12
APV_RGMS4_ATEX_UK-1_122018.indd
UK
Modulating valve with supported producut diaphragm
APV DELTA RGMS4 - MFS + MFH ATEX
Instruction manual UK-1
APV
9. Technical Data
9.1.
General terms
- permissible operating pressure:
inlet pressure p1 = 16 bar (in front of valve seat)
outlet pressure p2 = 10 bar (in housing, on diaphragm)
- correcting ratio:
1:50
- max. operating temperature:
135 °C EPDM, HNBR
*VMQ, *FPM
- short-term load:
140 °C EPDM, HNBR
*VMQ, *FPM
*(no steam)
- leakage
indication
in the yoke area:
G1/8"
- actuating
pressure
of diaphragm actuator:
max. 6 bar
(min. 0.4 bar above max.
actuating pressure, e.g.
0.6–3 bar
*min.: 3.4 bar)
- command
variable
of electro-pneumatic positioner: 4–20 mA
- command
variable
of pneumatic positioner:
0.2–1 bar
.9.2. Specification of compressed air
compressed air quality:
quality class according t
DIN/ISO 8573-1
content of solid particles:
quality class 3
max. size of particles per m
3
10000 von 0.5 µm < d < 1.0 µm
500 von 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 considered to reduce
the pressure dew point accordingly.
content of oil:
quality class 1
max. 0,01 mg/m
3
The oil applied must be compatible with Polyurethane
elastomer materials.