The Asco 8290A045 Solenoid Valve (8290A45) is a normally closed, stainless steel valve designed for compact, high-pressure fluid control. Its 63 mm actuator and Cv of 5.7 support efficient shutoff in steam and rinse circuits. Under-disc flow design helps minimize shock in demanding thermal applications.
Technical Specifications
- Valve Type: Pressure Operated, Normally Closed, 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: 60 psi
- Max: 150 psi
- Maximum Fluid Temperature: 366°F (186°C)
- Construction:
- Body Material: 316L Stainless Steel
- Disc Entry: Under the Disc
- Disc Material: 304L Stainless Steel
- Disc Seal: PTFE
- Stem Material: 431 Stainless Steel
- Stuffing Box: 303 Stainless Steel
- Stuffing Box Seal: PTFE Chevron
- Wiper Seal: FKM
- Operator Size: 63 mm
Key Features and Functionality
- Corrosion-Resistant: 316L stainless body supports aggressive fluids.
- Compact Operator: 63 mm design for space-limited panels.
- Under-disc flow: Reduces fluid shock on closure.
- Steam-Rated Sealing: Handles thermal cycling and condensate.
- Diagnostic Accessory: Supports stroke and signal modules.
Compatible Components and Related Parts
- ASCO 8290 Compact Positioner
- ASCO 8290 Signaling Box
- ASCO 8290 Linear Position Indicator
- ASCO 8290 Stroke Limiter
Industry Applications
- Pharmaceutical Processing: Controls rinse or steam at point-of-use.
- Food & Beverage: Isolates flow in hygienic utility drops.
- HVAC/Steam Systems: Shuts off pressurized condensate lines.
- Compact Manufacturing Skids: Regulates water, solvent, or utility service.
- Chemical Systems: Provides corrosion-resistant cutoff in tight spaces.
Compliance and Approvals
- RoHS Compliant
- Type 4 Enclosure
- Type 4X Enclosure
Installation and Operational Notes
- Always install upright to ensure proper drainage.
- Avoid overtightening and check the pilot pressure range.
- Clean the line before energizing the coil.
- Use a compatible voltage for the actuator coil.
- Service periodically to maintain steam-rated integrity.
Series Catalog
Asco 8290 Angle Body Multi-purpose Valves
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