The Asco 8290A391 Solenoid Valve is a pressure-operated, direct-acting angle-body piston valve optimized for rapid-cycling steam applications. Its robust design and high-temperature capabilities make it well-suited for demanding steam systems. It is frequently used in food and beverage sterilization, HVAC steam distribution, and industrial autoclaves.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 2-Way
- Pipe Size: 3/4″ NPT
- Flow Factor (Cv):
- On/Off: 11
- Operating Pressure Differential:
- Min: 0 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: Above 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-Temperature Capability: Ensures reliable operation in demanding steam systems.
- Anti-Water Hammer: Under-disc flow path provides gradual closure.
- Position Indication: Optional visual indication for monitoring valve status.
- FKM Wiper Seal: Keeps grit away from the stem area.
- Spring-Loaded Seal: Ensures long-term sealing reliability.
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 sterilization and cooking processes.
- HVAC & Steam Systems: Manages steam distribution in heating systems.
- Industrial Autoclaves: Regulates steam pressure and temperature for sterilization.
- Power Generation: Used in steam turbines and boiler systems.
- Pharmaceutical: Controls steam for sterilization and cleaning.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
Installation and Operational Notes
- Install the actuator in the upright position.
- Thoroughly clean the piping before installation.
- Flush the system to remove any debris.
- Regularly inspect and clean the internal parts.
- Always disconnect the power before replacing the coil.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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