ASCO 398 Series Pressure-Operated Valves

Brand: ASCO

The ASCO Series 398 line, also known as 8398, of pressure-operated process valves is designed for severe and challenging environments across a broad range of industries.

The high flow-rate valves are engineered for long service lives and are highly resistant to thermal shock and corrosive environments.
  • Compact actuator for small, space-saving applications
  • Stainless steel construction withstands corrosive environments
  • Autoclavable operation
  • Large range of options



Body Material

  • Stainless Steel


  • 3-Way - 3/2 Normally Closed, 3-Way - 3/2 Normally Open


  • Air, Inert Gas, Hot Water, Light Oil, Water, Steam

Pipe / Port Size

  • 1/2, 3/4, 1, 1-1/4, 1-1/2, 2
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