Emerson Alco 028192 Solenoid Valve

The Emerson Alco 028192 is a robust 2-way normally closed solenoid valve engineered for precision fluid control in industrial HVACR systems. Built with a heavy-duty industrial solenoid brass valve body, this 3/4" NPT valve (model 222CB3/4B3/4B) is a pilot-operated solution ideal for high-flow requirements, offering a significant 7.0 Cv flow coefficient. It is designed to handle a wide operational range, managing 0-250 PSI for air and water applications. The forged brass construction features large wrench flats for streamlined installation in tight mechanical rooms. This unit is frequently utilized in commercial plumbing and process cooling where reliable shut-off and high external leakage resistance are critical. For technicians, the 222CB series stands out for its field-serviceable design, with compatible internal repair kits available to extend the service life of the brass body solenoid without requiring full piping disassembly. This valve ensures stable performance under varying pressure differentials in demanding contractor environments.

• High Flow Efficiency: The 7.0 Cv rating ensures minimal pressure drop across the 3/4" orifice for high-demand systems.
• Industrial Durability: Forged brass valve body provides superior structural integrity and corrosion resistance in air and water lines.
• Reliable Normally Closed Logic: Provides a fail-safe internal seal, ensuring the solenoid valve remains closed until the coil is energized.
• Versatile Pressure Range: Effectively operates from 0 to 250 PSI, making it suitable for both low-pressure gravity feeds and high-pressure industrial loops.
• Simplified Maintenance: Designed with standard NPT threading and a configuration that allows for direct coil replacement or internal servicing.

What is the minimum pressure differential required for this valve to open?
As a pilot-operated 222CB series valve, it typically requires a minimum operating pressure differential (MOPD) of 5 PSI to ensure the diaphragm or piston lifts reliably when energized.

Can this valve be used for steam applications?
No, this specific model (028192 / 222CB3/4B3/4B) is rated for air and water. For steam applications up to 400°F, the "T" suffix model (e.g., 222CB3/4B3/4T) with Rulon seating is required.

Does this unit include the electrical coil?
This part number (028192) generally refers to the valve body and internal assembly. Coils (such as the ASC2 series) are typically sold separately to allow for specific voltage matching (e.g., 24V, 120V, or 240V) dictated by the onsite control circuit.

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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.