VIDEO:
30 SECOND
PART BUILDER
EXPLAINED
- SMC Home
- Fluid Process
- Valves Specialized Application
- 2 Port Valve for Flow Control
- VNB (Air Operated), Process Valve for Flow Control
VNB (Air Operated), Process Valve for Flow Control
The VNB series a 2 port process valve for a wide variety of fluids including air, water, oil, gas and vacuum. It is available with three types of body material: copper alloy, aluminum and stainless steel.
- Air operated type
- Flow rate ranges from Cv of 0.80 to 43
- Orifice size: 7mm to 50mm
- Port size: 1/8 to 2 Rc(PT)
- Seal material: NBR, FKM, EPR
How to order
VNB 15A 1
VNB 15A
Air operated
External pilot solenoid
2
2
1
1
A
A
1
0
T
Valve size
Thread type
Nil
F
N
T
Rc
G
NPT
NPTF
Valve type Port size
Manual override
Rated voltage
Orifice
dia.
(mm)
Symbol
Symbol
Symbol
1
N.C.
0.5 MPa
N.O.
1 MPa
C.O.
1 MPa
Por t
size
Rc
ø7
ø11
ø15
ø11
1
6A
8A
10A
10A
15A
20A
25A
1 2 3
Note 1)
N.C.
1 MPa
4
2
ø15
ø14
3
ø20
ø16
Note 1) Air operated only
Note 2) The valve type symbols for vacuum pilot type
are 1 (N.C.) and 2 (N.O.) only.
ø25
4
32A
ø22
5
ø32
1 B
32F
ø22
ø32
ø28
ø40
6
ø28
ø40
2
50A
ø33
7
ø50
2B
50F
ø33
ø50
1
8
1
4
3
8
3
8
1
2
3
4
1
4
1
1
4
Valve
size
1 to 4
Nil: Non-locking push type
Nil: Non-locking
push type
Valve
size
5 to 7
Note 1) Electrical entry: D or DZ
only
Note 2) Semi-standard
Note 3) For other rated voltages,
please consult with SMC.
Note) Semi-standard
Seal material
A
B
C
NBR seals
FKM seals
EPR seals
Flange
40A
1 B
40F
1
2
1
1
2
Flange
Flange
Body material option
Nil
Standard
S
∗
Stainless steel body
L
∗
Aluminum body
∗Threaded port only
Electrical entry/With light/surge voltage suppressor
Symbol Electrical entry
Valve
size
1 to 4
Valve
size
5 to 7
G
GS
E
EZ
T
TZ
D
DZ
Grommet
Grommet with surge voltage suppressor
Grommet terminal
Grommet terminal with light/surge voltage suppressor
Conduit terminal
Conduit terminal with light/surge voltage suppressor
DIN terminal
DIN terminal with light/surge voltage suppressor
Graph (4) VNB Pilot Pressure
(N.O. and C.O. types)
2
3
Bracket (valve size: 1/2/3/4.)
Nil
B
Note)
None
With bracket
2 to 4
Process Valve: 2 Port Valve
For Flow Control
VNB Series
Pilot system option
Nil
V
Standard
Vacuum pilot type
Note) Symbol V is for vacuum pilot
valve specification, for both
main pressure and pilot
pressure, valve size 2 to 7.
100 VAC 50/60 Hz
200 VAC 50/60 Hz
110 VAC 50/60 Hz
220 VAC 50/60 Hz
24 VDC
12 VDC
240 VAC 50/60 Hz
1
2
3
Note 2)
4
Note 2)
5
6
Note 2)
7
Note 2)
A: Non-locking
push type A
(projecting)
Note)
B:
Slotted locking type B
(tool required)
Note)
CE-compliant
Nil
Q
—
CE-compliant
∗
∗ Electrical entry: D or DZ only
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1
Pilot pressure (MPa)
Operating pressure (MPa)
0.2 0.3 0.4 0.5 0.6 0 .7 0.8 0.9
The pilot pressure should be within the
range of
A
against the operating pressure.
A
CE-compliant
D
DZ
DIN terminal
DIN terminal with light/surge voltage suppressor
How to Order
Refer to Table (1) for avail-
ability.
Note)
Only valve sizes 1, 2, 3 and 4.
Shipped after assembled at our factory.
Bracket part no.
Valve size 1: VN1-A16 (with thread)
Valve sizes 2 to 4: VN-16
[Option]
∗ Electrical entry: D or DZ
only.
Symbol Electrical entry
Valve
size
1 to 4
Valve
size
5 to 7
568
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