22
8. Technical specifications
(0) 2018/05
8.
Technical specifications
8.1.
TECHNICAL SPECIFICATIONS
Valve
Maximum working pressure
10 bar
Maximum opening pressure
6 bar
Minimum working pressure
Vacuum
Maximum working temperature
121ºC (250ºF) Standard seals EPDM
(for higher temperatures, other grades of seals will be used)
Actuator
Compressed air pressure
6-8 bar
Compressed air quality
Per DIN/ISO 8573.1:
-
Solid particulate content: Quality class 3 / max.
particle dimension 5 microns / max. particle density 5
mg/m
3
.
-
Water content: Quality class 4 / max dew point +2ºC.
If the valve is used at high altitude or under low
ambient temperature conditions, the dew point must
be adjusted accordingly.
-
Oil content: Quality class 5, preferentially oil free /
max. 25 mg oil per 1m
3
air .
Compressed air fitting
G 1/8
Compressed air consumption (litres N/cycle)
DN
Litres/cycle
25
0,7
40
0,7
50
0,18
65
0,31
80
0,31
100
0,31
Materials
Parts in contact with the product
AISI 316L (1.4404)
Other steel parts
AISI 304 (1.4301)
Seals in contact with the product
EPDM (standard) – FPM – HNBR
Internal surface finish
Polished Ra ≤ 0,8 µm
Outer surface finish
Matt
Sizes available
DIN 11850
DN 25 – DN 100
ASME BPE
OD1”– OD4”
Connections
Welded
