Coupling & Gasket

COMPLETE COUPLINGS QUICK RELEASE COUPLINGS BACKING FLANGES INSERTS ADAPTOR BACKING FLANGES PTFE -O- RING WITH LOCKING COLLAR PTFE BELLOWS – GLASS TO GLASS PTFE BELLOWS GLASS TO METALS BELLOW FLANGES ADAPTER BELLOW FLANGES

1

Bellow flanges are used to fit a bellow to a glass component. Standard Bellow are made of 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 nxdØ nxdØ
 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 9Ø
 BF12 395 10 x 11Ø 2 x 11Ø