1/4" 3 Way And 4 Way Compact Solenoid Spool Valves Asco Series 551 Line

Brand Name : ASCO

Model Number : ASCO Series 551

Place of Origin : china

MOQ : 2

Price : $650

Payment Terms : T/T

Supply Ability : >10

Valve Actuation : Solenoid - Air Pilot

Body Material : Brass, Stainless Steel, Aluminum

Size : 1/4 "

Media : Air, Inert Gas

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

Operating Environmentn : 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

Max Differential / Max Operating Pressurel : Vacuum to 150 PSIG

Temperature : -60°C to 80°C

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Product Description

ASCO Series 551 (8551) - compact 1/4" 3 - way & 4 - way solenoid spool valves. Engineered for air or inert gas control in tough settings. Its unique hard T - seals and flexible O - rings ensure bubble - tight shutoff, dirt resistance, and long - lasting reliability. Available in anodized aluminum, brass, and stainless steel bodies with ¼ - inch NPT and BSP connections, it's perfect for harsh chemicals, refining, food & beverage, and life science applications.

Product 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)

Specifications :

Valve Actuation	Solenoid - air pilot
Body Material	Brass, stainless steel, aluminum
Media	Air, inert gas
Pipe / Port Size	1/4"
Port Type	G ISO 228/1 - 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 0.43 to 0.86 kv
Voltage	24 ac, 110 ac, 120 ac, 220 ac, 480 ac, 6 dc, 12 dc, 24 dc, 120 dc, 240 dc, 50/60 Hz
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

Product Details:

1/4" 3 Way Solenoid Spool Valves

1/4" 3 Way And 4 Way Compact Solenoid Spool Valves Asco Series 551 Line Images

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