SSX 176


The slam shut valve SSX 176 by Pietro Fiorentini is a compact safety device which quickly intercepts gas flow whenever the pressure under monitoring reaches a pre-set limits, or whenever manually required by operator on-site or through a remote command (optional device).

Suitable for use with natural gas and previously filtered non-corrosive gases, it is mainly used for high-pressure transmission systems and for medium pressure gas distribution networks.


  • Design pressure: up to 102 bar
  • Design temperature: from -10 °C to +60 °C
  • Nominal sizes DN: up to 6″
  • Flanges: ANSI 150, 300 and 600 according to ASME B16.5 and PN 16 according to EN 1092
  • End to end dimensions: according to EN 334, EN 14382
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