The Asco 8290A498 Solenoid Valve is a stainless steel, pressure-operated angle-body valve suited for high-capacity thermal and fluid transfer operations. It delivers robust performance for steam, hot water, solvents, and slurries, while supporting proportional flow control and gradual closure through its anti-water hammer design.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 2-Way
- Pipe Size: 2″ NPT
- Flow Factor (Cv):
- On/Off: 77
- Proportional: 77
- Operating Pressure Differential:
- Min: 0 psi
- Max (Fluids): 150 psi
- Max (Steam): 150 psi
- Air or Water Pilot Pressure:
- Min: 60 psi
- Max: 150 psi
- Maximum Fluid Temperature: 366°F (186°C)
- Construction:
- Body Material: 316L Stainless Steel
- Disc Entry: Under the Disc
- Disc Material: 304L Stainless Steel
- Disc Seal: PTFE
- Stem Material: 431 Stainless Steel
- Stuffing Box: 303 Stainless Steel
- Stuffing Box Seal: PTFE Chevron
- Wiper Seal: FKM
- Operator Size: 125 mm
Key Features and Functionality
- Corrosion-Resistant Design: 316L stainless body for aggressive service.
- High Cv Discharge: Maintains flow rate under load conditions.
- Controlled Valve Closure: Under-disc path reduces hammering.
- Sealing System Integrity: Spring-loaded stem and PTFE seat.
- Feedback Compatible: Accepts position indicators and limiters.
Compatible Components and Related Parts
- ASCO 8290 Compact Positioner
- ASCO 8290 Signaling Box
- ASCO 8290 Linear Position Indicator
- ASCO 8290 Stroke Limiter
Industry Applications
- Food & Beverage: Directs high-temp utilities in washdown circuits.
- Manufacturing: Supports rapid shutoff for heated processing lines.
- Automotive/Car Wash: Manages high-flow rinse loops with grit-blocking seals.
- HVAC/Steam Systems: Regulates steam in thermal zone valves.
- Chemical Processing: Corrosion-proof option for reactive media delivery.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
Installation and Operational Notes
- Position the actuator vertically for proper drainage.
- Minimize sealant use when threading the valve into the line.
- Flush lines after installation to eliminate debris buildup.
- Periodically clean valve internals to preserve seat life.
- Disconnect the power and match the coil voltage before replacing it.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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