Armstrong Fluid Technology 805188-111 Flange Kit

The Armstrong Fluid Technology 805188-111 Flange Kit is a professional-grade solution designed for seamless integration into high-performance hydronic and HVAC systems. This 3-inch cast iron flange kit serves as the direct, modernized replacement for the legacy 105188-011 model, ensuring long-term reliability and leak-free operation. Engineered specifically for circulating pump installation, this kit is compatible with Armstrong Series E.2 pumps, including models E28, E29, E30, and E33, as well as S-45 and H-32 BF units. The robust cast iron construction provides exceptional structural integrity under the thermal stresses of fluid transfer. Each kit is a comprehensive circulator pump hardware package, typically including two flanges, high-quality gaskets, and all necessary mounting bolts to facilitate a rapid, secure connection. By utilizing this genuine HVAC flange replacement, technicians can maintain system efficiency while ensuring a precise fit that matches original manufacturer specifications for 3.0" pipe sizing.

• Maximum Compatibility: Engineered as a precise direct replacement for 105188-011, fitting a wide range of popular Armstrong pump series.
• Durable Construction: Heavy-duty cast iron material provides superior strength and resistance to vibration in industrial settings.
• Comprehensive Kit: Includes the 3" CI flange, gaskets, and hardware needed for a complete, professional installation.
• Optimized Sealing: High-performance gaskets ensure a tight, leak-free connection that maintains system pressure and efficiency.

Common Questions

Is this kit compatible with other pump brands like Bell & Gossett?
Yes, this 3-inch cast iron flange kit is often used as a cross-compatible alternative for certain Bell & Gossett hardware sets, though you should always verify specific bore and bolt-hole alignments for your pump model.

What is included in the 805188-111 hardware set?
The package is a full circulator pump hardware solution, containing two cast iron flanges, two flange gaskets, and the required nuts and bolts for a standard two-bolt or four-bolt 3" pipe configuration.

How do I know if I need a 3-inch cast iron flange kit?
If you are installing or servicing an Armstrong Series E or S-45 pump with a 3" pipe diameter, this kit provides the necessary specialized cast iron construction required for those higher-capacity fluid systems.

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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