Butterfly Valve Technical Data; Medium; Temperature; Pressure - GEM R488 Victoria Operating Instructions Manual

7 Butterfly valve technical data

7.1 Medium

Working medium:

7.2 Temperature

Ambient temperature:
Media temperature:
Storage temperature:

7.3 Pressure

Operating pressure:
Pressure/temperature
diagram:
Pressure rating:
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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 — 70 °C
-10 — 150 °C
Depending on the liner and disc material or the type of liner fixing
Liner material
NBR (code J)
SBR (AB/P) (code F)
EPDM (code M)
EPDM (code W)
NBR (code N)
EPDM (code E)
EPDM (code Z)
FPM (code V)
-10 0
14 32
FPM material not suitable for water/steam applications above 100 °C,
Observe Pressure/Temperature diagram.
5 — 40 °C
0 to 16 bar
Use (installation) as end-of-line valve
DN 50 – 200: 10 bar
DN 250, 300: 6 bar
18
DN 50 - 200
16
14
12
DN 250, 300
10
8
6
4
2
0
-20 0 20
PN 6
PN 10
PN 16
Bonded liner (code B)
Disc material (code E)
10 20 30 40 50 60
50 68 86 104 122 140 158 176 194 212 230 248 266 284 302
40 60 80 100
Temperature [°C]
85 / 136
7 Butterfly valve technical data
Disc material (code R)
70 80 90 100 110 120 130 140 150
Temperature
120 140 160
GEMÜ R488 Victoria
°C
°F
180 200