Gravity FlowHD Metal Detectors Inspect a Wide Range of Powdered, Granular ProductsGravity FlowHD Metal Detectors Inspect a Wide Range of Powdered, Granular Products
July 10, 2014
Mettler Toledo Safeline Gravity FlowHD metal detection systems are designed specifically for the inspection of free-falling products in vertical packaging applications. Models are available to inspect both dusty powdered products and granular products consisting of large particulates, and all are available in a wide range of internal tube diameter configurations, from 50 to 400 mm, and detection sensitivity ranges capable of detecting from .3 to 1.0 mm steel contaminates, from .3 to 1.2 mm aluminum, brass, copper, and bronze contaminates, and .4 to 1.3 mm stainless steel contaminates, to match individual application needs.
When contaminants are detected, a fully-automatic high-speed reject device diverts the contaminated product and isolates it from the main product flow. The combination of highly sensitive detection capability and swift and an efficient rejection system result in compliance with both internal and external quality and food safety standards while maintaining optimal operational efficiency and profitability.
These HD systems incorporate the company’s Zero Metal Free Zone (ZMFZ) technology that eliminates the need to allow space between the metal detector head and the metal components of the production line where it will be installed, allowing it to be placed, for example, in the confined space between the outlet of a multi-head weigher and the inlet to a VFFS bag maker. This technology saves valuable production line space while adding superior detection capability to the line.
At the heart of the HD system is Safeline’s PowerPhase PRO electronics platform, which is available in fixed or multi-frequency configurations. The advanced detection coil system and detector head geometry deliver high levels of sensitivity. Applications include the inspection of snack foods, cereals, confectionery, Individually Quick Frozen (IQF) products, and any products packed in a Vertical Form-Fill-Seal (VFFS) bag-making operation.
In highly automated processes, there are few operators on the line and there is an increased risk that any malfunctions could go unreported for a considerable time, with the potential for an extremely costly outcome. Detectors in the Gravity FlowHD PowerPhase PRO group utilize the latest in communications technology that enables them to send alert e-mail or text messages to key personnel, assuring a prompt response to any such problem.
Mettler Toledo, Tampa, FL 800-447-4439 www.mt.com/pi
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