Parker Straight Connector push in fitting equal union - HPK4 SERIES

Ready-to-use compact one-piece fitting for use with most thermoplastic tubing. This fitting is specially designed for low pressure circuits where fast assembly, disassembly and reassembly is important. No special tools are needed for assembly; just insert the tubing until it bottoms. Prestolok is designed to be used with no tube support. Radial claws on the stainless steel grab ring grip the tubing securely to provide retention. Brass Male pipe threads come standard with a white acrylic sealant pre-applied ("W" prefix) swivels are featured on all male pipe threaded shapes for installation in tight places and for precise positioning. Prestolok should not be used for live swivel applications. The outside diameter of the tubing to be used with the fitting is marked on the release button.

Prestolok® 2 uses the technology of "elastic toothed" gripping rings, invented and perfected by Parker, which ensures excellent grip and fit of the tube. Prestolok 2 push-in fitting HPK 

Plastic push button - simple manual pressure on the user friendly push button allows instant disconnection of the tube. - tube sizes are marked on the push button for easy identification.