ASCO 401 Solenoid Valves – Pilot Operated Slide Valve (4 Way)

ASCO 401 solenoid valves are part of the ASCO Red Hat range of valves.

CategoryProcess Instrumentation
  • Quoted to your quantity
  • Documentation on request
  • International delivery

Product Overview

ASCO 401 solenoid valves are part of the ASCO Red Hat range of valves.

  • Manufacturer : ASCO
  • Product : Solenoid Valve
  • Type : Pilot operated
  • Series : ASCO 401
  • Valve Body : Aluminum
  • Valve Voltage : 12, 24 VDC +10%, -5%
  • Flow Control Media : Air: Inert Gas
  • Valve Function : 4 Way: 5/2

Asco 401 Solenoid Valves – Features

    • Unique sliding, sealing member
    • Optional flow control regulates cylinder speed in either direction
    • Dual solenoid versions hold last position, even after loss of electric power
    • Dual solenoid operation: solenoid may be energized momentarily (1/10 second) or continuously
    • Air/inert gas service only
    • Durable and “non-sticking” sealing method
    • Standard manual operator both momentary and maintained
    • CSA certified and meets CE directives

Hazardous Area LOCATIONS Certification

ASCO 401 valves are CSA certified – available with explosion-proof solenoid enclosure and also UL listed for fire protection systems. CSA certified solenoid valve.

ASCO SOLENOID VALVES – HAZARDOUS AREA LOCATIONS, safety & standards

ASCO solenoid valves (2-way, 3-way and 4-way type including NAMUR interfaces) control the critical flow of air, gas, water, oil and steam across all industries – hazardous area solenoid valves are available for Division and Zone classifications.

Class I, Division 2 and Zone 1/Zone 2 approved solenoid valves according to ATEX, IECEx, FM, CSA and UL are available. Flameproof and explosion-proof valves can be specified for potentially explosive atmospheres where there is a presence of flammable liquids, gases or vapours.

ASCO valves improve reliability and performance of safety systems according to IEC 61508, IEC 61511 and Safety Integrity Levels (SIL) – ASCO spool valves with SIL 4 capability are SAEL listed as assessed by Exida and TÜV.

Technical Specifications

CategoryProcess Instrumentation
Valve Parts in Contact with Fluids
Main Valve Body, Sub- and Manifold Base, End CapsAluminum
Pilot Valve BodyMolded CA
End CapsStainless Steel (non-metering) Molded CA (metering)
SealsNBR (Carboxylated Nitrile)
SpoolMolded Delrin
SlideMolded Delrin
Flow PlateCeramic (alumina)
Core Tube305 Stainless Steel
Core and Plugnut430F Stainless Steel
Core and Plugnut302 Stainless Steel

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