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ASCO 553 Series Solenoid Spool Valve

Brand: ASCO

The ASCO Series 553, also known as 8553, is a line of 1/2" 3-way and 4-way compact solenoid spool valves that are ideal for controlling air or inert gas in challenging environments.
 
The valves' unique design combines hard T-seals and flexible O-rings that provide bubble-tight shutoff, dirt resistance, and multi-million cycle reliability.
 
The 551 Series comes in anodized aluminum, brass, and stainless steel bodies with 1/2-inch NPT and BSP connections.
 
It is suitable for the harsh conditions found in chemicals, refining, food & beverage applications and life science processing.
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
  • Compatible to Functional safety loop up to SIL 3
  • 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

Specifications

Brand

Valve Actuation

  • Solenoid - Air Pilot

Body Material

  • Stainless Steel, Aluminum, Brass

Media

  • Air, Inert Gas

Pipe / Port Size

  • 1/2"

Port Type

  • G ISO 228 / 1-G BSPP, Female NPT

Function

  • 3-Way - 3/2 Normally Closed, 4-Way - 5/2

Flow

  • From 2.0 Cv to 6.0 Cv, from 1.73 Kv to 5.19 Kv

Voltage

  • 24 AC, 110 AC, 120 AC, 220 AC, 480 AC, 6 DC, 12 DC, 24 DC, 120 DC, 240 DC / 50, 60

Maximum Differential, Maximum Operating Pressure

  • Vacuum to 150 psig

Operating Environment

  • Corrosive, Hazardous, Indoor, Outdoor

Standards & Regulations

  • ATEX Zone 1-21, ATEX Zone 2-22, Class I Div 1, Class II Div 1, IP65, SIL, Type 1, Type 2, Type 3,Type 3S, Type 4, Type 4X, Type 6, Type 6P, Type 7, Type 9, UL

Documentation

Product Manuals

Catalogs

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