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PRESTOLOK

PRESTOLOK
 
    

Advantages
Ready-to-use compact one-piece fitting for use with most thermoplastic
and copper 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/Prestolok II 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/Prestolok II 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. The removable release
button can be color coded for ease of identification. Standard release
button is green.

Materials
Prestolok Bodies: CA377, CA360, CA345
Prestolok II Bodies: Glass Filled Nylon
O-Ring: Nitrile (other compounds available on request)
Release Button: Polyacetal
Grab Ring: Stainless Steel

Applications
Use with Parker Parflex series “E” polyethylene tubing, series “N” nylon
tubing, series “U” polyurethane tubing or copper tubing. Perfectly
adapted for use in a large variety of industries, Prestolok II was
designed as an economical alternative for pneumatic applications that
do not require the higher pressure capacity of the standard prestolok
fittings, consult the factory with any questions regarding special product
applications. All applications should be carefully tested through the
range of conditions which may be encountered prior to use. For inch
O.D. tubing

Working pressure and temperature ranges
Prestolok:    Zero to 200°F at up to 300 PSI depending on tubing
              being used.
Prestolok II: Zero to 150°F at up to 150 PSI depending on tubing
              being used

Vacuum applications are dependent upon temperature and type of
tubing used.

Assembly Instructions
1. Cut thermoplastic tubing squarely, using Parker Tube Cutter
   PTC-001. Metal tubing should be cut squarely and free of burrs.
   Be certain the port or mating part is clean and free of debris.
2. Insert tubing into fitting until it bottoms. A slight twisting motion will
   ease the insertion. Pull on tubing to verify it is properly retained in
   the fitting.
3. To disassemble, simply push the release button against the body
   and remove tubing.


 
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