7
APV_SI2_UK-6_012019.indd
UK
Safety Valve
DELTA SI2
Instruction manual UK-rev. 6
APV
8. Technical Data
8.2.
Compressed air quality:
Quality class acc. to DIN/ISO 8573-1
-
Content of solid particles:
quality class 3, max. size of solid
particles per m³
10000 of 0,5 µm < d < 1,0 µm
500 of 1,0 µm < d < 5,0 µm
-
Content of water:
quality class 4, max. dew point
temperature -20 °C. For installations
at lower temperatures or at higher
altitudes, additional measures must be
considererd to reduce the pressure dew
point accordingly.
-
Content of oil:
quality class 1, max. 0,01mg/m³
The oil applied must be compatible with Polyurethane
elastomer materials.
9. Materials
housing, housing cover, shafts:
1.4404 /1.4571
(DIN EN 10088)
complete spring cylinder, screws:
1.4301
(DIN EN 10088)
seals
standard:
EPDM / PTFE
options:
VMQ , FPM, HNBR
seat lift actuator, cover:
Vestamid L 1930
air connection:
PA 6.6
