Crane Process Flow Technologies
26
SaundersKB TypeDiaphragmValves
FlowCo-efficients of ValveRangeCv (Kv)
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
25
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
37.80
35.10
32.10
29.10
26.50
22.70
18.90
14.00
9.10
4.50
0
32.40
30.10
27.51
24.94
22.71
19.50
16.20
12.00
7.80
3.86
0
30.60
28.40
26.04
23.60
21.40
18.40
15.30
11.30
7.30
3.70
0
26.20
24.30
22.32
20.20
18.40
15.78
13.10
9.70
6.30
3.20
0
39.00
36.00
33.00
30.00
27.30
23.40
19.50
14.40
9.40
4.70
0
33.40
30.87
28.30
25.70
23.40
20.10
16.71
12.30
8.10
4.00
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
100
B O D Y M A T E R I A L / L I N I N G
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
50
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
128.00
119.00
109.00
99.00
90.00
77.00
64.00
47.00
31.00
15.00
0
110.00
102.00
93.00
85.00
77.00
66.00
55.00
40.00
27.00
12.86
0
107.00
99.00
91.00
82.00
75.00
64.00
53.00
40.00
26.00
12.80
0
91.70
85.00
78.00
70.00
64.00
55.00
45.00
34.00
22.00
11.00
0
138.00
128.00
117.00
106.00
97.00
83.00
69.00
51.00
33.00
16.60
0
118.00
110.00
100.00
90.90
83.00
71.00
59.00
44.00
28.00
14.00
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
80
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
330
307
281
254
231
198
165
122
79
40
0
293
263
241
218
198
170
141
105
68
34
0
264
246
224
203
185
159
132
98
63
32
0
226
211
192
174
159
136
113
84
54
27
0
342
318
291
263
239
205
171
127
82
41
0
293
273
249
225
205
176
146
109
70
35
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
65
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
238
221
202
183
167
143
119
88
57
29
0
204
189
173
157
143
123
102
75
49
25
0
195
181
166
150
136
117
97
72
47
23
0
167
155
142
129
117
100
83
62
40
19
0
254
236
216
196
178
152
127
94
61
20
0
218
202
185
168
153
130
109
81
52
26
0
100
90
80
70
60
50
40
30
20
10
0
588
547
500
453
412
353
294
218
141
71
0
504
469
429
388
353
303
252
187
121
61
0
480
446
408
370
336
288
240
178
115
58
0
411
382
350
317
288
247
206
153
99
50
0
618
575
525
476
433
371
309
229
148
74
0
528
493
450
408
371
318
265
196
127
63
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
125
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
924
859
785
711
647
555
462
342
222
111
0
792
736
673
609
555
475
396
293
190
95
0
720
670
612
554
504
432
360
266
173
86
0
617
574
525
475
432
370
309
228
148
74
0
960
893
816
739
672
576
480
355
230
115
0
823
765
699
633
576
494
411
304
197
99
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
150
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
1680
1562
1428
1294
1176
1008
840
622
403
202
0
1440
1339
1224
1109
1008
864
720
533
345
173
0
1260
1172
1071
970
882
756
630
466
302
151
0
1080
1005
918
831
756
647
540
399
259
129
0
1800
1674
1530
1386
1260
1080
900
666
432
216
0
1543
1435
1311
1188
1080
926
771
571
370
185
0
Cast iron
RubberLined
Glass
%Open
Cv
Kv
Cv
Kv
Cv
Kv
DN
200
B O D Y M A T E R I A L / L I N I N G
100
90
80
70
60
50
40
30
20
10
0
2580
2399
2193
1987
1806
1548
1290
955
619
310
0
2211
2056
1880
1703
1548
1327
1106
819
531
266
0
2196
2042
1867
1691
1537
1318
1098
813
527
264
0
1882
1750
1600
1449
1318
1130
941
697
452
226
0
2724
2533
2315
2097
1907
1634
1362
1008
653
327
0
2335
2171
1985
1797
1634
1401
1167
864
560
280
0
Cv
is flow inUSgpm through valve at
∆
Pof 1psi
Kv
is flow inm
3
/hr through valve at
∆
Pof 1bar
For sizes DN15, 32 and 40, please contact customer service
department for details.
