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You are here: Home / Explanatory Dictionary / Rated Pressure Drop

Rated Pressure Drop

the pressure drop of water softener or filter at the rated service flow, with clean water at a temperature of 60degrees. with a freshly regenerated and/or backwashed softener or filter, as determined under standard test conditions.

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Water Quality Specialists

Definitioner

Rated Service Flow
the manufacturer's specified maximum flow rate at which a water softener will deliver soft water, or a filter will deliver quality water as specified for its type, as determined under standard test conditions. A manufacturer may also specify a minimum flow rate or a range of service flows.
Pressure Drop
a decrease in water pressure during flow due to internal friction between molecules of water, and external friction due to irregularities or toughness in surfaces past which the water flows.
Filter
specifically, a device or system for the removal of solid particles(suspended solids); in general, includes mechanical, adsorptive, oxidizing, and neutralizing filters.