3, Rumyantsevo Business Park,
entrance 20, office 404,
Rumyantsevo, Moscow.
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BF 31

The BF31 butterfly valves are interception devices for average/low pressure gas pipelines.
They may be used also for intercepting liquids when ermetic seal, small pressure losses and compact construction in the flow direction are required.

The peculiar features of these valves are the following:

  • hermetic internal seal with shut valve
  • small pressure losses
  • possibility of rotating the butterfly of 360° with consequent self cleaning of the seat without removing the body from teh piping
  • not fixed assembly on the piping, since the two flow directions are possible
  • butterfly with sealing ring
  • chromiun-plated body spheric seat for ensuring longer life with hermetic internal seal and low control torques
  • high reability
  • construction according to UNI 9245 standard
  • face to face according to UNI 9245 and ISO 5752, MSS - SP 67, BS 5155-74 standard

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BF 31

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