The Asco 8290A387 Solenoid Valve is a pressure-operated, normally open, direct-acting angle-body piston valve with entry under the disc. It features a high Cv rating of 5.7 for optimal fluid throughput under demanding conditions. Commonly used in steam headers, hot-water CIP manifolds, and thermal fluid distribution in food processing, pharmaceutical, and chemical manufacturing.
Technical Specifications
- Valve Type: Pressure Operated, Normally Open, 2-Way
- Pipe Size: 1/2″ NPT
- Flow Factor (Cv):
- On/Off: 5.7
- 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: 50 mm
Key Features and Functionality
- Proven Durability: Reliable performance handling aggressive fluids.
- Position Indicator: Optional proportional control for precise modulation.
- Dual Bearing Guidance: Oversized bearings ensure stable stem movement.
- Spring-loaded Seal: FKM wiper prevents grit contamination efficiently.
- Anti-water Hammer: Eliminates pipe shocks by controlling flow velocity.
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 Processing: CIP hot-water rinse control systems.
- Chemical Manufacturing: Steam distribution branch isolation.
- Pharmaceutical Facilities: Clean steam and purified water distribution.
- Pulp and Paper: Reliable fluid control in heated manifolds.
Compliance and Approvals
- RoHS Compliant
- NEMA Type 4 (Watertight)
- NEMA Type 4X (Corrosion-Resistant)
Installation and Operational Notes
- Install the valve upright to optimize actuator performance.
- Ensure piping is free of scale and debris.
- A flush system is used 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
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