The Asco 8290A490 Solenoid Valve offers durable fluid handling for steam, hot water, solvents, and light slurries in demanding, normally open applications. It features a water-tight fiber composite actuator with dual O-ring protection, grit-blocking FKM wiper seal, and a straight-through body for efficient flow.
Technical Specifications
- Valve Type: Pressure Operated, Normally Open, 2-Way
- Pipe Size: 2″ NPT
- Flow Factor (Cv):
- On/Off: 77
- Proportional: –
- 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: 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: 125 mm
Key Features and Functionality
- Fail-Open Design: Provides continuous flow during power loss.
- High Cv Throughput: Supports large-volume discharge capacity.
- Smooth Closure Profile: Under-disc design minimizes shock.
- Media Compatibility: Handles steam, water, and slurries effectively.
- Maintenance Accessory Support: Accepts stroke limiter and position indicators.
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: Fail-open drain for CIP and sterilization lines.
- Manufacturing: Vents cooling water from process equipment.
- Automotive/Car Wash: Controls rinse bypass in high-flow loops.
- HVAC/Steam: Protects heating zones with passive pressure relief.
- Chemical Processing: Drains and flushes hot process media lines.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
Installation and Operational Notes
- Install the valve upright to optimize actuator performance.
- Ensure piping is free of scale and debris.
- Flush system to protect the sealing surfaces and seat.
- Periodically inspect for wear from steam or slurries.
- Use the correct coil type for electrical compatibility.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
We ship this product worldwide! Delivery is normally stock.
Request a Quote now or call us at 1-800-755-2883 for expert assistance.