| Bellow flanges are used to fit a bellow to a glass component. Standard Bellow are made Cast Iron. Cast Iron with Epoxy Coated, Cast Iron with PTFE coated, Aluminum, Silumin, Stainless Steel 304 & 316 and are used in FBV, VB, FB type bellow. These are provided with two holes at 180° for Distance – locking bolts and are supplied with a split ring. |
| Cat.Ref. |
DN |
D |
D1 |
D2 |
D3 |
L |
L1 |
L2 |
| BF1 |
25 |
95 |
43 |
51 |
33 |
7 |
3 |
6 |
| BF1.5 |
40 |
110 |
58 |
66 |
45 |
7 |
3 |
6 |
| BF2 |
50 |
120 |
70 |
81 |
57 |
7 |
3 |
6 |
| BF3 |
80 |
155 |
101 |
112 |
84 |
7 |
3 |
6 |
| BF4 |
100 |
200 |
134 |
148 |
113 |
8 |
3 |
6 |
| BF6 |
150 |
275 |
186 |
196 |
164 |
8 |
3 |
6 |
| BF9 |
225 |
350 |
260 |
282 |
234 |
8 |
3 |
6 |
| BF12 |
300 |
425 |
342 |
363 |
310 |
10 |
5 |
8 |
|
| Drilling details |
| Cat. Ref. |
PCD |
n x dØ |
n x d1Ø |
| BF1 |
70 |
3 x 9Ø |
2 x 9Ø |
| BF1.5 |
86 |
3 x 9Ø |
2 x 9Ø |
| BF2 |
98 |
3 x 9Ø |
2 x 9Ø |
| BF3 |
133 |
6 x 9Ø |
2 x 9Ø |
| BF4 |
178 |
6 x 9Ø |
2 x 9Ø |
| BF6 |
254 |
6 x 9Ø |
2 x 9Ø |
| BF9 |
310 |
8 x 11Ø |
2 x 11Ø |
| BF12 |
395 |
12 x 11Ø |
2 x 11Ø |
|
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