Watson-Marlow 520DuN IP66/NEMA 4X User Manual 88
29.5 520RE Element connection
Select suitable tubing to connect to the tubing element supply and discharge con-
nectors. Check that its pressure rating is appropriate to the application.
Sanitary
3
⁄4in mini-Tri-clamp connectors
Sanitary connectors are connected to a tubing system using mini-Tri-clamps and
gaskets.
Hold the connector end of the supply or discharge tube against the element
connector, with a gasket between them.
Use a Tri-clamp to engage both flanges squarely, close it and tighten.
Industrial quick-release connectors
Industrial connectors are connected to a tubing system using quick-release fittings.
Hold the pump securely and push the female fitting (available from Watson-
Marlow Bredel) over the element until it clicks into place.
To disconnect, hold the pump securely and pull the connector outer sleeve and
twist counter-clockwise while pulling the female connector away.
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