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Sample Shut-off Valve



The Forbes Marshall Slim Trim Valve has been designed to cater to sampling requirements of high pressure supercritical boilers and power plants.
These valves are compact and yet more efficient in terms of effective isolation of high pressure and temperature steam samples. The unique design of these valves helps in ease of maintenance.
Features Benefits Downloads
  • Outside screw and yoke construction
  • Valves provided with back seating arrangement
  • Self-aligning two piece gland
  • Locking arrangement (optional)
  • Meets design requirements of ASME B16.34 / EN 12516 / IBR
  • Socket weld ends conform to ASME B16.11
  • Screwed ends conform to ASME B1.20.1
  • Butt weld ends conform to ASME B 16.25
  • Welded bonnet optional
  • Specially designed die formed graphite packing, controlled clearances
  • between stem, gland and back seat for guaranteed low emissions meet
  • 100 ppm maximum fugitive emission levels.