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Armstrong 572018-004 Diaphragm Expansion Tank 90

Armstrong 572018-004 Diaphragm Expansion Tank 90

Brand: Armstrong SKU: 572018-004
Regular price $552.95 USD
Regular price Sale price $552.95 USD
Sale Out of Stock - Call to Order
Ships Direct from Distribution β€” Dispatches in 24–48 Hrs
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Performance ParameterEngineering Baseline Value
Manufacturer Part Number (MPN)572018-004
Model DesignationExpansion Tank 90

Efficiently manage thermal expansion in your hydronic heating or cooling loop with the Armstrong 572018-004 diaphragm expansion tank. This high-quality component is engineered to provide reliable storage for increased fluid volume during temperature cycles, ensuring your system maintains optimal charge pressure without the need for constant water make-up.

The unit utilizes a flexible internal diaphragm to isolate the system fluid from the air cushion. As the fluid temperature rises and expands, the diaphragm flexes against the pressurized air pocket, absorbing the excess volume and preventing nuisance activation of pressure relief valves. This maintenance of stable pressure prolongs the lifespan of system components by preventing frequent cycling and excessive strain.

Key System Performance Baselines:

  • Pressure Regulation: Maintains consistent charge pressure to prevent relief valve discharge.
  • Fluid Management: Absorbs expanded volume during heating cycles to prevent system over-pressurization.
  • Air Separation: Provides an effective barrier between system fluid and the air pre-charge for long-term stability.

⚠️ Application Profile: Ideal for commercial and residential hydronic heating systems, radiant floor loops, and chilled water circuits requiring precise pressure control.

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