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 Spool Solenoid Valve
    WT8551A018MS 12/DC ASCO Spool Solenoid Valve
    WT8551A018MS 12/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO Series 8551 Spool Solenoid Valve, 1/4", FPT, 12 VDC, 6.9 W, 30 to 150 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 5/2, 4-Way, Pilot Operated, Dual, In-Line, Manual Operator, Water Tight, Spool Solenoid Valve for Air-Inert Gas/Natural Gas.
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  • ASCO Spool Solenoid Valve
    WT8551A018MS 120/60 110/50 ASCO Spool Solenoid Valve
    WT8551A018MS 120/60 110/50

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO Series 8551 Spool Solenoid Valve, 1/4", FPT, 110 VAC 50 Hz, 120 VAC 60 Hz, 6.3 W, 30 to 150 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 5/2, 4-Way, Pilot Operated, Dual, In-Line, Manual Operator, Water Tight, Spool Solenoid Valve for Air-Inert...
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  • ASCO Spool Solenoid Valve
    WT8551A017MS 12/DC ASCO Spool Solenoid Valve
    WT8551A017MS 12/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO Series 8551 Spool Solenoid Valve, 1/4", FPT, 12 VDC, 6.9 W, 30 to 150 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 5/2, 4-Way, Pilot Operated, Single, In-Line, Manual Operator, Water Tight, Spool Solenoid Valve for Air-Inert Gas/Natural Gas.
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  • ASCO Spool Solenoid Valve
    8551G401 24/DC 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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  • ASCO Spool Solenoid Valve
    EF8551G403 120/60 110/50 ASCO Spool Solenoid Valve
    EF8551G403 120/60 110/50

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat II Series 8551 Spool Solenoid Valve, 1/4", FPT, 110 VAC 50 Hz, 120 VAC 60 Hz, 10.1 W, 30 to 150 PSI, Brass, NEMA 3/3S/4/4X/6/6P/7/9, 3/2, 5/2, Pilot Operated, Single, Spool Solenoid Valve for Air-Inert Gas/Natural Gas.
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  • ASCO Spool Solenoid Valve
    8551G417MS 120/60 110/50 ASCO Spool Solenoid Valve
    8551G417MS 120/60 110/50

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat II Series 8551 Spool Solenoid Valve, 1/4" x 1/4" x 1/4" x 1/4" x 1/4", FPT x FPT x FPT x FPT x FPT, 110 VAC 50 Hz, 120 VAC 60 Hz, 10.1 W, 30 to 145 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 5-Way/2-Position, Pilot Operated, Single,...
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  • ASCO Spool Solenoid Valve
    EF8551G417MO 120/60 110/50 ASCO Spool Solenoid Valve
    EF8551G417MO 120/60 110/50

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO RedHat II Series 8551 Spool Solenoid Valve, 1/4" x 1/4" x 1/4" x 1/4" x 1/4", FPT x FPT x FPT x FPT x FPT, 110 VAC 50 Hz, 120 VAC 60 Hz, 10.1 W, 30 to 145 PSI, Black Anodized Aluminum, NEMA 3/3S/4/4X/6/6P/7/9, 5-Way/2-Position, Pilot Operated,...
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  • ASCO Spool Solenoid Valve
    WT8551A002MS 24/DC ASCO Spool Solenoid Valve
    WT8551A002MS 24/DC

    ASCO Valve

    Product Type: Solenoid Valves

    ASCO Series 8551 Spool Solenoid Valve, 1/4" x 1/4" x 1/4" x 1/4", FPT x FPT x FPT x FPT, 24 VDC, 6.9 W, 30 to 150 PSI, Black Anodized Aluminum, NEMA 1/2/3/3S/4/4X, 4-Way, Pilot Operated, Dual, In-Line, Manual Operator, Water Tight, Spool Solenoid Valve...
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