Via electromagnetic reversing pneumatic valve 'a few', 'a few' is introduced in detail

Pneumatic valve solenoid directional 'pass' and 'a'


1. The concept of 'pass' and 'a'


'pass' and 'a' is an important concept in the reversing pneumatic valve. Different 'pass' and 'a' make up the different types of pneumatic reversing solenoid pneumatic valve.


'a' refers to the reversing of the pneumatic valve position of pneumatic valve core number, that is to say, the pneumatic valve there are several kinds of working condition. Such as two pneumatic valve or three pneumatic valve refers to two or three different working position.


'tong' is refers to the position of the reversing pneumatic valve has a different and with different tubing interface for connecting a number in the system. Only through a pneumatic valve core displacement between different oil duct when the switch of pneumatic valve mouth to communicate. Such as tee or four-way solenoid pneumatic valve refers to the reversing pneumatic valve is working, pneumatic valve has three or four oil mouth, that is to say, the pneumatic pneumatic valve or four-way solenoid valve is a three links.




2. The representation method of 'pass' and 'a'


'several' represents the reversing pneumatic valve has several working condition. Usually can use the number of squares on behalf of the pneumatic valve body said. Such as two pneumatic valve or three pneumatic valve on the figure f there will be two or three square.


'a few links you can to the square of the reversing pneumatic valve normal position, there are a few points and arrow line and T lines intersect to determine the total number.




3. Graphic symbol meaning


1. With said the reversing pneumatic valve working position, the box has several boxes there are a few bits.


2. Box with the arrow said oil in the connected state, but the direction of arrow does not necessarily said the actual direction of oil flow.


3. With the 'T' said oil is not.


4. Outside the box has several point is what is said.


5. The reversing pneumatic valve inlet is usually expressed as a P, oil return mouth expressed in T, unloading port to L said.


6. Map the reversing pneumatic valve system, oil painting usually inside the box at normal.


7. Reversing pneumatic valve has two or more locations, there must be a normal person, namely, pneumatic valve core is not rigged force when the location. Two pneumatic valve to normal near the spring box, three pneumatic valve the norm for the middle box.


4. The reversing pneumatic valve named example


1. Two two-way pneumatic valve




2. Two tee pneumatic valve




3. Two tee pneumatic valve




4. Two five pneumatic valve




5. Three of five pneumatic valve