PET Food Processing - March 2018 - 69

rests on the manufacturers to provide equipment that
meets sanitary standards. New designs are easier to
clean, use CIP, open designs and no hidden spots where
microbes can grow and contaminate the product."
These design elements make clean-up and changeovers go more quickly, saving time and boosting efficiency. Clextral designed its extruders for hygienic processing including open profiles for full machine access and
continuous hygienically welded machine construction,
eliminating bolted joints. The company's Evolum+ line
of equipment is constructed with full stainless steel or
stainless/painted steel construction. It also features open
design for easy access. In Clextral's Preconditioner+, the
additional conveying bottom screw allows operators to
completely empty the tank quickly, which is useful in
speedy cleaning and changeovers.
A thorough sanitation program and hygienically designed equipment keeps equipment free from bacteria and
build-up that can slow production down. A proper maintenance schedule and equipment that provides easy access for quick maintenance can help prevent breakdowns

and speed up repairs when they do happen. "Keeping the
screws and barrels properly maintained for best product
results and maintaining consistent ingredients will support an efficient extrusion process," Carney says.
Easy access for changeovers and sanitation also comes in
handy during maintenance. Open design lets technicians
get to components for repair quicker with less fuss. McIsaac
says processors should consider the support an equipment
supplier can offer after the equipment is purchased, installed and operational. "Select equipment from companies
that have their own factory-trained service technicians,"
McIsaac recommends. "Better yet is if these technicians are
local for faster response and reduced downtime."
Understanding a current product line as well as the pet
food products of the future will help processors ensure
they get the right extrusion system that will go the distance. Purchasing a flexible system that is optimized for
their product line will help equipment operate at its best
at all times. And staying on schedule with a sanitation
and maintenance program will keep everything moving
smoothly and get the most life out of an extruder. PFP

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PET Food Processing - March 2018

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