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Bonnet material
Bonnet
Cap (DN 10 to DN 40)
Cap (DN 50 to DN 100)
653 handwheel
654 handwheel
Operating pressure [bar]
Diaphragm size
EPDM / FPM
8
10
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.
Version with PTFE diaphragm up to 10 bar possible with bonnet
special function "H" and forged valve body.
Diaphragm
DN
size
Code 0
4
6
8
8
10
15
10
10
15
20
15
25
20
25
32
40
40
50
50
65
80
80
100
100
Kv values determined acc. to IEC 534 standard, inlet pressure 6 bar, Δp 1 bar, stainless steel valve body and soft elastomer diaphragm.
GEMÜ 654 - 0TN
GEMÜ 654 - 0TH (MG 8)
(MG 8)
PTFE
0 - 10
0 - 6
0 - 10
0 - 6
0 - 10
0 - 6
0 - 10
0 - 6
0 - 10
0 - 6
0 - 10
0 - 6
0 - 10
0 - 6
Kv values [m³/h]
DIN
DIN 11850
DIN 11850
Series 1
Code 16
0.5
-
1.1
-
1.3
-
-
2.1
-
-
-
2.4
3.3
3.8
-
-
4.1
4.7
6.3
7.0
13.9
15.0
25.3
27.0
29.3
30.9
46.5
48.4
-
-
-
-
-
-
Values measured at 25 °C ambient temperature
120
100
80
60
40
20
0
0
20
DIN 11850
Series 2
Series 3
Code 17
Code 18
-
-
-
-
-
-
2.1
2.1
-
-
2.4
2.4
3.8
3.8
-
-
4.7
4.7
7.0
7.0
15.0
15.0
27.0
27.0
30.9
30.9
48.4
48.4
77.0
-
111.0
-
194.0
-
GEMÜ 653 - T
(MG 10 - 100)
31 / 56
A4 stainless steel
PPS glass filled
A4 stainless steel
40
60
80
100 120 140 160
Medium temperature [°C]
SMS 3008
ASME BPE
Code 37
Code 59
-
-
-
-
-
0.6
-
1.3
-
2.0
-
2.2
-
2.2
-
3.8
-
-
-
4.4
12.6
12.2
26.2
-
30.2
29.5
51.7
50.6
68.5
68.5
80.0
87.0
173.0
188.0
GEMÜ 654 - T
GEMÜ 653 - D
(MG 10 - 100)
(MG 10 - 50)
653, 654
PEEK
PES
EN ISO
1127
Code 60
-
1.2
2.2
-
-
3.3
4.0
-
7.4
13.2
16.2
30.0
32.8
55.2
96.0
111.0
214.0
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