EMERSON FLOW CONTROLS (Alco) 20877 O-Ring Seal

Emerson Flow Controls (Alco) 20877 is a precision O-ring seal designed for reliable performance in flow control systems. Engineered to meet tight tolerances, this replacement part helps prevent leaks, preserves system integrity, and maintains consistent pressure across Emerson and Alco equipment.

Part PS-1525, this package includes two O-rings for quick, cost‑effective replacement. Designed for compatibility with Emerson Flow Controls and Alco‑style assemblies, it delivers dependable sealing in demanding environments.

• Reliable seal integrity under varying temperature and pressure conditions
• Includes two O-rings for ready replacement
• Easy drop-in installation with minimal downtime
• Compatible with standard Emerson/Alco fittings and components
• Helps minimize maintenance costs and prevent leaks in critical systems

Ideal for maintenance, repair, and replacement parts in industrial fluid handling, chemical processing, and water treatment applications.