17
6.2 Technische Daten 74-3800 Serie
Max. Eingangsdruck: ....................................... 42, 70, 240 bar
Regelbereiche: ............................................... 0 - 2, 0 - 4, 0 - 7 & 0 - 10 bar
Design Prüfdruck: ................................................. 150% of max. Eingangsdruck
Heliumleckrate innen: ..................................... < 1 x 10
-9
mbar l/s He
Betriebstemperatur:
Vespel
®
:
........................................................ -40 °C bis +177 °C
PCTFE: .......................................................... -40 °C bis +93 °C
Teflon PFA
®
: ................................................... -40 °C bis +71 °C
Durchflusskoeffizient: ...................................... Cv = 0,5
Vordruckabhängigkeit: .................................... -1.3 %
Medienberührte Teile:
Gehäuse: .............................................................316L VAR Edelstahl elektropoliert oder 316L
VAR Edelstahl mit Precision Eletro-Polish (Ra
0,25 µm oder Ra 0,13 µm Oberflächengü-
te)
Membran: ..................................................... 316L Edelstahl
6.2 Technical Data 74-3800 Series
Max. rated inlet pressure: ................................. 42, 70, 240 bar
Outlet pressure ranges: ................................... 0 - 2, 0 - 4, 0 - 7 & 0 - 10 bar
Design proof pressure: .......................................... 150% of max. rated pressure
Certified maximum inboard leak rate: ............... < 1 x 10
-9
mbar l/s He
Operating temperature:
Vespel
®
:
........................................................ -40 °C to +177 °C
PCTFE: .......................................................... -40 °C to +93 °C
Teflon PFA
®
: ................................................... -40 °C to +71 °C
Flow capacity: ............................................... Cv = 0.5
Decaying inlet characteristic: ........................... -1.3 %
Media contact materials:
Body ....................................................................316L VAR SST with electropolish or 316L
VAR SST with Precision Eletro-Polish (Ra
0.25 µm oder Ra 0.13 µm finish)
Diaphragm: ................................................... 316L Stainless Steel
Europe
and
Middle
East
only
