Desiccant dehumidifiers are becoming a vital tool for most restoration contractors. While most of the dehumidifiers within an organization’s equipment fleet often are LGRs, desiccants provide some special performance features which make them more appropriate for some certain drying circumstances. The main difference in refrigerant-based and desiccant dehumidifiers is in how they’ll extract the water and the dry air desiccants are able to generate.
The desiccant dehumidifiers utilized in restorative drying are able to dry air to single-digit GPP (grains per pound) levels — around 4 percent RH at 70 degrees Fahrenheit. Those are dew points that are several degrees below freezing. All LGRs underneath the best circumstances can’t dry spaces below a 32-degree Fahrenheit dew point; thereby desiccants are able to create a drier environment.
A restoration desiccant dehumidifies air by exposing the damp air to a desiccant material which adsorbs moisture. Then, the moisture is extracted from the desiccant and expelled within the form of a water vapor from a desiccant dehumidifier. There will include a couple of air flow paths via different sealed chambers. The initial path is the air that is to be dried; called the process air, and the other one is the reactivation or regeneration air which exhausts the dampness. All process air flow is usually directed via a rotating, thick honeycomb disk, referred to as a rotor which is coated with a desiccant material which adsorbs water vapor. Normally, the desiccant material is a silica gel compound. Typically, the rotor is 4” – 8” in thickness and may be 1’ to several feet in diameter.
Phoenix 250 Max LGR Dehumidifier has a professional, stainless steel, and powerful look. It has large 12-inch recessed wheels, chamfered corners, and hemmed metal corners. The hinged lid will swing open for convenient filter changes. Its downward-focused air flow will direct 365-CFM of low grain air towards the ground to assist you in drying.
Its 8.2-amp 250 MAX utilizes an electro mechanical control, as well as contains a 1/8-inch skid plate that has maximum axle position to decrease impact traveling down stairs.
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