information

How It Works

	• Drying soft shell gloves is difficult due to the propensity of the fingers to bend preventing air penetration. • Air pressure at the glove arms is maximized to help force the warmed air down the fingers. • The addition of "Palm Expanders" fills the palm of the glove - opening and straightening the fingers. • Gloves dry in about 2 hrs.
	• The coat is folded shoulder to shoulder and slid onto the support/air arms which penetrate just slightly short of the wrist area. • The coat can be buckled around the two support risers. • Warmed air is blown out the end of the support/air arm into the wrist and cuff area of the coat. • Air holes in the bottom of the support/air arm directs warm air to the elbow and arm pit area of the coat. • Air holes in the vertical riser blow warm air into the chest and kidney area of the coat. • Coat shells and liners dry in 4-6 hrs.
	• Using the suspenders hang the pants over the coat on the support/air arms. • Place the legs over the leg arms. • Warmed air is directed into the crotch area and along the length of the pant leg. • Pant shells and liners dry in 4-6 hrs.
	• When drying liners separate from the shell: • Hang the shirt the same as the coat. • Hang the pants the same as the bunkers and attach to the shirt with supplied spring clamps.
	• Boots are mounted upside down on the support/air arms. This has a couple of advantages: gravity assists in drying and debris from above cannot enter the boot. • The support/air arm delivers the warmed air to the hardest part of the boot to dry: the toe. The toe is pressurized and as the air exits it must pass over the entire interior surface of the boot picking up water vapor. • Boots dry in about 1 hr.

Why It Works

Air Distribution	• Warmed air is mechanically distributed either to the farthest or hardest part of a garment (or boot, or glove, etc) to dry. • The air delivery system creates a positive pressure differential between the interior and exterior of the garment. • As the air exits the garment it passes over the interior surfaces picking up water vapor.
Air Temperature	• The temperature of the blown air is 10º-15ºF above room temperature. This temperature differential can generally only be physically perceived by touching a non heated portion of the machine (eg supports) then a heated piece ie support/air arm. • The purposes of using warmed air: - Warmed air holds more water vapor than cold. - Machine operating efficiency can be maintained even in conditions or reduced room temperature. • The benefits of using warmed air: - Drying tests verified the fact that even when a garment, boot, glove, etc felt dry there was actually a measurable amount of water still contained within the article. Water molecules are hydrotropically attached to the microscopic fabric fibres. Heat is required to excite the molecules enough to break this attraction. Complete drying within reasonable time periods can only be achieved with the addition of some heat. • Organisms such as yeast, fungus, & bacteria thrive in warm, moist, dark environments. The accumulation of this biological mass has potential health issues. The amount of this biological mass is subjectively measured by "locker room" odor. Eliminating the last of the moisture contained within the garment goes a long ways towards reducing the "locker room" indicator. • The 10º-15ºF temperature gradient is a subjective level which: - adds enough heat to provide significant drying characteristics especially at the final stages of drying. - keeps the delivered air temperature below body core temperature up to ambient room temperatures of 95ºF. - ensures that spot burning, heat deformation, nor changing fabric characteristics (eg "fire warranty") is not a concern.
General Information	• Fire Stations suffer from space restrictions. A Williams® Dryer is designed to dry a complete set of Duty gear including: boots, gloves, coat, and pants, in 1 lineal foot of wall. If wall space is not available there is an optional bolt on package which includes end supports c/w casters. • All machines are 110V CSA approved for Canada & the USA which plug into any standard duplex outlet. • Construction is heavy duty with a limited life time warranty on superstructure and a 2 year warranty on electrical. • Finish is electrostatic powder coated white. Contaminants from the interior of Duty Gear are more easily identifiable on a white background. • Duty cycle: machines can operate continuously. Our first dryer was built in 1989 and we have had machines operate for 15 years under industrial conditions. • Maintenance: keep the intake screen clean. A blocked screen reduces efficiency and decreases life expectancy.

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