Festo VTSA Series, Manual

Page: 34 / 166

1. Summary of components
1−18
Festo P.BE−VTSA−44−EN en 0601a
AB pressure regulator
(identifier R4−...−6 and
R4−...−10) Mode of operation:
The AB pressure regulator regulates the pressure in chan
nels 2 (B) and 4 (A) when the pressure medium has passed
through the valve. Exhausting takes place via the valve and
the pressure regulator from channel 2 to channel 3 and from
channel 4 to channel 5.
The following example shows the switch positions:
The supply air is passed from channel 1 through the pressure
regulator plate and through the valve to pressure regulator
B, where it is regulated and then passed to connection 2 of
the manifold sub−base. The exhaust is passed via channel 4
to the pressure regulator and then via the valve in channel 5.
Connection 2 (B)
Connection 4 (A)
1 2 3
1
Channel 5 (exhaust)
2
Channel 1 (supply air)
3
Channel 3 (exhaust)
Fig.1/7: AB pressure regulator