Detail Italvalvole Butterfly Valve SPOM/ 88
Italvalvole Butterfly Valves are developed in different models and manufactured of various mateials to meet in the best way any specific requirement both of planners and of installers.
General Characteristics:
- bidirectional flow, wafer type butterfly valve and PTFE tightening element.
- standard production: spheroidal cost iron body, 316 stainless steel disk and PTFE seat.
- the use of gaskets in the space separating the flanges is not required, thanks for the special shape of the seat.
- the fluid is in contact with PTFE seat and the 316 stainless steel disk only
- this model is particularly suitable to solve any problem of shut off and control of chemical fluids towards the commun elastomers.
- perfect tightness with differential pressure at 11 bars and hard vacuum
- maximum operating temperature 150º C.
- installation in the space separating flanges PN 10, PN 16, PN 25, ANSI 150.
Italvalvole Butterfly Valve Sizing:
DN
40
50
65
80
100
125
150
200
250
300
350
A
91
107
127
142
162
192
218
273
330
385
445
B
71
88
92
115
128
138
152
176
226
258
280
C
122
129
14 3
152
173
204
218
242
301
338
391
D
193
217
235
267
301
342
370
418
527
596
671
E
33
44
47
47
53
57
57
60
69
79
78
F
90
90
90
90
90
90
90
90
125
125
175
G
70
70
70
70
70
70
70
70
102
102
140
H
140
140
140
140
140
170
200
200
200
387
387
I
260
265
282
290
312
362
456
476
456
600
680
L
9
9
9
9
9
9
9
9
11
11
17
Ø M
12.7
12.7
12.7
12.7
12.7
16
16
16
18
22
22
N
145
158
167
175
197
22 1
235
261
325
348
380
O
295
304
314
321
331
346
439
466
494
524
550
P
21.5
2 1.5
21.5
21.5
21.5
27
27
27
27
41
41
Q
250
250
250
250
250
250
330
330
330
3 30
330
R
216
246
259
290
325
359
387
437
551
606
660
S
7
7
13
17
25
35
48
70
90
111
150
T
331
353
374
405
440
500
608
652
772
858
960
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