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Quick Couplers

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About Quick Couplers

Quick couplers are used in a hydraulic or pneumatic system to quickly connect lines without losing fluid or fluid pressure. All couplings consist of two mating halves: the plug (male) half and the coupler (female) half. Quick couplers can be used under a variety of pressure and temperature conditions. Quick-action couplers are ideal for use in applications where fluid loss during connection or disconnection is undesirable. Typical applications include systems where tools or other devices are routinely connected and disconnected to a central pressure supply.  Common working fluids include air or pneumatic, hydraulic fluids, steam, water, oil, fuel, chemical, gas, or solid transfer.

Important parameters to consider when searching for quick couplers include body size or diameter, maximum working pressure, and working temperature.  Body sizes range from 1/8 inches to 6 inches.  Metric sizes may also be specified.  The maximum working pressure is the maximum fluid pressure the coupler can safely accommodate.  The working temperature is the fluid temperature range the quick coupler can safely accommodate.  Common hose connections include male NPT, female NPT, male straight thread, female straight thread, male JIC, female JIC, male BSP, female BSP, hose barb, clamp, and compression fitting.  There are several coupling mating geometries in general industrial and automotive use.  In general, they do not readily couple with each other, although different series within an interchange will mate with each other and some products are made specifically to couple with several interchanges.  Consult with the quick couplers’ manufacturer for specific geometry specifications and application recommendations. 

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  • Quick-Action Couplers
    Many fluid systems require that hose be disconnected without excessive fluid loss. For these applications, quick-action couplers are used. They are also used to reduce the time, effort, and skill...
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Engineering Web: Quick Couplers


Part Numbers for Quick Couplers

Part # Distributor Manufacturer Product Category Description
RRA22H3FBRNN Newark CHERRY Rocker Rocker Switch; Circuitry:Spst; Switch Operation:On-Off; Contact Current Max:10A; Switch Terminals:Quick Connect; Actuator / Cap Color:Red; Actuator Markings:O -; Leaded Process Compatible:Yes; Mounting Type:Panel Rohs Compliant: Yes
V15T16-CC300A01-K Newark HONEYWELL S&C Microswitch Snap Action Basic Switch; Actuator Style:Hinge Lever; Operating Force Max:300gf; Switch Terminals:Quick Connect; Circuitry:SPST-NC; Contact Current Max:16A
D57054003 PLC Radwell SIEMENS Not Provided TERMINAL,CONNECT DOUBLE QUICK
CP1 Amazon Amflo Automotive Parts and Accessories Amflo CP1 1/4" NPT Male Quick Type C Plug"

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