ASCO Series 551 Solenoid Spool Valve

Available in two versions, mounted directly to actuators with NAMUR interface per VDI/VDE 3845 or threaded to mount on the pipe
Valve body in Aluminum, Brass, or Stainless steel 316L
Exhaust ports are pipeable, providing better protection against harsh environments
DIN, watertight, and explosion-proof solenoids are available for use in mission-critical and hazardous areas
Low-power constructions are ideal for remote and alternative power locations
Integral breather block vents to spring side of the actuator to exhaust, preventing corrosion
Single- and dual-solenoid constructions are available that mount in any position
Global Ex approvals; ATEX, IEC EX, NEPSI, CUTR, KOSHA, UL, CSA, InMetro
All ports of NAMUR on the same side for a better water , DUST protection
Available will all Explosion proof solenoids: Ex d, Ex mb, Ex ia/Ib, Ex e mb, NEMA
Available in an arctic version, suitable for use in temperatures as low as -60°C
Compact spool valve convertible from 3/2 to 5/2 with a single flow plate design (551 Series only)

Fisher™ 551