Detail Italvalvole Butterfly Valve IVFTT
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 elastomeric tightening element.
- standard production: spheroidal cast iron body, 316 stainless steel disk and EPDM H.T. seat.
- the use of gaskets in the space separating the flanges is not required thanks to the special shape of the seat.
- the fluid is in contact with the seat and the 316 stainless steel disk only.
- perfect tightness with differential pressure at 11 bars and hard vacuum.
- maximum operating temperature with EPDM seat: 150º C.
- tightening seats made of other elastomers are available by request
- installation in the space separating flanges PN 10, PN 16, PN 25, ANSI 150.
Italvalvole Butterfly Valve Sizing: ( series IVFTT)
DN
40
50
65
80
100
125
150
200
250
300
350
A
91
107
127
142
162
192
218
272
330
385
445
B
71
81
87
94
120
130
144
170
226
258
280
C
122
129
143
152
173
204
218
242
301
338
391
D
193
210
230
246
293
334
362
412
527
596
67 1
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
170
200
200
3 87
387
I
260
265
282
290
312
362
376
476
546
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
221
235
261
325
348
380
O
295
304
314
321
331
346
439
466
494
524
550
P
21.5
21. 5
21.5
21.5
21.5
27
27
27
27
41
41
Q
250
250
250
250
250
250
330
330
330
330
330
R
216
239
254
269
317
351
379
431
551
606
660
S
7
7
13
17
25
35
48
70
9 0
111
150
T
331
346
369
384
432
492
520
646
772
800
900
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