The Asco 8290A502 Solenoid Valve is a normally open, angle-body valve with a 316L stainless steel construction and large 125 mm actuator. It is engineered for high-throughput thermal and utility line control. Its high Cv of 56 and under-disc flow design enable fail-open performance in venting, rinsing, and washdown operations.
Technical Specifications
- Valve Type: Pressure Operated, Normally Open, 2-Way
- Pipe Size: 1 1/2″ NPT
- Flow Factor (Cv):
- On/Off: 56
- Operating Pressure Differential:
- Min: 0 psi
- Max (Fluids): 240 psi
- Max (Steam): 150 psi
- Air or Water Pilot Pressure:
- Min: Varies
- 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
- Fail-Open Operation: Ensures continuous flow during power or air loss scenarios.
- Corrosion-Resistant Body: 316L stainless steel withstands harsh and aggressive media.
- Under-Disc Flow Design: Minimizes water hammer and stabilizes pressure on closure.
- High Cv Capacity: Enables rapid evacuation in high-volume process lines.
- Accessory Compatibility: Supports position indicators and stroke limiters for advanced control.
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: Opens flow to CIP drain or rinse manifolds.
- Manufacturing: Discharges thermal media from process loops.
- Automotive/Car Wash: Manages rinse bypass with fail-safe logic.
- HVAC/Steam: Opens pass-throughs in heat relief circuits.
- Chemical Processing: Durable option for caustic utility discharge.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
- For Stainless Steel (316) Pilot and Exhaust Port Fittings, add suffix SS
Installation and Operational Notes
- Install the valve in an upright position to ensure optimal actuator function.
- Ensure all piping is clean and free from debris before connection.
- Minimum thread sealant should be applied to NPT fittings to prevent contamination.
- Flush the valve body thoroughly after installation to clear residual particles.
- Always disconnect electrical power before servicing or replacing the coil.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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