Edward J. Heck & Sons Co.                  
Typical  Dustop Components

Digital Ammeter w/ relay card - The motor on the conveyor or elevator leg to be sprayed is monitored for amp. draw when empty. When the material flow increases the amp draw, the relay trips and starts the spray of oil. As the flow stops, the amp draw drops below the preset and the flow of oil stops.

 

Mechanical Flow Meter - Measures the gallon per minute flow to ensure proper flow rate. Mounts on each of the  discharges on the main unit. 1/4" NPT fittings

Solenoid (Class II Group G) - Located near the spray point and opens or closes to control the oil flow to each outlet. 1/2"NPT fittings

 

Spray Lance Assembly - Includes mounting bracket, check valve - nozzle - 18" of 3/8" hose and inline strainer

 

Spray Point Heaters -  Necessary when spraying vegetable oil in colder climates - NEMA 4/7  1 or 3 phase 1/2" NPT fittings