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Inspection of pumped liquids, slurries and pastes can be achieved by replacing a short section of metal in the transport pipe with a food-grade non-metallic pipe that passes through a metal detector.
Care should be taken to design the installation so that the pipe will not be under strain from the weight of the incoming and out-going stainless steel transport pipes.
The operator control panel can be installed remotely from the search head, enabling the point of inspection to be located in inaccessible places such as in elevated pipes and in complex and congested pipeline networks.
METTLER TOLEDO Safeline HDS Pipeline metal detectors are designed for easy integration with other process equipment.
The metal detector can be configured to suit production of continuous, linked or clipped sausages and other food products in natural or collagen cases. Internal Cancellation Field technology allows the metal fittings of the throughput pipe and other process equipment to be positioned closer to the detection head without affecting the detector performance. This enables a short throughput pipe, essential to avoid product creaming* and gives the added benefit of a compact system size to reduce space requirements.
METTLER TOLEDO Safeline's Profile Advantage Pipeline metal detector is ideal for use in challenging applications, particularly when there is a potential for bubbles or voids to be present in the product flow. Using a combination of Multi-Simultaneous Frequency and Product Signal Suppression technology, Profile Advantage Pipeline metal detectors can overcome this issue and virtually eliminate false rejects, maximizing operational efficiency and improving productivity.
When metal is detected, a sanitary three-way valve can operate to divert the contamination. Alternatively, the pump can be stopped and the metal flushed out manually. The choice of the valve will be influenced by product type, temperature and viscosity. Some valves are best suited to low-viscosity products such as juices.