{"product_id":"asco-wt8551a001ms-series-8551-watertight-namur-pilot-operated-solenoid-spool-valve-120-vac","title":"ASCO WT8551A001MS Series 8551 Watertight NAMUR Pilot-Operated Solenoid Spool Valve 120 VAC","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe ASCO WT8551A001MS is a Series 8551 direct-mount pneumatic solenoid spool valve designed for reliable directional control of air and inert gas in industrial automation systems. This watertight, single-solenoid valve operates on 120 VAC (110 VAC, 50 Hz) and features a compact aluminum body with a NAMUR mounting interface for direct installation on pneumatic actuators. The ASCO WT8551A001MS is commonly used in valve automation, chemical processing, refining, food and beverage production, and general process control applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eValves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWT8551A001MS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolenoid Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8551\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePilot-Operated Solenoid Spool Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConvertible 3-Way\/2-Position, 4-Way, 5-Way\/2-Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNAMUR Direct Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBody Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAnodized Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 Inch NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrifice Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFlow Coefficient (Cv)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Media\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAir, Inert Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30–150 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoil Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC 60 Hz \/ 110 VAC 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWatertight, NEMA 1, 2, 3, 3S, 4, 4X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Fluid Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140°F (60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18-Inch Leads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About WT8551A001MS\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe WT8551A001MS is part of the ASCO Series 8551 family of pilot-operated spool valves developed for pneumatic actuator control in demanding industrial environments. Its watertight enclosure provides NEMA Type 1, 2, 3, 3S, 4, and 4X protection, making it suitable for indoor and outdoor installations exposed to moisture and washdown conditions. The valve features a compact anodized aluminum body, 1\/4-inch NPT ports, and a convertible spool that supports multiple directional control functions depending on the application. With NAMUR direct mounting, manual override capability, and compatibility with air and inert gas, it integrates easily into automated valve and process control systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eSeries 8551 Design: Engineered for compact pneumatic directional control applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eWatertight Enclosure: Provides NEMA Types 1, 2, 3, 3S, 4, and 4X environmental protection.\u003c\/li\u003e\n\u003cli\u003eNAMUR Mounting: Allows direct installation on quarter-turn pneumatic actuators.\u003c\/li\u003e\n\u003cli\u003eConvertible Valve Function: Supports 3-way\/2-position, 4-way, and 5-way\/2-position configurations.\u003c\/li\u003e\n\u003cli\u003ePilot-Operated Spool: Combines reliable shifting with long operating life.\u003c\/li\u003e\n\u003cli\u003eAluminum Valve Body: Offers lightweight construction with corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e120 VAC Operation: Designed for 120 VAC 60 Hz and 110 VAC 50 Hz power supplies.\u003c\/li\u003e\n\u003cli\u003eManual Override: Enables manual valve operation during commissioning or maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe WT8551A001MS delivers the reliability and precision required for pneumatic actuator control and industrial automation systems.\u003c\/p\u003e","brand":"ASCO","offers":[{"title":"Default Title","offer_id":52429859815722,"sku":"WT8551A001MS","price":239.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_192b553c-2590-46b3-899a-abf9744c16e7.webp?v=1788025178","url":"https:\/\/iqelectro.com\/products\/asco-wt8551a001ms-series-8551-watertight-namur-pilot-operated-solenoid-spool-valve-120-vac","provider":"IQElectro","version":"1.0","type":"link"}