Installation, Operating, and Maintenance Instructions
Series 01, DN 16 - 50 (5/8" - 2")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
271691EB
2009-03-09
8/15
3.6
Emergency operation at power failure
In case of a power failure, the valve can be actuated manually if compressed air is available:
Ordering No. 010 . . - . E32/42
Pneumatic actuator:
single acting with opening spring (NO)
Ordering No. 010 . . - . E31/41
Pneumatic actuator:
single acting with closing spring (NC)
Emergency operation
(push-button)
Press push-button:
valve closes
Release push-button: valve opens
Emergency operation (slotted screw)
Turn in clockwise order:
valve opens
Turn in counter-clockwise order: valve closes
Attention!
Remote operation is only possible if the emergency
operation (slotted screw) is turned counter-clockwise to
its stop.
Ordering No. 010 . . - . E34/44
Pneumatic actuator: double acting
Standard solenoid
Solenoid for impulse actuation (option)
Press key-button:
valve opens
Release key-button: valve closes
Press push-button on the left: valve opens
Press push-button on the right: valve closes
