Introduction
The Parker Hannifin Quick Coupling Division offers a full
range of precision quick action couplings for use in the process,
power and instrumentation fields.
Quick couplings are used to quickly and easily connect and
disconnect rigid or flexible tubing to hose or pipe–without the
use of tools. They are available in straight-through (no valving),
single shut-off (valving in the coupler half only), and double
shut-off (valving in both the coupler and nipple halves)
configurations for maximum flexibility. With sealing integrity to
1 x 10-6 cc/sec of helium at 50 millitor, Parker Quick Couplings
are ideal for use with a wide range of media in vacuum or
high pressure applications.
Available end configurations include: Male and Female Pipe
Thread, A-LOK® and CPI tube ends, 37° Flare, Hose Barb,
ａnd Bulkhead fittings. Stainless Steel couplings feature
Fluorocarbon seals as standard. Brass Couplings are
equipped with Nitrile seals. Ethylene Propylene,
Perfluoroelastomer, and other seal materials are also available
upon request.
Consult the Safety Guide in the back of this catalog for more
information on the selection and use of quick action couplings.
Parker Quick couplings designed for instrumentation applications
are built to stringent standards and meticulously tested
for sealing integrity. Applications for these precision couplings
include, but are not limited to the following:

• All types of instruments
• Laboratory equipment
• Vacuum systems
• Chemical research
• Gas supply systems
• Portable analyzers
• Control panels
• Hydraulic and pneumatic systems
• Medical equipment
• Food processing equipment
• Calibration systems
• Test stands
• Gas chromatographs
• Micro-contamination devices

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