Venn JB-24 type (double type) bellows type expansion joint

Manufacturer: Venn Co., Ltd.
Model: JB-24

Features

  • Durability improves by adopting a double-layer bellows.
  • In addition, all parts except the flange makes of stainless steel.
  • Moreover, a loose flange uses for the end connection.
  • As a result, it absorbs circumferential bolt hole misalignment and makes installation easier.

Specifications

Product codeJB24-N
Valve typeBellows type expansion joint
Nominal diameter20-300 (3/4-12)
Applicable fluidSteam, air, inert gas, water, hot water, oil
Fluid temperature250 ℃ or less
Maximum working pressure2.0MPa
End connectionJIS 20K loose flange
Expansion and contraction amount70mm
Growth20mm
Shrink50mm
Material FlangeCarbon steel
Material outer cylinderStainless steel
Material Inner cylinderA240-316L (equivalent to SUS316L)
Material bellowsA240-316L (equivalent to SUS316L)

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