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Flex Flange
Brand: Armstrong Fluid TechnologyArmstrong Flex Flange is a rotating flange designed to allow maximum installation flexibility regardless of pump flange orientation. Flex Flange units are available with a spring check valve to prevent the heating medium flowing in the wrong direction in the event of gravity circulation.
The Flex Flange integrates a 2-bolt flange connection (common to small circulating pumps) with a full-port ball valve. This practical "all-in-one" design reduces the number of plumbing connections and results in a more reliable and easily-serviced hydronic system.
Features- Dielectric sleeve prevents galvanic corrosion
- NPT and sweat connections
- 1/4 turn open/close lever-style handle
- Dual Buna N O-ring seals prevent stem leaks
- Corrosion-resistant brass body and flange
- Slotted flange bolt holes
- Rotating flange is faster and easier to install
- Includes mounting nuts and bolts
Specifications
Materials
- Brass (Valve & Stem)
- Cast Iron/Chromate (Flange)
- Chrome-Plated Brass (Ball)
- Buna-N (Stem O-Rings)
- PTFE (Seat)
Performance Range
- Maximum working Pressure: 150 psig (10.3 bar)
Temperature
- Maximum Operating temp: 250° F (121° C)
Size
- 0.5 - 1.5 inches
- Flex Flanges are used in pairs to connect circulating pumps in hydronic systems. Armstrong Flex Flanges rapidly isolate a circulator for service, and eliminate the need to drain and refill the entire system.