Solenoid Valve - 3 Way: 3/2 - 4 Way: 5/2, 5/3 - Spool Valve - ASCO Series 551

551
1/4 - Stainless Steel, Air: Inert Gas, Natural Gas

​​​​​​​​

  • Compact spool valve with threaded port connections
  • all exhaust ports are pipable, providing better protection against harsh environments
  • standard manual operated
  • DIN, Watertight and explosionproof solenoids
  • single and dual solenoid constructions available mountable in any position
  • unique design combines hard T-seals and flexible o-rings, provides bubble-tight shutoff, resistance to dirt and multimillion cycle life controlling air or inert gas
  • low power and intrinsically safe constructions available
​​​​