BELLOW FLANGES

Bellow flanges are used to fit a bellow to a glass component. These are made of Cast iron however it can be also supplied with Epoxy Coating or with PTFE coating. Other Material of construction include Aluminum, Stainless Steel -304 & 316, Silumin etc. They are used in FBN,VB, FB type bellows. 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