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Asco-P-551

ASCO 551 Series Solenoid Spool Valve

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Product Description

The ASCO Series 551, also known as 8551, is a line of 1/4" 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 ¼-inch NPT and BSP connections. It is suitable for the harsh conditions found in chemicals, refining, food & beverage applications and life science processing.

Products

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1-10 of 18 results for Products
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EF8551A001MMSAC120/60,110/50D
ASCO™ EF8551A001MMSAC120/60,110/50D
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A001MSAC120/60,110/50D
ASCO™ EF8551A001MSAC120/60,110/50D
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A001MSDC24/DCD
ASCO™ EF8551A001MSDC24/DCD
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air, Inert Gas
 Air
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air, Inert Gas
 Air
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A002MSDC24/DCD
ASCO™ EF8551A002MSDC24/DCD
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.7
Media
Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.7
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A017MSAC120/60,110/50D
ASCO™ EF8551A017MSAC120/60,110/50D
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A017MSDC24/DCD
ASCO™ EF8551A017MSDC24/DCD
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A018MSAC120/60,110/50D
ASCO™ EF8551A018MSAC120/60,110/50D
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air, Inert Gas
 Air
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air, Inert Gas
 Air
Same Day
QuickShip
ADD TO WORKSPACE
EF8551A018MSDC24/DCD
ASCO™ EF8551A018MSDC24/DCD
Actuation
Solenoid
Coil Class
FT
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
FT
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
SC8551A001MMSAC120/50-60
ASCO™ SC8551A001MMSAC120/50-60
Actuation
Solenoid
Coil Class
F
Flow (Cv)
0.86
Media
Air, Inert Gas
 Air
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
F
0.86
Air, Inert Gas
 Air
Same Day
QuickShip
ADD TO WORKSPACE
SC8551A001MSDC24/DC
ASCO™ SC8551A001MSDC24/DC
Actuation
Solenoid
Coil Class
F
Flow (Cv)
0.86
Media
Air
 Air, Inert Gas
availability
Same Day
Actuation
Coil Class
Flow (Cv)
Media
availability
Solenoid
F
0.86
Air
 Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
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1-10 of 18 results

Models

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Specifications

Valve Actuation
Solenoid - Air Pilot
Body Material
Brass, Stainless Steel, Aluminum
Media
Air, Inert Gas
Pipe / Port Size
1/4 "
Port Type
G ISO228/1-G BSPP, 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
From 0.5 Cv to 1.0 Cv, From .43 to .86 Kv
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
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, SIL, Type 1, Type 2, Type 3, Type 3S, Type 4, Type 4X, Type 6, Type 6P, Type 7, Type 9
Temperature
-60°C to 80°C

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)

Documents & Drawings