Technical Data; Medium; Temperature; Pressure - Gemü R677 Betriebsanleitung

6 Technical data

6.1 Medium

Working medium:

6.2 Temperature

Ambient temperature:
Storage temperature:

6.3 Pressure

Operating pressure:
Pressure rating:
Leakage rate:
Pressure/temperature
correlation:
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Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and
chemical properties of the body and diaphragm material.
Valve body material
PVC-U, grey (code 1)
ABS (code 4)
PP, reinforced (code 5)
PVDF (code 20)
Inliner PP-H grey / outliner PP, reinforced (code
71)
Inliner PVDF / outliner PP, reinforced (code 75)
10 — 40 °C
MG
20
25
40
50
80
100
All pressures are gauge pressures. Operating pressure values were determined with static operating pressure
applied on one side of a closed valve. Sealing at the valve seat and atmospheric sealing is ensured for the given
values.
Information on operating pressures applied on both sides and for high purity media on request.
PN 10
Leakage rate A (acc. to EN 12266-1)
Valve body material
Materials Code -10
PVC-U 1 -
ABS 4 10.0 10.0 10.0 10.0 10.0 10.0
PP 5 -
PP-H 71 -
PVDF 20 10.0 10.0 10.0 10.0 10.0 10.0
PVDF 75 10.0 10.0 10.0 10.0 10.0 10.0
Data for extended temperature ranges on request. Please note that the ambient temperature and media temper-
ature generate a combined temperature at the valve body which must not exceed the above values.
DN
15
20
25
32
40
50
65
80
100
Temperature in °C (valve body)
±0 5 10 20
- - 10.0 10.0 10.0
- 10.0 10.0 10.0 10.0
- 10.0 10.0 10.0 10.0
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10 — 50 °C
-10 — 50 °C
5 — 50 °C
-10 — 50 °C
5 — 50 °C
-5 — 50 °C
Diaphragm materials
Elastomer
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
25 30 40 50
8.0 6.0 3.5 1.5
8.0 6.0 4.0 2.0
8.5 7.0 5.5 4.0
8.5 7.0 5.5 4.0
9.0 8.0 7.1 6.3
9.0 8.0 7.1 6.3
6 Technical data
PTFE
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 10
0 - 6
0 - 6
60 70 80
- -
- -
2.7 1.5
2.7 1.5
5.4 4.7
5.4 4.7
GEMÜ R677