VT325 Series
Specific Product Precautions (2)
Be sure to read this before handling the products.
Breathing hole
1. The bottom of the solenoid valve has a breather hole for the
main valve. Take proper measures to prevent this hole from
being blocked as this will lead to a malfunction.
∗
Ordinarily, when the solenoid valve is mounted on a metal
surface, it can breathe through the breather hole, via the
breather groove. However, in particular, if the surface to be
mounted is made of the rubber, the rubber could deform and
block the hole.
2. Make sure that dust and/or other foreign materials do not enter
the valve from the unused port (e.g. exhaust port).
The grommet portion contains a breather hole for the core.
Take proper measures to prevent dust or foreign matter from
accumulating in this area.
Lead wire color (Grommet type, conduit)
Voltage
Color
100 VAC
Blue
200V AC
Red
DC (With surge voltage suppressor)
Red (+), Black (–)
Other
Gray
∗
For "Nil: W/O light/surge voltage suppressor" with DC
specification, there is no polarity.
Valve Option
1. For vacuum (VT/O325V: Valve specification V)
Operating pressure range
-101.2 kPa to 0.1 MPa
This vacuum model has less air leakage than the standard model
under low pressure. It is recommended for vacuum application.
1) Since this valve has slight air leakage, it cannot be used for
holding vacuum (including positive pressure holding) in the
pressure container.
2. With surge voltage suppressor, with indicator light
3. Manual override with lock
(VT/O325
∗
-
∗
-M: Valve specification M)
1) Using a screwdriver, push the manual override button that is
located in the head portion of the solenoid valve in order to
directly push the spool valve downward, thus causing the valve
to switch.
2) With the button remaining pushed down, turn it approximately
90° clockwise or counterclockwise to maintain the manual
override locked state.
3) To revert to the original state, keep the button pushed down
and turn it approximately 90° clockwise.
Manifold specification
Manifold
For more than 4 stations, supply air from both P ports and
exhaust air from both R ports.
Breather
groove
Normal condition
(Unlocked)
Locked
Engagement mark
Engagement mark
Breather hole
on main valve
- 9 -
No.VT325
∗∗
-OMK0002-B
