STOP VALVES
Series STP
STOP VALVES
Stop valves mounted on the cylinder
inlets allow a flow of air only in the
presence of an pneumatic pilot.
Unidirectional and bidirectional versions
are available.
This item is mainly used as a safety
valve. When pressure drops in the
pneumatic pilot, all cylinder movement
is halted.
TECHNICAL DATA
1/8
1/4
3/8
1/2
1/8
1/4
3/8
UNIDIRECTIONAL
Operating pressure
bar
MPa
°C
°F
Operating temperature
Fluid
Flow rate (6 bar)
Type
Installation
Nl/min
250
350
UNIDIRECTIONAL STOP VALVE COMPONENTS
2
3
1
햲 Body: nickelplated brass
햳 Piston rod: steel
햴 Rotary ring:
nickel-plated
brass
햵 Valve: steel
햶 Gasket:
technopolymer
BIDIRECTIONAL
0,5 to 10
0,05 to 1
–10° to 60°
14°F to 148°
Lubricated or unlubricated filtered air
950
1450
320
700
1060
Female threaded ports - R automatic cartridge
In any position
1/2
BIDIRECTIONAL STOP VALVE COMPONENTS
1
2
3
4
5
4
5
4.3/32
1700
햲 Pilot ring: nickelplated brass
햳 Piston rod:
nickel-plated
brass
햴 Rotary ring:
nickel-plated
brass
햵 Stem with valve:
brass
햶 Body: nickelplated brass
Seals: NBR
STARTING PRESSURE
BIDIRECTIONAL VALVE
3
2.5
2
1.5
1
0.5
1
0
2
4
3
5
6
7
8
9
10
Pressione
di azionamento
Minimummin
starting
pressure (bar)(bar)
Minimum
starting
pressure (bar)
Pressione
min
di azionamento
(bar)
STARTING PRESSURE
UNIDIRECTIONAL VALVE
5
4
Pressure alla
at port
2 2
Pressione
bocca
3
2
Pressure alla
at port
1 1
Pressione
bocca
1
0
1
2
3
Working pressure
(bar)
Pressione
di utilizzo
(bar)
4
5
6
7
8
9
10
Working pressure
(bar)
Pressione
di utilizzo
(bar)
DIMENSIONS
BIDIRECTIONAL THREADED
STOP VALVE
Code
G
1-2
F
C
B
A
F2
F1
E
D
E1 G
7 7
W6001101001 STP-B 1/8 108 G 1/8 G 1/8 G 1/8 57.5 21.5 6.9 16
19.5 8 7
W6001111011 STP-B 1/4 104 G 1/4 G 1/4 G 1/8 65.7 25.5 8
22.3 10 7
8
W6001121021 STP-B 3/8 138 G 3/8 G 3/8 G 1/8 70.9 31
L
CH
21.5 41.9 14
21.5 48.1 17
21.5 53.3 22
D
F1
L
A
F2
E1
Description
1
C
E
CH
2
F
B
THREAD + PIPE BIDIRECTIONAL
STOP VALVE
G
Description
F
F1
2
A
B
C
D
E
G
L
CH
W6001101002
W6001111012
W6001121022
STP-BX 1/8-1/8 04
STP-BX 1/4-1/4 04
STP-BX 3/8-3/8 04
G 1/8
G 1/4
G 3/8
G 1/8
G 1/4
G 3/8
4
4
4
57.5
65.7
70.9
21.5
25.5
31
6.9
8
8
16
19.5
22.3
7
8
10
25
25
25
41.9
48.1
53.3
14
17
22
4
D
F1
L
E
1
C
A
ø2
1-2
Code
CH
2
F
B
4.3/33
PIPE BIDIRECTIONAL STOP VALVE
G
Description
F
1
2
A
B
C
D
G
L
CH
W6001101106
W6001111106
W6001111108
W6001121108
W6001121110
W6001131112
STP-B 1/8 006
STP-B 1/4 006
STP-B 1/4 008
STP-B 3/8 008
STP-B 3/8 010
STP-B 1/2 012
G 1/8
G 1/4
G 1/4
G 3/8
G 3/8
G 1/2
6
6
8
8
10
12
4
4
4
4
4
4
57.5
65.7
65.7
70.9
70.9
83.5
25
27.5
32
31.5
36.5
41.5
6.9
8
8
8
8
12
16
19.5
19.5
22.3
22.3
27
25
25
25
25
25
25
41.9
48.1
48.1
53.3
53.3
71.5
14
17
17
22
22
27
Code
Description
F
F2
A
B
C
D
E
F1
CH
W6001001001
W6001011011
W6001021021
STP-U 1/8 108
STP-U 1/4 114
STP-U 3/8 138
G 1/8
G 1/4
G 3/8
G 1/8
G 1/4
G 3/8
43.5
49.5
54.9
21.5
25.5
31
6
7
9
13
13.5
15
7
8
10
M5
G 1/8
G 1/8
14
17
19
D
ø1
L
A
ø2
1-2
Code
C
1
CH
2
2
F
B
12
1
UNIDIRECTIONAL THREADED
STOP VALVE
1-2
F1
2
12
1
D
F2
A
CH
1
C
E
B
2
F
UNIDIRECTIONAL PIPE STOP VALVE
1-2
F1
2
12
1
CH
C
D
ø
A
1
B
2
F
4.3/34
Code
Description
F
A
B
C
D
F1
CH
W6001001106
W6001011106
W6001011108
W6001021108
W6001021110
W6001031112
STP-U 1/8 006
STP-U 1/4 006
STP-U 1/4 008
STP-U 3/8 008
STP-U 3/8 010
STP-U 1/2 012
G 1/8
G 1/4
G 1/4
G 3/8
G 3/8
G1/2
6
6
8
8
10
12
43.5
49.5
49.5
54.9
54.9
61.4
25
27.5
32
31.5
36.5
41.5
6
7
7
9
9
10
13
13.5
13.5
15
15
17
M5
G 1/8
G 1/8
G 1/8
G 1/8
G 1/8
14
17
17
19
19
24