BF 31
Gas Valves

BF 31

BF31 butterfly valves are interception devices for average/low pressure gas pipelines.
They may be used also for intercepting liquids when a hermetic seal, low pressure losses and compact construction in the flow direction are required.
The special  features of these valves are as follows:
•    Hermetic internal seal with shut valve
•    Low  pressure losses
•    Can rotate butterfly through  360° so the seat is self-cleaning  without removing the body from the pipe
•    Not fitted permanently to pipe, as both  flow directions are possible
•    Butterfly with sealing ring
•    Chromium-plated body spherical seat for  longer life with hermetic internal seal and low control torques
•    Highly reliable
•    Built  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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Pietro Fiorentini is a global leader in designing and construction of components and systems for natural gas.

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