Product Description

ASCO Series 551 (8551) - compact 1/4" 3 - way & 4 - way solenoid spool valves. Engineered for air or inert gas control in tough settings. Its unique hard T - seals and flexible O - rings ensure bubble - tight shutoff, dirt resistance, and long - lasting reliability. Available in anodized aluminum, brass, and stainless steel bodies with ¼ - inch NPT and BSP connections, it's perfect for harsh chemicals, refining, food & beverage, and life science applications.

Product Features

• 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)

Specifications :

Product Details: