The Asco 8290A384 Solenoid Valve is a pressure-operated, direct-acting angle-body piston valve with a normally closed configuration and flow entering under the disc. The valve offers a flow coefficient (Cv) of 5.7 and features a 1/2″ bronze body. It can handle fluids up to 240 psi and steam up to 150 psi.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 2-Way
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv):
- On/Off: 5.7
- Proportional: 5.3
- Operating Pressure Differential:
- Min: 0 psi
- Max (Fluids): 240 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: Bronze
- Disc Entry: Under the Disc
- Disc Material: Brass
- Disc Seal: PTFE
- Stem Material: 431 Stainless Steel
- Stuffing Box: Brass
- Stuffing Box Seal: PTFE Chevron
- Wiper Seal: FKM
- Operator Size: 50 mm
Key Features and Functionality
- Anti-Water Hammer Design: Under-disc flow ensures smooth closure.
- Dual Bearing Guidance: Stem supported for long-term alignment.
- FKM Wiper Seal: Protects the stem area from grit and scale.
- Position Feedback Capable: Visual/electrical indication optional.
- Durable in Harsh Media: Handles steam, solvents, and slurries reliably.
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 and Beverage Systems: Steam shutoff in hygienic zones.
- Pharmaceutical Skids: SIP/CIP valve actuation and isolation.
- Chemical Processing Units: Controls rinse and solvent lines.
- Textile and Dyeing Plants: Regulates hot condensate flows.
- Industrial Cleaning Equipment: Operates thermal spray nozzles.
Compliance and Approvals
- RoHS Compliant
- FDA CFR21 Compliant, Suffix “FB”
- NET-INOX Surface Treatment, Suffix “NI”
Installation and Operational Notes
- Mount the actuator vertically to ensure condensate drainage.
- Clean and prep piping; avoid excess sealant.
- Flush the entire system to remove installation debris.
- Periodically disassemble the valve to clean seat surfaces.
- Replace the solenoid coil with a matching voltage/wattage.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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