ptfe bellows–glass to glass

These bellows are used in installation of glass equipment for following purposes :
1. to provide safe branching of pipelines from the main glass equipment.
2. to accommodate odd degrees and variation in length.

Bellows are supplied alongwith required bellow flanges and nut-bolts. Distance-locking bolts are provided to avoid excessive compression or contraction of the bellow. Gaskets are not required where bellows are used. For drilling details, refer “Bellow flanges”.

Line bellows

These can withstand a temperature of 200 °C under normal atmospheric conditions.

Cat.Ref.DNDD1D2L
 FBN1*2595413165
 FBN1.5*40105564365
 FBN2*50120695565
 FBN3*80155988265
 FBN4*10020013211165
 FBN6*15027518416265
 FBN9*22535025823065
 FBN1230042034030865

Vacuum Bellows

ptfe bellows–glass to glass2

For pipelines of 80DN and above operating under vacuum, the bellows are provided with an internal sleeve which supports the convolutions without affecting the flexibility of the bellow. These bellows can withstand a temperature of 200 °C under full vacum.

For size up to 50DN, line bellows can be used for these applications.

Cat.Ref.DNDD1D2LL1t
 VB3*8015598827053.0
 VB4*1002001321117053.5
 VB6*1502751841627054.0
 VB9*2253502532307054.5
 VB123004203383087054.5

* marked items are available fast.