ASCO™ Valve Series 8551 3-Way And 4-Way Compact Solenoid Spool Valves

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.

Series 8551

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  • ASCO WT8551 NAMUR 3-Way/4-Way Direct Mount Solenoid Valve
    WT8551A001MS 120/60 110/50

    ASCO Valve

    Product Type: Spool Valves

    Max. Pressure: 150 psig

    ASCO 3/2 5/2 Series 8551 Watertight Pilot Operated Direct NAMUR Mount Inline Spool Valve, 4-way, single solenoid, Alum body, 1/4FPT x 1/4in orifice, 0.86 Cv, NBR & PUR, 30-150psid max@140 F, 6.3W, coil class F. No Rebuild Kit
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  • ASCO WT8551A001MS 24/DC Spool Valve ASCO WT8551A001MS 24/DC Spool Valve
    WT8551A001MS 24/DC

    ASCO Valve

    Product Type: Spool Valves

    Max. Pressure: 150 psig

    ASCO 3/2 5/2 Series 8551 Watertight Pilot Operated Direct NAMUR Mount Inline Spool Valve, 4-way, single solenoid, Alum body, 1/4FPT x 1/4in orifice, 0.86 Cv, NBR & PUR, 30-150psid max@77 F, 6.9W, coil class F. No Rebuild Kit
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  • ASCO Low Power Solenoid Valve
    EF8551G301MO 24/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat Series 8551 Low Power Solenoid Valve, 1/4", FPT, 24 VDC, 1.4 W, 30 to 150 PSI, Aluminum, NEMA 3/3S/4/4X/6/6P/7/9, 3/2, 5/2, Single, Manual/Momentary Operator, Low Power Solenoid Valve for Air-Inert Gas/Natural Gas.
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  • ASCO Low Power Solenoid Valve
    8551H301MO 24/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat Series 8551 Low Power Solenoid Valve, 1/4", FPT, 24 VDC, 0.55 W, 35 to 130 PSI, Aluminum, NEMA 1/2/3/3S/4/4X, 3/2, 5/2, Single, Manual/Momentary Operator, Low Power Solenoid Valve for Air-Inert Gas/Natural Gas.
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  • ASCO EF8551 NAMUR 3-Way/4-Way Direct Mount Solenoid Valve
    EF8551A001MS 120/60 110/50

    ASCO Valve

    Product Type: Spool Valves

    Max. Pressure: 150 psig

    ASCO 3/2 5/2 Series 8551 Explosionproof Pilot Operated Direct NAMUR Mount Inline Spool Valve, 4-way, single solenoid, Alum body, 1/4FPT x 1/4in orifice, 0.86 Cv, NBR & PUR, 30-150psid max@104 F, 6.3W, coil class F. No Rebuild Kit
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  • ASCO EF8551 NAMUR 3-Way/4-Way Direct Mount Solenoid Valve
    EF8551A001MS 24/DC

    ASCO Valve

    Product Type: Spool Valves

    Max. Pressure: 150 psig

    ASCO 3/2 5/2 Series 8551 Explosionproof Pilot Operated Direct NAMUR Mount Inline Spool Valve, 4-way, single solenoid, Alum body, 1/4FPT x 1/4in orifice, 0.86 Cv, NBR & PUR, 30-150psid max@77 F, 6.9W, coil class F. No Rebuild Kit
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  • ASCO Spool Solenoid Valve
    HT8551G409 220/50

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat II Series 8551 Spool Solenoid Valve, 1/4", FPT, 220 VAC 50 Hz, 10.1 W, 30 to 150 PSI, 316L Stainless Steel, NEMA 3/3S/4/4X/6/6P/7/9, 3/2, 5/2, Pilot Operated, Single, Spool Solenoid Valve with High Temperature Leaded Coil for Air-Inert...
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  • ASCO Spool Solenoid Valve
    8551G401 24/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat II Series 8551 Spool Solenoid Valve, 1/4", FPT, 24 VDC, 11.6 W, 30 to 120 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 3/2, 5/2, Pilot Operated, Single, High Flow, Spool Solenoid Valve for Air-Inert Gas/Natural Gas.
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