PTI thrives on inspection/metal detection systems

Contract manufacturer’s Royston, GA, facility uses machinery for quality, also gaining economic benefits.

Pw 3712 Safeline Pti Checkweigher

Pharma Tech Industries (PTI,), a contract manufacturer and packer of pharmaceuticals, medical devices, and personal care products, relies on x-ray and metal detection systems from Mettler-Toledo Safeline and checkweighers from Mettler-Toledo Hi-Speed.

“Last summer, when we were looking for an x-ray inspection system for a new production line, we considered several suppliers,” says Bill Leonard, engineering manager at PTI’s Royston, GA, facility. “We chose the SmartChek x-ray system based on the quality of the equipment, the reputation of the supplier, and the responsiveness of the supplier’s service team.”

The x-ray system inspects both over-the-counter (OTC) and prescription pharmaceuticals--powdered products packed in pouches made of metalized film. The ability to detect metal contamination through the metalized film lead to PTI’s decision to install this x-ray system, though it detects glass, stone, bone, rubber, and other contaminants.

“We have not had any problems with contamination and we don’t expect to have any problems,” says Leonard. “The x-ray system protects our products in the unlikely event of raw material contamination or catastrophic machine breakdown. The system is more sensitive to detecting minute metal than Mettler-Toledo Safeline promises. It’s been a pleasant surprise to find out what this system can achieve. Despite this level of sensitivity, we’ve had zero false rejects other than those that result from incorrect spacing of pouches caused by upstream equipment—overlapping pouches trigger the x-ray to reject the packages,” he notes.

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