ATTUATORI .
- PNEUMATIC ACTUATORS AND ACCESSORIES -
UsermanING ISSUE .10 March 2004
GT ATTUATORI S.r.l. REA MI 1558400 FAX (02) 90390368
V.le Europa 17 - 20090 Cusago Partita IVA e Cod.Fisc.12449540157 TEL (02) 90390322
Milan - ITALY- E-mail g.trevisan@iol.it
www.gtrevisan.it
PAG. 15 OF 20
INSTALLATION
OPERATION &
MAINTENANCE MANUAL
G.T. Attuatori also offers coils for low consumption ( 1.4 W - 2 VA), for Explosion Proof ( EExm II T4 ) and
Intrinsecally safe ( EEx ib IIc T6 ).
For more information require G.T. Attuatori for proper literature.
9.0 SOLENOID VALVES INSTALLATION
9.1 - Choose appropriate sized direct mounting solenoid valve.
If you are using a solenoid valve not designed to be direct mounted to actuator, assembly will require
actuator to valve piping.
9.2 - Affix the solenoid valve to side of actuator with 2 M5x25 socket head screws, supplied with the solenoid
valve, inserting in the middle suitable O-Rings into the port seats A and the Commutation Disk Pack into the port
seats B.
Connect supply line to solenoid valve central port ( Supply ).
Pressurize line and check for possible leaks.
9.3 - G.T. Attuatori solenid valves are equipped with manual override.
By rotating for 180°, on position 1 little red lever, present on solenoid pilot base and normally on
posìition 0 , the solenoid valve is manual operated and then the actuator is operated too. Returning little red lever
in position 0 , everything will go back to starting position.
Hole for positioning
grub screw
Holes for solenoid
valve fixing screws
FIGURE 10
Solenoid valve type: SV1. NAMUR
Exhaust
port
Exhaust
port
Supply
port
Red lever for
manual override
Seat for positioning
grub screw
Port B
Port A
Commutation Disk Pack
3/2 - 5/2
O-Rings
Port A
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