The ASCO WT8551A001MS is a direct-mount inline spool solenoid valve designed primarily for controlling air or inert gas service. Part of the high-reliability ASCO 551 Series, it features a unique design combining hard T-seals and flexible O-rings to ensure bubble-tight shutoff and multi-million cycle reliability.
Core Technical Specifications
- Valve Configuration: Configurable 3-way (normally closed) or 4-way operation using included flow plates.
- Body Material: Rugged black anodized aluminum.
- Connection / Pipe Size: 1/4-inch NPT female ports.
- Flow Coefficient C_v: 0.86.
- Pressure Range: 30 to 150 PSI (minimum 30 PSI operating pressure differential required).
- Mounting Style: NAMUR mount or inline configuration, mountable in any position.
- Enclosure / Coils: WT prefix designates a watertight enclosure rating (NEMA 1, 2, 3, 3S, 4, and 4X) suitable for indoor, outdoor, or corrosive environments.
- Manual Operator: Features a standard built-in manual operator for testing or power outages