Soft-start/quick exhaust
valve MS9-SV-...-C
Festo AG & Co. KG
Postfach
D-73726 Esslingen
+49 711 347 0
www.festo.com
Operating instructions
8004379
1205NH
Original: de
Soft-start/quick exhaust valve MS9-SV-...-C
English
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1
Product description
1.1 Operating elements and connections
1
2
3
4
5
6
7
8
9
1
Pilot solenoid valve
2
Manual override at the soft-start/
quick exhaust valve
3
Pneumatic port 1 (compressed air
inlet)
4
Pneumatic port 3 (exhaust)
5
Silencer
6
Manual override at the pilot solen-
oid valve
7
Flow control screw for setting the
filling time
8
Adjusting screw for setting the
pressure switching point
9
Pneumatic port 2 (compressed air
outlet)
Fig. 1
Control sections and connections
1.2 Characteristics
Characteristics
Type
Specification
Series
MS
Standard service unit
Size
9
Grid dimension 90 mm
Function
-SV
Soft-start/quick exhaust valve
Connection size
-3/4
Thread G
¾
-1
Thread G1
-AGD
Connecting plate G
½
-AGE
Connecting plate G
¾
-AGF
Connecting plate G1
-AGG
Connecting plate G1
¼
-AGH
Connecting plate G1
½
-N3/4
Thread N
¾
-N1
Thread N1
-AQR
Connecting plate N
½
-AQS
Connecting plate N
¾
-AQT
Connecting plate N1
-AQU
Connecting plate N1
¼
-AQV
Connecting plate N1
½
-G
Module without connecting thread, without connecting
plate
-NG
Module without connecting thread, without connecting
plate (connection 3 in NPT)
Performance level
-C
in accordance with EN ISO 13849-1
Supply voltage
-V24
24 V DC (connection arrangement in accordance with
EN 175301)
-10V24P 24 V DC (M12 in accordance with IEC 61076-2-101)
-V110
110 V AC (connection arrangement in accordance with
EN 175301)
-V230
230 V AC (connection arrangement in accordance with
EN 175301)
Options
-S
Silencer
Tamper protection
-MH
Cover – only manual override (MO)
-MK
Cover – adjusting screws pressure switching point (PSP)
and main throttle (MT), manual override (MO)
Fig. 2
Overview of variants
2
Function and application
The electro-pneumatic soft-start/quick exhaust valve MS9-SV-...-C is intended for
fast pressure reducing as well as pressure reducing in pneumatic piping systems
and terminals in industry.
Symbol
Function
Soft-start/quick exhaust valve, electro-pneumatically
actuated
Fig. 3
Circuit symbol of the functions
The product is intended for installation in machines or automated systems and
may be used only in the following ways:
– in industrial applications
– within the limits of the product defined through the technical data
(
13 Technical data)
– in its original status, without unauthorised modifications
– in perfect technical condition
2.1 Foreseeable misuse
Foreseeable misuse includes:
– use outdoors
– use as a press safety valve
– use in the non-industrial area/residential area
– use outside the limits of the product defined in the technical data
– unauthorised modifications
– use in reversible operation (reversal of supply and exhaust air)
– “low demand mode” in accordance with EN 61511 or vacuum operation
Note
In the event of damage caused by unauthorised manipulation or use other than
that intended, the guarantee is invalidated and the manufacturer is not liable for
damages.
