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Commercial Pool
Vac-Alert Safety Vacuum Release System
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Vacuum Release System |
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The Vac-alert™ Model VA-2000L is a Safety Vacuum Release System (SVRS) designed for suction lift applications and the Vac-alertTM Model VA-2000S is a Safety Vacuum Release System (SVRS)
designed for submerged suction applications.
By December 19,2008, all public pools and spas, including Hotels, Apartment Complexes, Municipal Pools, Schools, Recreation Centers, Public Pools, Country Clubs, and Swim Clubs, must be compliant with the Virginia Graeme Baker Pool and Spa Safety Act. The Stratum VRS is the quickest option to make your pool compliant.
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The Vac-alert™ Model VA-2000L is a Safety Vacuum Release System (SVRS) designed for suction lift applications. Suction lift in this case applies to all applications where the circulating pump suction is either at or above the level of the pool water surface. This unit incorporates a 0.170” diameter orifice opening installed below the surge tube section. This orifice opening is sized to prevent nuisance tripping of the SVRS unit caused by high vacuum surges typical of many pump start-up conditions.
The Model VA-2000L SVRS unit also utilizes a check valve assembly equipped with a 3.5 pound spring, a poppet disc and a one-way (up only) vented poppet This check valve assembly permits continued water flow to the circulating pump while the SVRS unit is in the open or vented position. The 3.5 pound spring further compressed by the poppet disc, creates enough sealing force within the check valve to allow partial water flow to the circulating pump for suction lifts up to 3.5 feet. This is critical to the elimination of circulating pump damage that can be caused by a sustained dry-running condition. The one-way vented poppet allows the surge chamber to be internally recharged when the circulating pump is turned off.
The Vac-alert™ Model VA-2000S is a Safety Vacuum Release System (SVRS) designed for submerged suction applications. Submerged suction in this case applies to all applications where the circulating pump suction is below the level of the pool water surface. This unit incorporates a 0.375” diameter orifice opening installed below the surge tube section. This orifice opening is sized to provide a limited amount of pump start-up surge protection, while at the same time allowing enough air into the piping system to insure dissipation of the dynamic suction force caused by the circulating pump.
The Model VA-2000S SVRS unit also utilizes a check valve assembly equipped with a 0.25 pound spring and a non-vented poppet (no poppet disc or hole through the poppet). This check valve assembly utilizes a light duty spring to minimize the sealing force of the check valve. The non-vented poppet insures that water from the circulating system, under a positive hydrostatic head condition, does not migrate up into the SVRS |
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By December 19,2008, all public pools and spas, including Hotels, Apartment Complexes, Municipal Pools, Schools, Recreation Centers, Public Pools, Country Clubs, and Swim Clubs, must be compliant with the Virginia Graeme Baker Pool and Spa Safety Act. The Stratum VRS is the quickest option to make your pool compliant. |
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