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Asco-P-8551G401

ASCO™ 8551G401 Spool Valve

Product Description

ASCO 8551G401 is a line of 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. It is suitable for the harsh conditions found in chemicals, refining, food & beverage applications and life science processing.

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Specifications

Valve Actuation
Solenoid - Pilot Operated
Body Material
Black Anodized Aluminum
Media
Air, Inert Gas
Pipe / Port Size
1/4 "
Port Type
NPTF
Function
3 way - 3/2 Normally Closed, 4 way - 5/2, 4 way - 5/3 - Closed Center, 4 way - 5/3 - Open Center
Flow
.86 Cv
Voltage
24 AC, 110 AC, 120 AC, 220 AC, 480 AC, 6 DC, 12 DC, 24 DC, 120 DC, 240 DC | 50, 60
Max Differential / Max Operating Pressure
Up to 150 psi
Operating Environment
Corrosive, Hazardous, Indoor, Outdoor
Standards / Regulations
ATEX Zone 1-21, ATEX Zone 2-22, Class I Div 1, Class II Div 1, SIL, Type 1, Type 2, Type 3, Type 3S, Type 4, Type 4X, Type 6, Type 6P, Type 7, Type 9
Temperature
-15°C to 60°C

Features

  • Compact spool valve convertible from 3/2 to 5/2 with a single flow plate design (551 Series only)
  • Mount directly to actuators with NAMUR interface per VDI/VDE 3845
  • Single and dual solenoid constructions available
  • Integral breather block vents to spring side of actuator to exhaust, preventing corrosion of the actuator
  • 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 construction available See Special Service Pilot Valve Section for details

Documents & Drawings