Armstrong Fluid Technology 105210-011 Flange

The Armstrong Fluid Technology 105210-011 is a high-performance 2 inch Cast Iron Flange engineered for seamless integration into hydronic heating and cooling systems. Specifically designed as a companion flange for the Armstrong S-35 circulator pump, this heavy-duty component ensures a secure, leak-proof connection between your pump and the piping network. Utilizing a standard 2 inch NPT connection, it provides the structural integrity required for high-pressure fluid flow applications. The cast iron companion flange features a 4.88-inch diameter and a precise 0.56-inch bolt hole diameter, facilitating rapid alignment and installation for HVAC professionals. By choosing this genuine Armstrong pump part, you ensure optimal flow dynamics and long-term system reliability in residential or commercial settings. This robust HVAC replacement flange is the preferred choice for maintaining the peak performance of your Series S pumping equipment while minimizing downtime and maintenance overhead.

• Precision Compatibility: Exact fit for Armstrong S-35 Model Circulator Pumps and Series S equipment.
• Durable Construction: High-grade cast iron material offers superior resistance to thermal expansion and mechanical stress.
• Standardized Threading: Features a 2 inch NPT female pipe thread for universal compatibility with standard piping.
• Optimized Flow: Engineered to minimize turbulence and maintain efficient fluid-flow at the pump connection.

• What size bolts are required for the Armstrong 105210-011? This flange features 0.56-inch bolt holes. It is recommended to use 1/2-inch mounting hardware for a standard and secure fit.
• Is this flange compatible with other pump brands? While designed specifically for the Armstrong S-35 series, it can be used with any pump or valve that matches its 4.88-inch outer diameter and 2-inch NPT specification.
• Does this include the gasket and hardware? This part number is for the individual cast iron flange. Gaskets and bolt sets are typically sold separately or as part of a complete flange kit.

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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