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What does the R/S/P/A/B on the 5/2 solenoid valve mean?

What is a 5/2 solenoid valve?

We always see a 5/2 or 3/2 solenoid valve, so what is a 5/2 solenoid valve?

5/2 solenoid valve means it has 2 positions 5 ways. 2 positions mean that there are two working positions of the solenoid valve spool. 5 ways mean that the solenoid valve has five interfaces (Denoted by the letters R/S/P/A/B).
R is the exhaust hole, S is the exhaust hole, P is the intake hole, A is the working port, and B is the working port.
As shown in figure 1.
(Figure 1)
A and B which connect cylinders are the reversing working ports. And P connects to the air source unit, and R /S connects to silencers.
Can we convert the 5/2 solenoid valve into the 3/2 solenoid valve?
Yes, sure. We can plug holes A and R with the following plugs. As shown in figure 2.
      (Figure 2).
Also, if we need a 5/2 solenoid valve again, we can remove these plugs.
so we need to use PTFE PATE instead of liquid PTFE PATE. As shown in figure 3.
      (Figure 3)
Zoe

Zoe

Hi, I’m Zoe, I like sharing knowledge of related pneumatic and automatic products, also, some useful skills. Hope we can learn from each other.
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