720075 - Wet Bottom Drain Assembly

  • Item #: 720075

720075 - Wet Bottom Drain Assembly - Works with all Harshaw, Engelhard, Atotech USA, Atlas and Auto Technology Company fog and cyclic corrosion test chambers. PURPOSE: The purpose of the Wet Bottom Drain Assembly is to allow the bottom of the cabinet to fill with deionized water to a level just above the rod heater. This water is heated; creating a moist, even heat throughout the exposure zone, which helps maintain uniform condensation to allow accurate collection rates. Further, it allows the water to drain prior to dry cycles. LOCATION: The wet bottom assembly is located on the back of the cabinet behind the solution reservoir. Looking behind the cabinet reveals the location of the assembly. FUNCTION: When a fog cycle begins, the solenoid for the air diaphragm wet bottom drain valve is activated, closing the valve. When the valve is closed the bottom of the chamber fills with water and covers the rod heater. The assembly is mounted to an L-shaped painted metal bracket. This bracket is mounted to the steel frame of the cabinet. A level switch inside the cabinet detects the proper water level and shuts off the water supply solenoid. The height of the mounting point is important for proper functioning of this system. The overflow pipe assembly - maintains proper water level by allowing overfilled water or accumulated condensate to drain. Customer-supplied compressed air is connected to the fitting on the air solenoid mounted to the wet bottom valve.

Please contact Auto Technology for information on this product.  Thank you! 


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Price $1,720.00
Availability In-Stock