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Installation, Operating & Maintenance Instructions
Series 48.2, DN 63-160 (I.D. 2 ½ - 6")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected]
www.vatvalve.com
273777ED
2007-03-30
5/19
2.3 Connections
2.3.1 Compressed air connection
Connect compressed air only if
- valve is installed into the vacuum system
- moving parts cannot be touched
Connection: internal thread R
1
/
8
“ (
1
/
8
“ NPT for USA)
Connection for compressed air supply:
Compressed air pressure (min. - max. overpressure): 4 - 8 bar / 55 - 110 psig
Use only clean, dry or slightly oiled air!
Valves equipped with a fast closing device, may reduce the specified cycle lifetime
Without solenoid
Connections «open» and «closed» for air supply
Option: Radiation resistant solenoid (2x3/2way) E6Gy
Connections «open» and «closed» for air supply
With solenoid or pneumatic box (series 80)
Connection «1» for air supply, connections «3» and «5» for exhaust
Standard solenoid E4Gy
Option: Solenoid for impulse actuation E4Gy