3
Parker Hannifin Corporation
Instrumentation Products Division
Huntsville, AL USA
http://www.parker.com/ipdus
WARNING
FAILURE, IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS AND/OR SYSTEMS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL
INJURY AND PROPERTY DAMAGE.
This document and other information from Parker Hannifin Corporation, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users
having technical expertise. It is important that you analyze all aspects of your application and review the information concerning the product or system in the current product catalog. Due
to the variety of operating conditions and applications for these products or systems, the user, through its own analysis and testing, is solely responsible for making the final selection of
the products and systems and assuring that all performance, safety and warning requirements of the application are met.
The products described herein, including without limitation, product features, specifications, designs, availability and pricing, are subject to change by Parker Hannifin Corporation and
its subsidiaries at any time without notice.
Offer of Sale
The items described in this document are hereby offered for sale by Parker Hannifin Corporation, its subsidiaries or its authorized distributors. This offer and its acceptance are governed
by the provisions stated in the “Offer of Sale”.
© Copyright 2004, 2005, Parker Hannifin Corporation. All Rights Reserved.
The Parker CPI
™
/A-LOK
®
fittings consists of precision engineered parts designed to provide secure leak-proof joints capable of
satisfying high pressure, vacuum and vibration applications.
Inch — CPI
™
Inch — A-LOK
®
Parker Instrumentation Tube Fittings are supplied complete and ready to use. The ferrule(s) swage onto the tube as it moves
down the body seat creating a pressure/vacuum-tight seal on both tube and body by the interface pressure and surface finish
of mating components. The Parker Suparcase
®
ferrule (back-ferrule only on A-LOK) creates a strong mechanical hold on the
tube.
Pressure seal
by front ferrule
on tube and
body
Parker’s high quality,
silver plated nut
ensures no galling
of body threads
The Parker Suparcase
®
back ferrule provides a
strong mechanical and
anti-vibration hold on
the tube.
Deep tube abutment
and close tolerance
of nut and body for
accurate tube
alignment
Metric — CPI
™
Metric — A-LOK
®
Pressure seal
by front ferrule
on tube and
body
Parker’s high quality,
silver plated nut
ensures no galling
of body threads
The Parker Suparcase
®
back ferrule provides
a strong mechanical
and anti-vibration hold
on the tube.
Deep tube
abutment and
close tolerance
of nut and body
for accurate tube
alignment
Metric iden-
tification
shoulder
Dynamic seal
by ferrule on
tube and body
Molybdenum disulfide
coated nut with fine pitch
threads ensure no galling
Close tolerance
of nut and body
dimensions for
accurate tube
alignment
Dynamic seal by
ferrule on tube and
body
Molybdenum disulfide
coated nut with fine
pitch threads ensure
no galling
Close tolerance
of nut and body
dimensions for
accurate tube
alignment
Metric identification
shoulder
The Parker Suparcase
®
ferrule provides a strong
mechancial and anti-
vibration hold on the tube
The Parker Suparcase
®
ferrule provides a
strong mechancial
and anti-vibration hold
on the tube
D30003 3
5/12/05