New Zealand's premier on-board weigh system suppliers & service agents. At SILODEC we are one of the few companies to state that we were there at the beginning and we're still here leading the way in electronic on-board weigh systems. Outstanding accuracy & reliability in conveyor belt weighing. Beltway Scales provides outstanding accuracy in conveyor belt weighing. With reliable in-motion weighing and optional connectivity to a printer, PLC, or computer, it's easy to see why Beltway Scales are the industry leader.