Emerson Alco 064282 Solenoid Valve

The Emerson Alco 064282, known as the 200RB7T7 refrigeration solenoid valve, is a high-capacity pilot-operated solution designed specifically for liquid, discharge, or suction gas service. This normally closed 2-way valve features robust 7/8" ODF sweat connections with copper extended ends, allowing for rapid installation without the need for internal disassembly during the brazing process. As a core component for large-scale systems, it delivers a nominal liquid capacity of 17 tons for R-22 and 12.7 tons for R-134a, ensuring reliable flow control under demanding conditions. The 200RB series utilizes a a single-coil family to simplify truck stock, while the internal PTFE O-ring and long-life molded coils provide a superior external seal and durability against maximum fluid temperatures up to 250°F. With a Maximum Operating Pressure Differential (MOPD) of 300 psig and a 500 PSIG working pressure rating, this valve is a standard choice for contractors maintaining refrigeration and air conditioning performance.

• Optimized Flow Capacity: High tonnage ratings for multiple refrigerants including R-22 and R-134a systems.
• Contractor-Friendly Installation: Extended 7/8" ODF sweat connections allow for direct brazing without heat damage to internal components.
• Simplified Maintenance: Part of a single-coil family, reducing the need for multiple coil SKUs in the field.
• Enhanced Sealing: Integrated PTFE O-rings provide a reliable external seal, minimizing environmental leak risks.
• High Temperature Resilience: Rated for fluid temperatures up to 250°F, suitable for hot gas discharge lines.

• Does this valve come with the solenoid coil? Most Emerson 200RB valve bodies (VLC - Valve Less Coil) are sold separately from the coil to allow technicians to select the specific voltage (120V, 240V, etc.) required for the job.
• Can the 200RB7T7 be used in bi-flow applications? While some 200RB models are bi-flow compatible, the 7 and 9 orifice sizes are generally unidirectional unless specified otherwise by factory assembly or specialized kits.
• What is the minimum pressure drop required? As a pilot-operated valve, a minimum opening pressure drop (typically around 2 psi) is required to lift the diaphragm and ensure full flow.

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.