Page 4 - Parker - Quick Coupling Products

Pneumatic Quick Couplings

Single Shut-Off Couplings General Ordering Information

Single Shut-Off couplings are primarily used for pneumatic When ordering Parker coupler bodies and nipples, please state A Pneumatics
applications, connecting air tools, hoses, or other implements the part number of each type of coupler body and each type of
to compressed air supplies. They are also used with other nipple desired. List coupler bodies and nipples as separate
gases, and with the exception of the E-z-mate Series can be items rather than in combinations. Be sure to double check
used with low pressure fluids. The coupler half contains a thread or hose sizes of items required.
shut-off valve that is automatically opened when a mating Many of Parker’s coupling products are available with unique
nipple is inserted and automatically closes when the nipple non-standard options well suited to very specific applications.
is removed. Examples of unusual end use applications might include:
Parker Single Shut-Off couplings come in three basic designs: high temperatures (above 250° F), extremely caustic/
general purpose/manual connect, general purpose/push-to- corrosive solutions passing through the coupling, external/
connect, and special purpose. environmental corrosion situations, or other high wear and
The standard seal material for all Parker Single Shut-Off tear situations such as dragging the product along the ground.
couplers is Nitrile. Ethylene Propylene, Fluorocarbon, and It is always recommended that the Quick Coupling Division
Neoprene seals are available as options. See the comprehensive be contacted with any questions concerning specific product
Fluid Compatibility Chart that provides guidelines for seal application needs.
and body material selection. When there is need for further
assistance in selecting the appropriate seal material, please
consult the Quick Coupling Division.

Checklist for Selecting Quick Couplings
q What are the functional requirements of the coupling?

q What is the maximum working pressure of the application?
q Which seals and body material are compatible with the system’s fluid?
q Is the application static or dynamic?
q What size coupler/hose is required?
q What is the maximum pressure drop suitable for the application?

q Does the application require the ability to connect and disconnect under pressure?
q What is the media temperature and ambient temperature?
q What end configurations are required?
q Is an industry interchange coupler required?
q Is air inclusion and fluid loss a concern in the application?

A-1 Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings