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Home  > Vacuum Components > HV Flanges > DN250LF > HV Series

Product Listing

HV Series

A rotatable bolt ring assembly is used to add bolt holes to a standard clawclamp style ISO LF flange. An assembly consists of one aluminium bolt ring and one retaining ring. The retaining ring fits into a groove on a claw-clamp style flange and holds the bolt ring onto the flange. Replacement retaining rings are also available separately.

  • HV rated to 1x10-8 mbar
  • High temperature rated to 200°C
  • Symmetric and non-rotatable geometries
  • Rotatable bolt ring available
  • Elastromer O-ring Seal
  • Two Methods and Fastening
  • ISO-Compatible and Modified ISO Design

HV Flanges DN250LF HV Series

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Flanges 304ss
Rotatable bolt ring Aluminum
0-rings Viton®orBuna-N® elastomer
Claw-clams Aluminum
Calw-clam MS, (4 required)
Bolt Type Hexagonal head,M8
Nut Type Hexagonal
Torque Bolts: 9-14 Nm
Vacuum Range lxl0 8 mbar
Temperature range Minimum Intermittent Sustained
Viton® -20°C 200°C 150°C
Buna-N® -20°C 100°C 200°C
Weight 34 kg maximum
Clamp style 290 OD x 261 ID maximum
Bolt style 335 OD x 261 ID maximum
For conversion tables click here

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