BF 31
Description
The butterfly valve BF 31 is an interception device able to guarantee low pressure losses. It may be used also for intercepting liquids when a hermetic seal, low pressure losses and compact construction in the flow direction are required.
Suitable for use with natural gas and previously filtered non-corrosive gases, it is mainly used in medium and low pressure gas distribution networks.
Features
- Design pressure: up to 19 bar (ANSI 150)
- Design temperature: from -10 °C to +150 °C (VITON), from -10 °C to +100 °C (NITRILE)
- Nominal sizes DN: up to 24″
- Flanges: ANSI 150 according to ASME B16.5 and PN 16 according to EN 1092
- End to end dimensions: according to UNI 11354, ISO 5752, MSSSP 67, BS 5155-74
