4 pressure-temperature diagram, 5 required shut-off forces, Pressure-temperature diagram – Richter MVMP/F Series Diaphragm Valves with Actuator User Manual
Page 5: Required shut-off forces, Series mv/f, mvm/f, mvp/f, mvmp/f
Series MV/F, MVM/F, MVP/F, MVMP/F
Page 5
9510-050-en
Revision 02
TM 7669
Edition 10/2009
1.4 Pressure-temperature diagram
When used in the minus temperature range, the regulations applicable in the country in question must be
observed.
1.5 Required shut-off forces
Forces apply to PFA/PTFE-lined body and PTFE diaphragm. Other materials for linings and diaphragms require
different forces.
p1 is stated at p2 = 0 bar (overpressure)
bar
1
2
3
4
5
6
8
10
12
14
16
psi
14,5
29
43,5
58
72,5
87
116
145
174
203
232
DN
N
N
N
N
N
N
N
N
N
N
N
15
976
1040
1105
1181
1246
1311
1441
1582
1712
1842
1972
20
1370
1473
1572
1676
1779
1880
2085
2287
2494
2697
2904
25
1370
1473
1572
1676
1779
1880
2085
2287
2494
2697
2904
40
1598
1863
2133
2398
2663
2931
3463
3997
4529
5073*
5616
50
1598
1863
2133
2398
2663
2931
3463
3997
4529
5073*
5616
80
2904
3645
4383
5120
5861
6598
8077
9556
100
5019
6105
7190
8273
9360
10446
12616
14786
150
6665
8744
10825
12907
14985
17067