Datasheet
Flow-rate Characteristics
Fluid and Ambient Temperature Valve Leakage Rate
Internal Leakage
External Leakage
FKM
Seal material Leakage rate (Oil)
Note)
0.1 cm
3
/min or less
FKM
Seal material
Leakage rate (Oil)
Note)
0.1 cm
3
/min or less
Note) Leakage is the value at ambient temperature 20°C.
Note) Kinematic viscosity: 50 mm
2
/s or less
Ambient temperature [°C]
−20 to 60
Fluid temperature [°C]
−5
Note)
to 100
N.C.
Symbol
For High Temperature Oil
2
1
∗
Can be used with air (up to 99°C), water (up to 99°C) and oil.
Note that the maximum operating pressure differential and
flow-rate characteristics should be within the specifications
of the fluid used.
When the valve is closed, flow is blocked from
port 1 to port 2. However, if the pressure in port
2 is higher than port 1, the valve will not be able
to block the fluid and it will flow from port 2 to
port 1.
Normally Closed (N.C.)
1.9
2.4
5.3
9.2
10.2
46
58
130
220
245
Port size
(Nominal diameter)
AC DC
0 0.7 1.5
Model
10
15
20
25
1/4 (8A)
3/8 (10A)
1/2 (15A)
3/4 (20A)
1 (25A)
Av x 10
−6
m
2
Cv
600
720
1100
1300
Flow-rate characteristics
VXZ236
VXZ246
VXZ256
VXZ266
Body
material
The kinematic viscosity must not exceed 50 mm
2
/s.
The special construction of the armature adopted in the
built-in full-wave rectifier type gives an improvement in
OFF response by providing clearance on the absorbed
surface when it is switched ON.
When the fluid is oil.
Orifice diameter
[mmø]
Min. operating pressure
differential
Note 1)
[MPa]
Max. operating pressure differential [MPa]
Max. system
pressure [MPa]
Weight
Note 2)
[g]
C37 (Brass)
,
Stainless
steel
Note 1)
The operation of the valve may be unstable due to the capacity of the pressure supply source such as pumps and compressors or the pressure loss by
the orifice of piping. Please contact SMC to check if the required valve size can be used in the application. Please contact SMC for the compatibility of
the circuit flow and valve size.
(Refer to page 21.)
Note 2) Weight of grommet type. Add 10 g for conduit, 30 g for DIN terminal, and 60 g for conduit terminal type respectively.
¡Refer to “Glossary of Terms” on page 28 for details on the max. operating pressure differential.
Series VXZ
16