valves oil and gas

The S4000 valves are three-way changeover valves. These valves have been designed for the assembling of two safety valves, one for the continuous operation, the other for spare, excluded from the "stand-by" operation. The changeover S4000 valves have been assembled with inlet to the safety valves, if necessary, it is also possible to fix the changeover with the outlet from the safety valves connecting it to the interlocked inlet. The S4000 valves are designed and manufactured in conformity with PED 97/23/EC cat. I, II, III and ATEX 94/9/EC II - 2G.


  • Three-way valve
  • Changeover
  • Suitable for liquids, gases and steam
  • Stem / guided disc in two points
  • Flanged connections
  • Max. rating ANSI 2500 (PN.400)
  • ASME B 16.34
  • PED 97/23/CE cat. I,II,III
  • ATEX 94/9/CE II – 2G

Options:

  • Manual control with gear
  • Pneumatic control
  • Electric control
  • Limit Switch
  • Bellow
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