Home Products Push-to-Connect FittingsPneumatic Plug Type Push-to-Connect Fittings (PLJ, PDJ, PBJ, PYJ, PXJ)

Pneumatic Plug Type Push-to-Connect Fittings (PLJ, PDJ, PBJ, PYJ, PXJ)

Pneumatic Plug Type Push-to-Connect Fittings

Pneumatic plug type fittings are used in pneumatic tube systems when a compact plug-style connection is needed. The group includes straight, reducing, tee, Y type and five-joint plug layouts, so the fitting can be selected according to how the air line needs to continue or branch.

PLJ is a union plug for a straight plug connection. PDJ is a reducer plug for changing from one tube size to another. PBJ is a T type plug for making a tee layout. PYJ is a Y plug for splitting the air line into two angled directions. PXJ is a plug five joints fitting for compact multi-port distribution.

These fittings are useful in small pneumatic machines, control cabinets, valve groups, manifolds and equipment where tube direction and space are both limited. Choosing the correct plug type helps keep the tube layout neat and avoids using several separate fittings in the same area.

  • Type
    Plug Type Push-to-Connect Fittings (PLJ, PDJ, PBJ, PYJ, PXJ)
  • Applicable Tube
    Metric/Inch PU Tube / PE Tube
  • Connection Type
    Plug Style Tube Connection / Branch / Multi-Port
Specifications

Plug Type Model Difference

Model Catalog Name Function
PLJ Union Plug Straight plug connection
PDJ Reducer Plug Reducing plug connection
PBJ T Type Plug Tee plug connection
PYJ Y Plug Y branch plug connection
PXJ Plug Five Joints Five-joint plug distribution

Specifications

PLJ Series Union Plug

Metric Type — Tube O.D. × Tube O.D.:

4-M5, 4-01, 4-02
6-M5, 6-01, 6-02, 6-03, 6-04
8-01, 8-02, 8-03, 8-04
10-01, 10-02, 10-03, 10-04
12-03, 12-04
14-02, 14-03, 14-04
16-03, 16-04

Inch Type — Tube O.D. × Tube O.D.:

5/32-M5, 5/32-01, 5/32-02
1/4-M5, 1/4-01, 1/4-02, 1/4-03, 1/4-04
5/16-01, 5/16-02, 5/16-03, 5/16-04
3/8-01, 3/8-02, 3/8-03, 3/8-04
1/2-01, 1/2-02, 1/2-03, 1/2-04

PDJ Series Reducer Plug

Metric Type — Tube O.D. × Tube O.D.:

4-M5, 4-01, 4-02
6-M5, 6-01, 6-02, 6-03, 6-04
8-01, 8-02, 8-03, 8-04
10-01, 10-02, 10-03, 10-04
12-03, 12-04
14-02, 14-03, 14-04
16-03, 16-04

Inch Type — Tube O.D. × Tube O.D.:

5/32-M5, 5/32-01, 5/32-02
1/4-M5, 1/4-01, 1/4-02, 1/4-03, 1/4-04
5/16-01, 5/16-02, 5/16-03, 5/16-04
3/8-01, 3/8-02, 3/8-03, 3/8-04
1/2-01, 1/2-02, 1/2-03, 1/2-04

PBJ Series T Type Plug

Metric Type — Tube O.D. × Tube O.D.:

4-M5, 4-01, 4-02
6-M5, 6-01, 6-02, 6-03, 6-04
8-01, 8-02, 8-03, 8-04
10-01, 10-02, 10-03, 10-04
12-03, 12-04
14-02, 14-03, 14-04
16-03, 16-04

Inch Type — Tube O.D. × Tube O.D.:

5/32-M5, 5/32-01, 5/32-02
1/4-M5, 1/4-01, 1/4-02, 1/4-03, 1/4-04
5/16-01, 5/16-02, 5/16-03, 5/16-04
3/8-01, 3/8-02, 3/8-03, 3/8-04
1/2-01, 1/2-02, 1/2-03, 1/2-04

PYJ Series Y Plug

Metric Type — Tube O.D. × Tube O.D.:

4-M5, 4-01, 4-02
6-M5, 6-01, 6-02, 6-03, 6-04
8-01, 8-02, 8-03, 8-04
10-01, 10-02, 10-03, 10-04
12-03, 12-04
14-02, 14-03, 14-04
16-03, 16-04

Inch Type — Tube O.D. × Tube O.D.:

5/32-M5, 5/32-01, 5/32-02
1/4-M5, 1/4-01, 1/4-02, 1/4-03, 1/4-04
5/16-01, 5/16-02, 5/16-03, 5/16-04
3/8-01, 3/8-02, 3/8-03, 3/8-04
1/2-01, 1/2-02, 1/2-03, 1/2-04

PXJ Series Plug Five Joints

Metric Type — Tube O.D. × Tube O.D.:

04, 08-04, 08-06, 08-08, 10-04, 10-08

Inch Type — Tube O.D. × Tube O.D.:

5/32, 1/4-5/32, 5/16-5/32, 5/16-1/4, 3/8-5/32, 3/8-5/16

Size Notes

Metric tube sizes are shown in millimeters. Inch tube sizes are shown in inch measurements. For PLJ, PDJ, PBJ and PYJ, check the full size code before ordering. For PXJ, the size code shows the tube size combination used in the five-joint plug layout.

Benefits & Features

Installation Notes

Cut the tube end flat before pushing it into the fitting. A slanted or rough tube end can affect sealing. Push the tube fully into the fitting and pull back gently to confirm that it is locked.

Choose the model according to the tube layout. PLJ is for a straight plug connection. PDJ is used when the tube size needs to change. PBJ and PYJ are used for branch layouts. PXJ is used when several tube outlets need to be arranged in one compact fitting.

Where It Is Used

Pneumatic plug type fittings are used in pneumatic control cabinets, valve groups, manifolds, compact machines and small automation systems. They are useful when the air line needs a plug-style connection, a branch point or a compact multi-port distribution point.

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