Installation, Operating & Maintenance Instructions
Series 284, DN 16, 25, 40, 63
(ID 5/8”, 1”, 1½”, 2½”)
Series 285, DN 16, 25, 40, 63
(ID 5/8”, 1”, 1½”, 2½”)
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
268249EF
2011-07-14
4/8
1
Use of product
Use product for clean and dry indoor vacuum applications under the conditions indicated in chapter «Technical data» only!
Other applications are only allowed with the written permission of VAT.
1.1 Technical data for standard valve
Leak rate
- body
≤
5
.
10
-10
mbar ls
-1
- valve seat
≤
1
.
10
-9
mbar ls
-1
Pressure range
1
.
10
-10
mbar to 5bar, abs
Admissible differential pressure on the plate
in
opening
direction
≤
2bar
in
closing
direction
≤
5bar
Differential pressure at opening
≤
1bar in either direction
Admissible temperature:
valve body
0 - 150°C
hand wheel
0 - 120°C
Cycles until first service
10’000 (T
max
80°C; differential pressure max 1bar)
Technical data for valve with specific options according to «product data sheet».
Product data sheet on request.
