Pool Info: Pool Glossary - Page 10

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Pool Glossary
(cont.)


A I B I Bre I C I Chl I Cya I D I E I F I Flo I G I H I I I

L I M I N I O I P I Q I R I S I Sta I T I U I V I Vol I W I Z

 


VOLUTE: A volute is a curved funnel increasing in area to the discharge port. It is often used with impeller pumps. As the area of the cross-section increases, the volute reduces the speed of the liquid and increases the pressure of the liquid. One of the main purposes of a volute casing is to help balance the hydraulic pressure on the shaft of the pump. However, this occurs best at the manufacturer's recommended capacity. Running volute-style pumps at a lower capacity than the manufacturer recommends can put lateral stress on the shaft of the pump, increasing wear-and-tear on the seals and bearings, and on the shaft itself.

VISION SYSTEM:  The technology which isolates nascent oxygen into a powerful sanitizing tool. See Cationic Sanitation.

VINYL LINER:  One type of interior pool finish. The liner is draped over a sand or cementitious floor, and locked into the top of the pools wall.

 


 

WEIR:  The device in a skimmer that controls the amount of water coming into the skimmer, and keeps debris inside. That "flapper-gate" thing.


 

ZAMBONI:  What you needed during winter '96 to groom your backyard ice rink.

 

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