The Asco 8290A031 Solenoid Valve (8290A31) is a two-way, pressure-operated angle-body piston valve engineered for robust flow control in demanding industrial media. Operating with zero pressure differential ensures reliable power even in low-head or draining applications.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 2-Way
- Pipe Size: 1 1/4″ NPT
- Flow Factor (Cv):
- On/Off: 32
- Operating Pressure Differential:
- Min: 0 psi
- Max (Fluids): 240 psi
- Max (Steam): 150 psi
- Maximum Fluid Temperature: 366°F (186°C)
- Air or Water Pilot Pressure:
- Min: VII (Varies)
- Max: 150 psi
- 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: 90 mm
Key Features and Functionality
- Angle Body Design: Provides high flow capacity with minimal pressure drop.
- Direct Acting Piston: Ensures reliable shutoff under challenging conditions.
- Zero Pressure Operation: Allows the valve to function from 0 psi differential.
- Robust Material Options: Available in bronze or stainless steel bodies.
- Media Versatility: Suitable for steam, hot water, and light slurries.
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: Controls steam and hot water in CIP systems effectively.
- Manufacturing & Automation: Used in industrial machinery for coolant or air flow.
- Automotive & Car Wash: Manages hot, dirty water in wash and recycling systems.
- HVAC & Steam: Regulates steam and hot water in heating systems.
- Chemical & Petrochemical: Handles solvents, corrosives, and high-purity fluids.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
Installation and Operational Notes
- Mount the valve actuator vertically and upright for drainage.
- Clean piping thoroughly before installing the valve.
- Use pipe dope sparingly on the third pipe thread only.
- Flush the system after installation to remove debris.
- Disconnect power before replacing the solenoid coil.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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