The Asco 8290A021 Solenoid Valve (8290A21) is a pressure-operated, normally closed angle-body piston valve for demanding fluid control applications. Its high flow coefficient allows efficient transfer of high-temperature media with minimal pressure drop. It excels in food processing, industrial manufacturing, and steam system applications.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 2-Way
- Pipe Size: 1 1/2″ NPT
- Flow Factor (Cv):
- On/Off: 52
- Proportional: 33
- Operating Pressure Differential:
- Min: 0 psi
- Max (Fluids): 120 psi
- Max (Steam): 120 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
- High Flow Capacity: Delivers exceptional Cv rating for large-volume applications.
- PTFE Disc Seal: Ensures reliable sealing in high-temperature environments.
- Under-Disc Entry Design: Provides positive shutoff with minimal pressure requirements.
- Modular Accessories: Accommodates position indicators and stroke limiters.
- High Temperature Rating: Handles media up to 366°F without performance degradation.
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 in CIP systems and jacketed vessels.
- Manufacturing: Regulates high-volume coolant flow in industrial processes.
- Automotive: Manages hot water in wash and recycling systems.
- HVAC: Controls steam distribution in large commercial boiler systems.
- Chemical Processing: Handles corrosives with precise flow control capabilities.
Compliance and Approvals
- RoHS Compliant
- NEMA Type 4 and Type 4X Enclosures
Installation and Operational Notes
- Mount the valve with the actuator vertical and upright.
- Clean piping before installation to prevent contamination.
- Use pipe sealant sparingly on threads.
- Ensure a minimum 60 psi pilot pressure for operation.
- Disconnect power before servicing coil components.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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