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ISO 9001
EN 29001
Installation, Operating, and Maintenance Instructions
Series 021
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email reception@vat.ch http://www.vat.ch
205440EC
2003-04-14
3/12
- valve body, gate aluminum
3.2315, AA6081, AlMgSi1
- valve body, gate stainless steel
1.4435, AISI 316L
- bellows end pieces
1.4435, AISI 316L
- bellows
AISI 633 (AM 350)
- bonnet seal
FKM (VITON®) *)
- gate seal
FKM (VITON®) *)
Mounting position
any
Position indicator
- Contact rating
3 A / 50 V DC
Compressed air pressure
4 - 7 bar / 55 - 95 psig (overpressure)
Compressed air connections
internal threads M5 *)
- without solenoid :
connections „open“ and „closed“
- with solenoid :
connection „P“ for air supply
connection „R“ for exhaust
Action at power failure
- valve closed
depends on type of solenoid
- valve open
depends on type of solenoid
Action at compressed air failure
- valve closed
valve remains closed
- valve open
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Closing time
< 1 s *)
Opening time
< 1 s *)
*) Standard specification. Specifications for optional features are provided on the
dimensional drawing of the product.
