Everyone should be familiar with the quick connector. It is a connector that can connect or disconnect the pipe without tools. Pneumatic quick connector is a kind of quick connector mainly used for air piping and pneumatic tools. It can realize the connection or disconnection of pipes without tools. Next Xiaobian will introduce the model, type and application range of pneumatic quick joints for everyone.

　　 Pneumatic quick connector model

The approximate basic identification method of the pneumatic quick connector (fast plug-in quick connect type) based on mainland China (including Taiwan, South Korea, etc.) is listed, and the current basic specifications of the quick connector are listed:

The model specification is divided into three parts: series code (uppercase code in English) + pipe outer diameter Ø; (using two-digit code) + connector thread (with two digits or thread direct code).

For example: PC10-02, the meaning of this gas connection is:

PC straight-through terminal fittings series (can have PC = direct type, PL = L right angle type, PST = T type (tee), PB, PD, PX, SL, PH, etc.) 10 connecting the outer diameter of the trachea (can have 04 = Ø4,06=Ø6,08=Ø;8,10=Ø10,12=Ø12,16=Ø16, etc.) - Separator 02 is connected to the thread code (There can be an inch pipe thread: 01=G1/8" thread, 02=G1 /4" Thread, 03=G3/8" Thread, 04=G1/2" Thread, M5=M5 Thread, M10X1=M10X1 Thread, etc.)

So, the PC10-02 quick connector is a straight-through connector, one with a Ø10 air pipe, and one with a G1/2" pipe direct head.

You can use this type of quick connector to understand this method. Here are some of the specifications for general air joint quick joints.

PC series: PC04M5 PC04M6 PC0401PC0402PC0403 PC06M5 PC06M6 PC0601PC0602PC0603PC0801PC0802PC0803PC0804PC1001PC1002PC1003PC1004PC1201 PC1202PC1203 PC1204PC1603PC1604

PL Series: PL04M5PL04M6PL0401PL0402PL0403PL06M5PL06M6PL0601PL0602PL0603 PL0801PL0802PL0803 PL0804 PL1001PL1002 PL1003 PL1004 PL1201PL1202PL1203PL1204 PL1603PL1604

PST Series:04M5 PST04M6PST0401PST0402PST0403 PST06M5 PST06M6PST0601PST0602PST0603PST0801PST0802PST0803PST0804PST1001 PST1002 PST1003PST1004 PST1201 PST1202 PST1203 PST1204 PST1604

PT Series: PT04M5PT04M6 PT0401 PT0402 PT0403 PT06M5 PT06M6 PT0601PT0602 PT0603

Pneumatic quick connector model specifications according to different countries, different brands, different manufacturers of their marked model specifications are not the same. European countries have international standards (inches), Asia has Japan and other countries, and China, Taiwan, South Korea and other general models are basically the same. The above is the specification of pneumatic quick joints in mainland China, Taiwan, and South Korea.

　　 Pneumatic quick connector type

According to the structure can be divided into:

　　 1, open and close at both ends:

When not linked - when the parent's ferrule moves to the other end, the stainless steel ball will automatically roll outwards, and the daughter body will be disconnected due to the force of the spring force of the mother valve and the daughter body's common valve, and the valve of the daughter body and the parent Closed, blocking fluid flow instantly.

When linking - when the child is inserted into the parent body, the ferrule returns to the original under the action of the spring

In the position, the ball rolling locking body is tightly connected, and at the same time, the valve of the mother body and the child body push each other to open and the fluid flows, and the O-ring can completely block the leakage of the fluid.

　　 2, open ends

No link - When the parent's collar is pushed to the other end, the ball automatically rolls outwards, so that the child is removed; because the child and the parent have no valves, fluid flows outward.

Link - When the daughter body is inserted into the parent body, the ferrule is pushed to the previous position by the force of its spring to cause the steel ball to lock and the fluid flows, and the O-ring therein prevents liquid leakage.

　　 3, single open and close

When not linked - When the parent's ferrule moves to the other end, the stainless steel ball automatically rolls outwards, the daughter body is opened by the reaction force of the valve spring, and the valve can automatically close to block the fluid flow.

When linking - When the body is inserted into the ferrule side of the body, the valve is opened and the fluid flows, the washer is pushed back to its original position by the force of the spring, and the stainless steel bead locks to ensure the child/parent connection, the washer inside Can completely block fluid leakage.

　　 Pneumatic quick connector range

Air couplings, air compressors, grinders, air drills, impact wrenches, pneumatic screwdrivers, and other quick couplings for pneumatic tools.

The above is the entire contents of the model, type and application scope of the pneumatic quick joints introduced by Xiaobian. We believe that after reading the articles, we should have a certain understanding of the relevant knowledge of pneumatic quick joints. Pneumatic quick couplings also have a lot of places to pay attention to when they are used. Everyone must pay more attention when using them, and must not be operated indiscriminately.

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