7 Technical data
7.1 Medium
Working medium:
7.2 Temperature
Media temperature:
Ambient temperature:
Storage temperature:
7.3 Pressure
Operating pressure:
Vacuum:
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Gaseous and liquid media which have no negative impact on the physical and chemical properties
of the disc and seat material.
-10 — 160 °C
Depending on the liner and disc material or the type of liner fixing
Liner material
J
NBR (code J)
F
SBR (AB/P) (code F)
(7)I
NR (AB/W) (code I)
M
EPDM, white (code M)
N
NBR (code N)
U
NBR, white (code U)
W
EPDM (code W)
E
EPDM (code E)
H
CSM (code H)
Z
EPDM HT (code Z)
V
FPM (code V)
EPDM SHT (code T)
T
FKM+ (code O)
O
-10
0
FKM material not suitable for water/steam applications above 100 °C,
Observe Pressure/Temperature diagram.
-10 — 70 °C
-20 — 40 °C
DN 25–200: 0–16 bar
DN 250–600: 0–10 bar
Observe pressure/temperature diagram
Use as an end-of-line valve:
DN 25–200: 10 bar
DN 250–600: 6 bar
Can be used up to a vacuum of 800 mbar (abs) with replaceable liner or with bonded liner up to a
vacuum of 2 mbar (abs) through a leakage rate at 10
These values apply to room temperature and air. The values may deviate for other media and other
temperatures.
Disc material (code E)
10
20
30
40
50
60
Temperature [°C]
Not recommended for permanent temperature
-3
[mbar l/sec]
53 / 92
Disc material (code R)
70
80
90
100
110
120
GEMÜ R480 Victoria
7 Technical data
130
140
150
160