Product Description
The Tekmar Controls 721 is a 1 inch brass 4-way mixing valve designed for hydronic heating systems. This valve mixes supply water from a heat source with return water ensuring optimal system performance. It is suitable for both closed loop and open loop systems and features standard female NPT threads.
- Maximum leak through rate of 1%
- Manual valve position adjustment
- Compatible with Actuating Motor 741 for automatic operation
Product Highlights
This mixing valve operates effectively within a temperature range of twenty degrees Fahrenheit to two hundred forty-eight degrees Fahrenheit. It can withstand a maximum operating pressure of one hundred forty-six PSI.
Product Information
Standard Information
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Brand: Tekmar Controls
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MPN: 721
Technical Specifications
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Application: Point of Source, Heating
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Valve Body and Vane Material: CW 617N - EN 12165 Brass
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Temperature Range: 20°F - 248°F
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Maximum Operating Pressure: 146 PSI
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Connection Type: FNPT x FNPT
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Shaft Seal: Viton O ring
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Main Seal: EPDM Peroxide O ring
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Acceptable Fluid Media: Chilled and hot water with antifreeze and anticorrosive compounds (maximum sixty percent)
