ASCO 8210G9 Solenoid Valve

The ASCO 8210G9 Solenoid Valve is a 2-way normally closed, pilot-operated general service valve engineered for high-flow reliability in HVACR and industrial water control systems. This 3/4" NPT brass-body unit features a 5 Cv flow coefficient, making it a staple for contractors managing air, water, and light oil media. Designed for 120Vac operation, this ASCO RedHat II valve utilizes NBR (Nitrile) seals to ensure tight shut-off and low internal leakage across an operating pressure differential of 5 to 125 PSI. Its NEMA 4X enclosure provides superior protection in watertight and washdown environments, while the Class F coil insulation supports a maximum fluid temperature of 180°F. Whether you are servicing industrial air compressors, laundry equipment, or pump systems, the 8210G9 offers the pilot-operated performance required for consistent cycle life and fluid compatibility.

• High Flow Capacity: The 5 Cv rating handles significant volume with minimal pressure drop for efficient system operation.
• Rugged Construction: Forged brass body and 305 stainless steel core tube provide durability in demanding general purpose applications.
• Resilient Sealing: Standard NBR seals offer excellent compatibility with air, inert gas, water, and light oils.
• NEMA 4X Protection: The RedHat II solenoid housing is rated for watertight and corrosion-resistant service.
• Versatile Mounting: Can be mounted in any orientation, though vertical/upright is recommended to prevent sediment buildup.

• What is the minimum pressure required for operation? As a pilot-operated valve, the 8210G9 requires a minimum differential pressure of 5 PSI to shift the diaphragm.
• Is this valve compatible with DC power? This specific model is wound for 120V/60Hz AC. Interchanging AC and DC coils without checking the specific housing compatibility is not recommended as it affects the magnetic pull and heat dissipation.
• How do I resolve a buzzing or chattering sound? Buzzing is often caused by debris in the core tube or a damaged shading coil. Ensure the media is filtered and the voltage is within ±10% of the nameplate rating.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.

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