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Asco-P-551

ASCO™ 551 Solenoid Spool Valve

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Product Description

The ASCO Series 551 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. 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 3,494 results for Products
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55102001
ASCO™ 55102001
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.115/50
ASCO™ 55102005.115/50
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.12/DC
ASCO™ 55102005.12/DC
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.120/60
ASCO™ 55102005.120/60
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.125/DC
ASCO™ 55102005.125/DC
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.230/50-60
ASCO™ 55102005.230/50-60
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.24/50-60
ASCO™ 55102005.24/50-60
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.24/DC
ASCO™ 55102005.24/DC
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.48/50-60
ASCO™ 55102005.48/50-60
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
55102005.48/DC
ASCO™ 55102005.48/DC
Valve Function
3 way - 3/2 Normally Closed
Body Material
Light Alloy
Pipe/Port Size
1/4"
Media
Air, Inert Gas
availability
Same Day
Valve Function
Body Material
Pipe/Port Size
Media
availability
3 way - 3/2 Normally Closed
Light Alloy
1/4"
Air, Inert Gas
Same Day
QuickShip
ADD TO WORKSPACE
1
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1-10 of 3,494 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