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Water

Also further identified by such terms as deionized water, demineralized water, soft water, tap water, hard water, salt water, mine water, sea water, distilled water, hot water, bilge water, fresh water, etc.

Formula: H2O
Sp. Gr.: 1.0
Viscosity: 1 cPs.

Remarks: Water is the most readily available liquid and one of the most difficult to handle, primarily because of its lack of lubrication, corrosive and erosive nature. Adding a small amount of soluble oil or glycol to water changes its properties very materially and makes it much more suitable for handling in a positive displacement pump.

Pump Notes: Construction varies from cast iron to stainless steel. Elastomer recommendation depends on the particular service. Not all pump manufacturers recommends pumps for handling water; check with individual suppliers.