Quick coupler is food friendly

August 2007 Enclosures, Cabling & Connectors

The stainless steel version of the BradConnectivity Ultra-Lock connection system from Woodhead is specifically designed and engineered to meet the stringent sanitary requirements of food, beverage and pharmaceutical manufacturers. This system has been designed for the connection of sensors and control devices features and features unthreaded stainless steel connectors, IP69K protection and patented 'push-to-lock' technology for faster, easier and more secure connections.

The company pioneered this threadless connection system, which is used to quickly and securely connect sensors and control devices used in plant floor automation systems, such as conveyors and robotic bottling and processing lines. The M12-compatible system comprises a series of integrated distribution boxes and cord sets built on Woodhead's patented push-to-lock technology. This enables fast, easy installation without turning the coupler. Control system assemblers simply push down to connect and pull up to disconnect. This reduces assembly time and effort and minimises assembler fatigue. Ultra-Lock connectors stay fully mated, even under the stresses of machine vibration and cable pulls, eliminating the risk of intermittent connections.

The system's push-to-lock connectors are made of 316 stainless steel with an absolutely smooth surface to prevent the transfer of bacteria and/or contaminants during processing and equipment wash-down. Similarly, their secure fit and threadless design prevents the lodging of any foreign material within threaded grooves. The threading in traditional M12 connectivity systems is one of the main reasons why such quick-connect systems have not gained acceptance in the food and beverage industries in the past.

The typical compression seal used in threaded connectors is dependent on how tight the operator makes the connection - too loose can allow moisture to penetrate, too tight can cause damage to the O-ring seal, which can also let in moisture and create electrical difficulties. The Ultra-Lock O-ring seal is an IP69K-rated radial seal that is operator-independent and maintains a constant pressure seal against moisture.

The seals in this system have been tested to 10 MPa water pressure at close range, so they are able to withstand the frequent equipment wash-downs typical in food and beverage plants.

For more information contact Chris Huxham, Shorrock Automation, +27 (0)12 345 4449, [email protected], www.shorrock.co.za

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