Distributor of valves, control valves,
actuated valves and valve accessories

+44 (0) 1227 719133 YouTube

TESCOM™ 449-254 Series

  • Manufacturer: TESCOM
  • Valve Type: Tescom Regulators
  • Sub-Type:
  • Exclusively designed to handle the demands of high purity bulk specialty gas delivery systems
  • Its proven design, high outlet capabilities, bubble-tight shutoff valve and standard Hastelloy® trim provides dependability required for demanding regulator applications
  • Metal-to-metal sealed diaphragm
  • Cv = 1.0 with 10 Ra microinch finish on wetted surfaces
  • Meets SEMI F19 and SEMI Modular Interface specifications


449-254 Series high purity, high flow pressure reducing regulators are ideal for high pressure bulk specialty gas delivery systems (BSGS). The 449-254 Series offers a Cv = 1.0, surface finish of 10 Ra and is available with Hastelloy® trim. Inlet pressure is 1500 psig / 103 bar with outlet pressures up to 400 psig / 27.6 bar.


Product Tags


Website design and development by mtstudios of Deal, Kent