrong Hot Breath Heaters are available in a wide variety of sizes, output capacities, voltages and materials options.
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With revolutionary ionic bed technology The Gas-Fired HumidiClean™ from Armstrong reduces operating costs, and its Ionic Bed Technology slashes costs even more by trimming the labor and downtime associated with cleaning humidifiers. The HumidiClean operates economically on natural gas or propane. It is adaptable to various water qualities, and service life cycle and tank drainage are field-adjustable. Here’s more good news: The HumidiClean is CSA-certified and CGA-approved.
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How Armstrong’s gas-fired HumidiClean™ works When there is a call for humidity, the pre-combustion safety check confirms that the duct-pressure switch, duct high-limit humidistat and liquid-level control circuits are satisfied. The microprocessor then signals the blower to turn on, and the humidifier’s blower-pressure switch senses air movement.
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Energy efficient, low maintenance, reliable, precisely controlled, and clean. Armstrong believes these five industry needs are priority for humidification systems. Since 1938, Armstrong has been a leading supplier of humidification solutions for corporate environments, museums, hospitals, universities, semiconductor manufacturing, and electronics manufacturing. Customers’ needs are constantly changing and while many of the humidification products are successful in providing desirable indoor air quality, Armstrong is committed to developing and engineering new technology to best suit our customers’ demands. Atomization humidifiers offer the most energy efficient operation by reducing cooling load and water waste as well as reduced maintenance and improved reliability over other evaporative systems. Armstrong’s PressureFog™ and Cool-Fog® are high-quality industrial-grade atomizing humidification solutions that are suitable for a wide variety of environments and applications. 
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How foggers operate Armstrong Cool Fog® Systems use both compressed air and pressurized water to achieve atomization. Pressurized water is injected in the discharge orifice of a compressed air system. As the compressed air is discharged through an orifice, the air’s potential energy is converted to kinetic energy, which is imparted to the injected water.
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Armstrong offers a number of specialized steam distribution methods to meet the requirements of widely varying applications.
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Series M/MH manifolds Standard steam-jacketed manifolds should be used if you are using the Series 9000/1000 direct-steam-injection humidifiers, and vapor absorption distance is not critical, or is less than 36 inches (91 cm). The size and number of manifolds can be determined by face area of the duct or AHU, capacity, steam pressure, and required absorption distance. Armstrong’s Humid-A-ware Humidification Selection and Sizing software will assist in these calculations.
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Series D manifolds for duct-type distribution Where an existing duct system is available, steam is commonly discharged into the duct through a dispersion tube. If the dispersion tube is to be located below the humidifier, install a drip leg with water seal.
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HumidiPack® The Armstrong HumidiPack is a prefabricated steam humidifier system that is ready for insertion in the duct. The HumidiPack consists of a separator/header and multiple-tube dispersion assembly when supplied for use with an Armstrong steam-generating humidifier. A steam-supply control valve, strainer, steam trap and header drain traps are added when HumidiPack is used on pressurized steam.

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