Parker Twist-Lock Series Pneumatic Couplings | General Purpose - Push-to-Connect

Parker Twist-Lock Series Pneumatic QC

Parker Twist-Lock Series Push-to-Connect design is meant for easy, one handed operation.

Twist-Lock series interchange with Schrader Twist-Lock couplings.

Standard seals are Nitrile. Optional materials are available - contact us with questions.


Twist-Lock Series QC Dimensions & Specifications:

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Parker Twist-Lock series has a variety of port configurations that are available to meet specific needs.

Twist-Lock series has zinc bodies with Chromium-6 Free plated steel sleeves and nipples. It is designed to protect against accidental uncoupling.

Common applications: compressed air, water, grease, paint, limited vacuum and limited gases.

Parker Twist-Lock Series Couplings Specifications & Performance


Body Size (in.) 1/4 1/2
Rated Pressure (PSI) 300 300
Temperature Range (Nitrile seal) -40° F to +250° F.
Locking Device CAM
Vacuum Service Not Recommended


Parker Twist-Lock Series QC Pressure Drop Chart


Parker General Purpose Pneumatic Coupling Repair Kits

The repair kits below are for Parker 10, 20, 30, 50, 70, & TL Series Pneumatic Couplings.

1/4 Nitrile 21K
1/4 Ethylene Propylene 21KW
1/4 Fluorocarbon 21KY
3/8 Nitrile 14K
3/8 Ethylene Propylene 14KW
3/8 Fluorocarbon 14KY
1/2 Nitrile 16K
1/2 Ethylene Propylene 16KW
1/2 Fluorocarbon 16KY
3/4 Nitrile 38K
3/4 Ethylene Propylene 38KW
3/4 Fluorocarbon 38KY

Orders & Quotes



When ordering quick couplers, consider the following:

  • Functional requirements of the coupling
  • Maximum working pressure of the application
  • Coupler seal & body material compatibility with the system’s fluid
  • Is the application static or dynamic?
  • Size of coupler & hose
  • Maximum allowable pressure drop
  • Requirement to connect & disconnect under pressure
  • Media temperature
  • Ambient temperature
  • End configuration requirements
  • Need for industrial interchange QC
  • Effects of air inclusion & fluid loss